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
2025-05-23 02:06:06 C 11 23 31.990 -13 57 33.26 V W68
2025-05-23 02:14:14 C 11 23 31.207 -13 57 07.78 V W68
2025-05-23 02:30:17 C 11 23 29.618 -13 56 17.81 V W68
2025-05-23 06:32:46 C 11 23 11.105 -13 44 54.78 V T08
2025-05-23 06:37:23 C 11 23 10.639 -13 44 40.70 V T08
2025-05-23 06:48:36 C 11 23 09.442 -13 44 05.50 V T08
2025-05-23 07:13:52 C 11 23 06.895 -13 42 47.45 V T08
2025-05-23 18:57:35 C 11 22 09.938 -13 05 23.46 V M22
2025-05-23 19:02:50 C 11 22 09.415 -13 05 07.12 V M22
2025-05-23 19:52:23 C 11 22 04.510 -13 02 32.53 V M22
2025-05-23 20:17:20 C 11 22 02.131 -13 01 13.80 V M22
2025-05-23 21:08:13 C 11 21 59.650 -12 59 51.58 V R17
2025-05-23 21:28:46 C 11 21 57.547 -12 58 48.04 V R17
2025-05-23 21:49:17 C 11 21 55.514 -12 57 43.88 V R17
2025-05-23 22:09:48 C 11 21 53.474 -12 56 39.26 V R17
2025-05-24 04:41:08 C 11 21 21.654 -12 36 22.97 V 703
2025-05-24 04:44:24 C 11 21 21.416 -12 36 12.49 V 703
2025-05-24 04:47:39 C 11 21 21.110 -12 36 02.30 V 703
2025-05-25 07:07:59 C 11 19 16.747 -11 13 05.88 V T05
2025-05-25 07:27:00 C 11 19 14.897 -11 12 05.51 V T05
2025-05-25 07:36:34 C 11 19 14.006 -11 11 34.76 V T05
2025-05-25 20:40:50 C 11 18 13.027 -10 28 57.61 V M22
2025-05-25 20:45:29 C 11 18 12.598 -10 28 42.67 V M22
2025-05-25 20:55:26 C 11 18 11.719 -10 28 10.81 V M22
2025-05-25 21:13:39 C 11 18 10.118 -10 27 11.95 V M22
2025-05-26 21:10:59 C 11 16 24.238 -09 11 54.42 V R17
2025-05-26 21:31:32 C 11 16 22.315 -09 10 48.25 V R17
2025-05-26 21:52:05 C 11 16 20.422 -09 09 41.72 V R17
2025-05-26 22:12:35 C 11 16 18.530 -09 08 35.23 V R17
2025-05-27 06:39:11 C 11 15 41.966 -08 41 14.78 V T08
2025-05-27 06:43:48 C 11 15 41.518 -08 40 59.20 V T08
2025-05-27 06:53:00 C 11 15 40.694 -08 40 29.21 V T08
2025-05-27 07:15:20 C 11 15 38.611 -08 39 16.27 V T08
2025-05-29 21:10:26 C 11 11 15.994 -05 17 12.44 V R17
2025-05-29 21:30:49 C 11 11 14.138 -05 16 04.80 V R17
2025-05-29 21:51:10 C 11 11 12.396 -05 14 57.52 V R17
2025-05-29 22:11:33 C 11 11 10.654 -05 13 49.55 V R17
2025-05-31 06:14:17 C 11 09 01.378 -03 27 12.17 V T08
2025-05-31 06:18:54 C 11 09 00.989 -03 26 56.26 V T08
2025-05-31 06:35:23 C 11 08 59.494 -03 26 01.82 V T08
2025-05-31 06:40:41 C 11 08 59.054 -03 25 42.85 V T08
2025-06-08 03:40:47 C 10 56 38.141 +07 23 30.73 V G96
2025-06-08 03:48:09 C 10 56 37.511 +07 23 56.76 V G96
2025-06-08 04:02:53 C 10 56 36.316 +07 24 48.17 V G96
2025-11-02 21:36:41 C 09 23 07.447 +16 25 19.16 W O18
2025-11-02 22:08:06 C 09 23 09.590 +16 24 47.83 W O18
2025-12-14 14:15:03 C 10 07 11.864 +00 02 16.26 X F52
2025-12-14 14:31:59 C 10 07 11.867 +00 02 00.53 X F52
2025-12-14 14:49:04 C 10 07 11.857 +00 01 44.40 X F52
2025-12-14 15:06:07 C 10 07 11.855 +00 01 28.52 X F52
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)