433953 (1997 XR2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2008557674 ± 2.00e+00
Semi-major axis (a)1.0765222503 AU ± 3.00e+00
Inclination (i)7.19113605° ± 4.00e+00
Long. of Asc. Node (Ω)250.62373550° ± 5.00e+00
Arg. of Perihelion (ω)84.51801041° ± 6.00e+00
Mean Anomaly (M)84.76752829° ± 6.26e-06
Mean Motion (n)0.8824249121°/day ± 3.69e+00
Perihelion dist (q)0.86029655 AU ± 3.22e+00
Aphelion dist (Q)1.29274795 AU ± 4.20e+00
Orbital Period1.11695201 yr ± 4.67e+00
NGA Modelr2
A23.56200169e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.362″
Uncertainty0
Orbit TypeApollo
MOID0.000707 AU
Observations Used489
Oppositions3
Arc Total1997-2025
First Observation Used1997-12-04
Last Observation Used2025-12-28
Observations (558)
Date Type RA Dec Mag Band Observatory
2025-04-25 22:30:20 C 12 41 44.417 -38 08 54.02 V M22
2025-04-26 21:41:39 C 12 38 24.914 -37 41 24.47 V M22
2025-04-26 21:46:15 C 12 38 24.199 -37 41 19.32 V M22
2025-04-26 21:54:15 C 12 38 22.920 -37 41 09.20 V M22
2025-04-26 22:08:47 C 12 38 20.602 -37 40 50.56 V M22
2025-04-28 03:51:04 C 12 34 04.082 -37 02 43.08 V W68
2025-04-28 03:55:05 C 12 34 03.427 -37 02 37.90 V W68
2025-04-28 04:05:40 C 12 34 01.740 -37 02 23.06 V W68
2025-04-28 04:20:00 C 12 33 59.453 -37 02 03.05 V W68
2025-05-03 03:06:03 C 12 17 08.916 -33 56 53.74 V W68
2025-05-03 03:10:50 C 12 17 08.218 -33 56 45.02 V W68
2025-05-03 03:19:35 C 12 17 06.830 -33 56 29.15 V W68
2025-05-03 03:35:18 C 12 17 04.385 -33 56 00.56 V W68
2025-05-03 21:38:52 C 12 14 34.814 -33 23 18.46 V M22
2025-05-03 21:43:25 C 12 14 34.118 -33 23 09.85 V M22
2025-05-03 21:51:42 C 12 14 32.839 -33 22 54.19 V M22
2025-05-03 22:21:05 C 12 14 28.373 -33 21 59.00 V M22
2025-05-04 20:46:01 C 12 11 26.779 -32 39 51.55 V M22
2025-05-04 20:50:00 C 12 11 26.208 -32 39 44.10 V M22
2025-05-04 20:58:34 C 12 11 24.883 -32 39 27.11 V M22
2025-05-04 21:13:03 C 12 11 22.675 -32 38 58.88 V M22
2025-05-04 21:13:42 C 12 11 22.582 -32 38 57.48 V M22
2025-05-06 02:55:49 C 12 07 24.722 -31 40 22.69 V W68
2025-05-06 03:00:39 C 12 07 23.990 -31 40 13.22 V W68
2025-05-06 03:08:52 C 12 07 22.742 -31 39 55.66 V W68
2025-05-06 03:25:06 C 12 07 20.328 -31 39 22.28 V W68
2025-05-07 02:36:33 C 12 04 18.912 -30 51 30.42 V W68
2025-05-07 02:40:38 C 12 04 18.302 -30 51 21.96 V W68
2025-05-07 02:48:38 C 12 04 17.100 -30 51 04.54 V W68
2025-05-07 03:06:50 C 12 04 14.419 -30 50 25.91 V W68
2025-05-08 20:27:45 C 11 58 58.932 -29 20 34.15 V M22
2025-05-08 20:32:10 C 11 58 58.320 -29 20 23.64 V M22
2025-05-08 20:40:32 C 11 58 57.149 -29 20 04.78 V M22
2025-05-08 21:32:06 C 11 58 49.836 -29 18 07.09 V M22
2025-05-15 21:13:48 C 11 39 37.855 -22 20 30.55 V M22
2025-05-15 21:18:22 C 11 39 37.306 -22 20 17.81 V M22
2025-05-15 21:26:27 C 11 39 36.350 -22 19 55.70 V M22
2025-05-15 21:40:42 C 11 39 34.678 -22 19 16.10 V M22
2025-05-17 21:05:04 C 11 34 51.084 -20 08 53.41 V R17
2025-05-17 21:25:37 C 11 34 48.670 -20 07 55.20 V R17
2025-05-17 21:46:08 C 11 34 46.286 -20 06 56.92 V R17
2025-05-17 22:06:39 C 11 34 43.886 -20 05 58.09 V R17
2025-05-20 05:37:14 C 11 29 28.712 -17 25 20.06 V 703
2025-05-20 05:40:34 C 11 29 28.424 -17 25 11.75 V 703
2025-05-20 05:43:53 C 11 29 28.043 -17 25 01.63 V 703
2025-05-20 05:47:13 C 11 29 27.686 -17 24 50.72 V 703
2025-05-22 04:47:46 C 11 25 19.866 -15 03 58.64 V 703
2025-05-22 04:51:02 C 11 25 19.502 -15 03 47.81 V 703
2025-05-22 04:57:33 C 11 25 18.772 -15 03 28.80 V 703
2025-05-23 02:01:29 C 11 23 32.479 -13 57 47.02 V W68
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-11-16 13:00:00 57562.104 1 Hz 8560 -14 -14
2016-11-16 13:20:00 48003405.821 10 us 8560 -14 -14
2016-11-16 13:30:00 47999502.99 1 us 8560 -14 -14
2016-11-16 13:50:00 47991831.305 0.2 us 8560 -14 -14
2016-11-17 08:40:00 45428.255 0.5 Hz 8560 -14 -14
2016-11-17 08:50:00 47652875.31 0.5 us 8560 -14 -14
2016-11-26 06:03:00 55184292.03 4 us 2380 -1 -1
2016-12-06 05:14:00 83074742.44 1 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)