2021 RT4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5062595000
Semi-major axis (a)1.9534657000 AU
Inclination (i)6.03581000°
Long. of Asc. Node (Ω)164.52335000°
Arg. of Perihelion (ω)150.06984000°
Mean Anomaly (M)202.95006000°
Mean Motion (n)0.3609901700°/day
Perihelion dist (q)0.96450510 AU
Aphelion dist (Q)2.94242630 AU
Orbital Period2.73028940 yr
Physical Parameters
H (abs. magnitude)28.17
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.760″
Uncertainty7
Orbit TypeApollo
MOID0.000088 AU
Observations Used35
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-15
Observations (35)
Date Type RA Dec Mag Band Observatory
2021-09-08 13:29:24 C 02 00 53.071 -03 21 42.21 U F51
2021-09-08 13:55:01 C 02 00 51.713 -03 25 39.05 U F51
2021-09-08 14:12:44 C 02 00 50.829 -03 28 20.55 U F51
2021-09-08 22:29:59 C 02 02 22.78 -04 37 18.8 V 246
2021-09-08 22:31:30 C 02 02 22.81 -04 37 29.4 V 246
2021-09-09 00:16:26 C 02 02 24.18 -04 48 42.8 V L01
2021-09-09 00:20:15 C 02 02 24.06 -04 49 07.0 V L01
2021-09-09 00:24:06 C 02 02 24.03 -04 49 32.1 V L01
2021-09-09 00:27:56 C 02 02 23.93 -04 49 56.4 V L01
2021-09-09 01:34:50 C 02 02 22.85 -04 57 32.1 V 033
2021-09-09 01:36:00 C 02 02 22.83 -04 57 39.0 V 033
2021-09-09 01:37:09 C 02 02 22.82 -04 57 46.5 V 033
2021-09-09 11:11:25 C 02 03 01.70 -05 47 01.3 V U83
2021-09-09 11:18:52 C 02 03 01.27 -05 47 35.8 V U83
2021-09-09 11:19:22 C 02 03 01.25 -05 47 38.3 V U83
2021-09-09 11:19:52 C 02 03 01.21 -05 47 40.4 V U83
2021-09-09 11:21:22 C 02 03 01.14 -05 47 47.6 V U83
2021-09-09 11:22:22 C 02 03 01.12 -05 47 51.9 V U83
2021-09-10 12:38:47 C 02 04 26.435 -07 14 36.14 U F52
2021-09-10 12:56:21 C 02 04 25.197 -07 15 22.25 U F52
2021-09-10 13:13:57 C 02 04 23.952 -07 16 07.84 U F52
2021-09-12 11:22:24 C 02 05 17.74 -08 37 59.5 o 291
2021-09-12 11:35:51 C 02 05 17.03 -08 38 14.5 o 291
2021-09-12 11:49:14 C 02 05 16.48 -08 38 29.9 o 291
2021-09-12 12:41:53 C 02 05 24.914 -08 38 49.91 V T12
2021-09-12 12:43:37 C 02 05 24.814 -08 38 51.97 V T12
2021-09-12 12:45:25 C 02 05 24.700 -08 38 54.14 V T12
2021-09-13 13:08:03 C 02 05 33.932 -09 03 25.00 V T12
2021-09-13 13:12:42 C 02 05 33.674 -09 03 28.91 V T12
2021-09-13 13:17:09 C 02 05 33.420 -09 03 32.72 V T12
2021-09-15 09:12:55 C 02 05 38.69 -09 33 42.9 o 291
2021-09-15 09:36:41 C 02 05 37.59 -09 33 55.1 o 291
2021-09-15 10:00:28 C 02 05 36.51 -09 34 07.9 o 291
2021-09-15 11:29:13 C 02 05 32.576 -09 34 58.35 V G37
2021-09-15 11:34:36 C 02 05 32.375 -09 35 01.02 V G37