Last updated 7-Feb-2001
After recovery in 2001 for it's 3rd opposition:
1999 XV35 Epoch 2001 Apr. 1.0 TT = JDT 2452000.5 Williams M 271.90063 (2000.0) P Q n 0.21889866 Peri. 95.38483 +0.01777364 +0.99980699 a 2.7267207 Node 175.60740 -0.95517229 +0.01945355 e 0.0131400 Incl. 6.27479 -0.29551650 -0.00274530 P 4.50 H 14.9 G 0.15 U 4 From 40 observations at 3 oppositions, 1998-2001, mean residual 0".71. Orbital elements from MPEC 2001-C06.
After being tied back to pre-discovery observations (probably one-night stands) in 1998:
1999 XV35 Epoch 2000 Sept. 13.0 TT = JDT 2451800.5 Williams M 227.40484 (2000.0) P Q n 0.21896154 Peri. 96.08857 +0.03008902 +0.99951220 a 2.7261986 Node 175.60952 -0.95486168 +0.03121786 e 0.0130649 Incl. 6.27506 -0.29552295 +0.00089875 P 4.50 H 15.0 G 0.15 U 4 From 36 observations at 2 oppositions, 1998-2000, mean residual 0".60. Orbital elements from MPEC 2000-O13.
After a 62-day arc:
1999 XV35 Epoch 1999 Dec. 28.0 TT = JDT 2451540.5 Williams M 171.49855 (2000.0) P Q n 0.21885132 Peri. 95.09599 +0.01272199 +0.99988402 a 2.7271139 Node 175.60676 -0.95525921 +0.01462780 e 0.0126328 Incl. 6.27496 -0.29549618 -0.00423976 P 4.50 H 15.0 G 0.15 From 30 observations 1999 Dec. 6-2000 Feb. 6. Orbital elements from MPEC 2000-D01.
After a 22-day arc:
1999 XV35 Epoch 1999 Dec. 8.0 TT = JDT 2451520.5 Williams M 164.54439 (2000.0) P Q n 0.21883135 Peri. 97.63503 +0.05708306 +0.99833444 a 2.7272797 Node 175.61132 -0.95365115 +0.05700211 e 0.0116128 Incl. 6.27142 -0.29545051 +0.00889439 P 4.50 H 15.0 G 0.15 From 15 observations 1999 Dec. 6-28. Orbital elements from MPEC 1999-Y34.
After an 8-day arc:
1999 XV35 Epoch 1999 Dec. 8.0 TT = JDT 2451520.5 Williams M 49.89881 (2000.0) P Q n 0.21816756 Peri. 211.64820 +0.88943770 -0.45697823 a 2.7328089 Node 175.51893 +0.43867819 +0.84833463 e 0.0118482 Incl. 6.21226 +0.12830444 +0.26739344 P 4.52 H 15.1 G 0.15 From 9 observations 1999 Dec. 6-14. E-assumed. Orbital elements from MPEC 1999-Y01.
After a 4-day arc:
1999 XV35 Epoch 1999 Dec. 8.0 TT = JDT 2451520.5 Williams M 69.71541 (2000.0) P Q n 0.19980387 Peri. 159.32798 +0.95155710 +0.30742291 a 2.8977892 Node 182.78560 -0.29559697 +0.90973828 e 0.2293694 Incl. 6.49614 -0.08462572 +0.27904734 P 4.93 H 14.8 G 0.15 From 7 observations 1999 Dec. 6-10. E-assumed. Orbital elements from MPEC 1999-X31.
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