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
2016-12-22 22:18:33 C 04 41 56.14 +05 37 34.3 q 160
2016-12-22 22:20:39 C 04 41 56.01 +05 37 32.9 q 160
2016-12-22 22:22:46 C 04 41 55.87 +05 37 31.6 q 160
2016-12-23 23:52:52 C 04 41 07.74 +05 20 54.0 q 160
2016-12-23 23:55:52 C 04 41 07.62 +05 20 52.2 q 160
2016-12-23 23:58:51 C 04 41 07.50 +05 20 50.5 q 160
2016-12-28 08:02:54 C 04 38 59.591 +04 30 47.83 L F51
2016-12-28 08:19:22 C 04 38 59.154 +04 30 41.86 L F51
2016-12-28 08:35:49 C 04 38 58.714 +04 30 35.85 L F51
2016-12-28 08:52:18 C 04 38 58.275 +04 30 29.84 L F51
2016-12-31 23:56:46 C 04 38 17.66 +04 05 47.0 q 160
2016-12-31 23:59:33 C 04 38 17.64 +04 05 46.9 q 160
2017-01-01 00:02:19 C 04 38 17.59 +04 05 47.4 q 160
2017-01-21 05:49:24 C 04 48 31.365 +04 33 21.67 L F51
2017-01-21 06:06:16 C 04 48 31.911 +04 33 25.35 L F51
2017-01-21 06:23:11 C 04 48 32.458 +04 33 29.06 L F51
2017-01-21 06:40:08 C 04 48 32.997 +04 33 32.83 L F51
2017-01-24 05:55:17 C 04 51 31.698 +04 50 16.37 L F51
2017-01-24 06:11:39 C 04 51 32.302 +04 50 20.41 L F51
2017-01-24 06:28:09 C 04 51 32.909 +04 50 24.49 L F51
2017-01-24 06:44:43 C 04 51 33.518 +04 50 28.67 L F51
2017-01-28 06:42:44 C 04 56 02.710 +05 15 28.38 L F51
2017-01-28 07:00:59 C 04 56 03.498 +05 15 33.42 L F51
2017-01-28 07:19:19 C 04 56 04.282 +05 15 38.37 L F51
2017-01-28 07:37:40 C 04 56 05.067 +05 15 43.34 L F51
2017-02-16 03:59:38 C 05 23 23.37 +07 28 32.8 o 691
2017-02-16 04:32:20 C 05 23 25.49 +07 28 42.2 o 691
2025-02-22 13:28:21 C 13 47 15.983 -31 17 18.77 X F51
2025-02-22 13:43:16 C 13 47 16.552 -31 17 30.31 X F51
2025-02-22 14:13:08 C 13 47 17.629 -31 17 53.43 X F51
2025-03-03 12:40:09 C 13 54 53.532 -34 00 35.21 X F51
2025-03-03 12:54:05 C 13 54 53.827 -34 00 45.98 X F51
2025-03-03 13:08:02 C 13 54 54.117 -34 00 56.25 X F51
2025-03-03 13:22:00 C 13 54 54.415 -34 01 06.58 X F51
2025-04-17 22:57:21 C 13 08 09.286 -40 44 18.24 V M22
2025-04-17 23:27:14 C 13 08 05.047 -40 44 02.83 V M22
2025-04-17 23:31:52 C 13 08 04.380 -40 44 00.64 V M22
2025-04-17 23:39:54 C 13 08 03.187 -40 43 55.96 V M22
2025-04-17 23:54:25 C 13 08 01.195 -40 43 48.22 V M22
2025-04-18 23:24:40 C 13 04 57.742 -40 31 09.19 V M22
2025-04-18 23:39:09 C 13 04 55.666 -40 31 00.55 V M22
2025-04-19 00:07:47 C 13 04 51.499 -40 30 42.12 V M22
2025-04-19 00:32:02 C 13 04 48.036 -40 30 26.50 V M22
2025-04-24 22:00:49 C 12 45 15.648 -38 35 51.32 V M22
2025-04-24 22:05:25 C 12 45 14.947 -38 35 45.89 V M22
2025-04-24 22:15:27 C 12 45 13.390 -38 35 34.91 V M22
2025-04-24 22:31:52 C 12 45 10.769 -38 35 17.48 V M22
2025-04-25 22:03:16 C 12 41 48.787 -38 09 25.99 V M22
2025-04-25 22:07:17 C 12 41 48.079 -38 09 21.24 V M22
2025-04-25 22:15:48 C 12 41 46.764 -38 09 12.06 V M22
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)