2026 June 09, 20:15:57 UT Orbital elements: P/1999 RO28 = P/2025 N3 (LONEOS) Epoch 2025 Nov. 1.0 TT = JDT 2460980.5 T 2025 Nov. 5.00654 TT Sato q 1.1217908 (2000.0) P Q n 0.15544903 Peri. 232.19776 +0.98256680 -0.16305841 a 3.4256583 Node 136.97785 +0.18287978 +0.93411666 e 0.6725328 Incl. 7.52068 -0.03342864 +0.31755002 P 6.34 From 119 observations 1999 Sept. 7-2025 July 20, mean residual 0".71. Epoch 2019 July 16.0 TT = JDT 2458680.5 T 2019 June 30.89107 TT Sato q 1.1233569 (2000.0) P Q n 0.15535440 Peri. 232.07748 +0.98266547 -0.16253217 a 3.4270493 Node 137.06726 +0.18233381 +0.93427330 e 0.6722087 Incl. 7.52263 -0.03351053 +0.31735893 P 6.34 Epoch 2012 Dec. 19.0 TT = JDT 2456280.5 T 2012 Dec. 21.12861 TT Sato q 1.2194375 (2000.0) P Q n 0.14959291 Peri. 220.08399 +0.98581091 -0.15026610 a 3.5144879 Node 148.32094 +0.16546694 +0.94489077 e 0.6530256 Incl. 8.19004 -0.02824081 +0.29086343 P 6.59 Epoch 2006 May 25.0 TT = JDT 2453880.5 T 2006 May 13.54395 TT Sato q 1.2277919 (2000.0) P Q n 0.14907047 Peri. 219.96786 +0.98599702 -0.14911531 a 3.5226944 Node 148.37064 +0.16432051 +0.94508710 e 0.6514623 Incl. 8.18508 -0.02843684 +0.29081780 P 6.61 Epoch 1999 Sept. 19.0 TT = JDT 2451440.5 T 1999 Oct. 2.34391 TT Sato q 1.2317606 (2000.0) P Q n 0.14877912 Peri. 219.85946 +0.98608051 -0.14861945 a 3.5272918 Node 148.45014 +0.16380656 +0.94523068 e 0.6507914 Incl. 8.19108 -0.02850689 +0.29060492 P 6.62 Epoch 2025 July 24.0 TT = JDT 2460880.5 T 2025 Nov. 5.00430 TT Sato q 1.1217984 (2000.0) P Q n 0.15542617 Peri. 232.19565 +0.98257225 -0.16302647 a 3.4259942 Node 136.97811 +0.18284891 +0.93412239 e 0.6725627 Incl. 7.52058 -0.03343723 +0.31754957 P 6.34 Residuals in seconds of arc 990907 699 0.4+ 0.4+ 990913 704 0.5- 0.4- 990919 867 0.8- 0.7- 990907 699 0.4- 1.6+ 990913 704 0.8+ 0.2- 990920 848 0.1- 0.4- 990907 699 0.9- 1.4+ 990913 704 0.0 0.0 990920 848 1.5- 0.7- 990907 106 0.7+ 0.3- 990913 704 0.6+ 0.9- 990920 848 0.3- 0.8+ 990907 106 0.6- 0.7- 990913 695 0.2+ 0.4+ 991003 360 1.0- 1.5+ 990907 106 0.9- 0.0 990913 695 0.8+ 0.3- 991003 360 1.1+ 0.2+ 990907 557 1.1- 0.3- 990913 695 0.4+ 0.1- 991003 360 0.9- 1.2+ 990907 557 0.6- 0.1+ 990913 704 0.9+ 0.4- 991008 402 0.8+ 0.7+ 990907 557 0.7- 0.1+ 990913 704 1.4+ 0.7+ 991008 402 1.4+ 0.6+ 990908 595 1.8- 1.4- 990913 848 0.2- 0.1- 991008 402 0.2+ 0.7+ 990908 595 1.1- 0.3- 990913 848 1.7- 1.0- 991009 360 0.0 0.2- 990908 595 0.9- 1.2- 990913 848 0.1- 0.7- 991009 360 0.0 0.4+ 990908 046 1.3- 0.0 990913 046 0.3+ 0.4+ 991009 360 0.4- 0.0 990908 046 0.2- 0.5+ 990913 046 0.0 0.0 991020 402 0.5- 0.3- 990908 046 0.2- 0.3+ 990913 046 0.2- 0.0 991020 402 0.4+ 0.2- 990908 046 0.8- 0.1+ 990913 046 0.1+ 0.1- 991020 402 0.5- 0.1+ 990908 046 0.4- 0.8+ 990913 046 0.4+ 0.8- 991030 402 (2.3- 0.8+) 990909 426 0.8+ 0.9+ 990915 691 0.3- 0.3+ 991030 402 0.7- 1.2+ 990909 426 0.0 0.0 990915 691 1.0+ 0.3+ 991030 402 1.3- 0.6+ 990909 426 0.3- 0.4+ 990915 691 0.1+ 0.2+ 991103 402 0.1+ 0.3- 990909 428 0.5- 1.1- 990915 691 0.6+ 0.0 991103 402 0.1- 1.3- 990909 428 1.8+ 0.1- 990915 691 0.2+ 0.3+ 991103 402 1.1- 1.0+ 990909 557 0.2+ 0.3- 990915 848 0.6+ 0.0 991103 402 0.1+ 0.5- 990909 557 0.1- 0.2- 990915 848 0.6+ 0.2- 991104 360 0.2- 0.5+ 990909 557 0.2- 0.2- 990915 848 0.8+ 0.2+ 991104 360 0.3- 0.3+ 990909 557 0.2+ 0.2- 990915 118 0.0 1.5- 991104 360 0.4- 0.4+ 990910 046 0.6+ 1.4+ 990915 118 1.2+ 1.6- 991113 695 0.4+ 0.7+ 990910 046 0.6+ 0.2+ 990915 595 2.0+ 0.3+ 991113 695 0.4+ 0.9+ 990910 046 1.2- 0.8+ 990915 595 0.6+ 0.5- 991113 695 0.5+ 0.7+ 990910 046 0.5- 1.5+ 990916 595 0.8+ 0.0 250712 X05 0.0 0.5+ 990910 426 0.3- 0.4+ 990916 595 1.4+ 0.1- 250712 X05 0.1- 0.6+ 990910 426 0.5- 0.1+ 990917 848 0.7- 0.5+ 250713 X05 0.1- 0.3+ 990910 426 0.3- 0.5+ 990917 848 0.5- 1.1+ 250713 X05 0.0 0.5+ 990911 848 0.6- 0.4- 990917 848 0.6- 0.4+ 250714 X05 0.1- 0.5+ 990911 848 0.8- 0.4- 990918 848 0.6+ 0.8+ 250714 X05 0.1- 0.6+ 990911 848 0.9- 0.2- 990918 848 1.1+ 0.8- 250714 X05 0.1+ 0.5+ 990912 587 1.3+ 0.8- 990918 848 0.3- 0.5- 250714 X05 0.1+ 0.5+ 990912 587 0.4+ 0.5- 990919 848 1.4+ 0.1- 250720 X05 0.1- 0.5+ 990913 704 0.1+ 0.1- 990919 867 1.1- 0.6- 250720 X05 0.1+ 0.6+ 990913 704 1.6+ 1.5- 990919 867 0.1- 1.5- 250720 X05 0.1- 0.6+ --