2021 DF

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3378792000
Semi-major axis (a)1.5139705000 AU
Inclination (i)15.96458000°
Long. of Asc. Node (Ω)147.96057000°
Arg. of Perihelion (ω)347.41069000°
Mean Anomaly (M)205.37555000°
Mean Motion (n)0.5290880700°/day
Perihelion dist (q)1.00243140 AU
Aphelion dist (Q)2.02550960 AU
Orbital Period1.86284240 yr
Physical Parameters
H (abs. magnitude)26.26
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.800″
Uncertainty7
Orbit TypeAmor
MOID0.020180 AU
Observations Used54
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-02-22
Observations (56)
Date Type RA Dec Mag Band Observatory
2021-02-17 06:11:12 C 09 02 57.07 +19 37 57.6 V 703
2021-02-17 06:27:41 C 09 03 21.47 +19 46 45.8 V 703
2021-02-17 06:35:56 C 09 03 33.51 +19 51 09.3 V 703
2021-02-17 07:02:45 C 09 04 13.29 +20 05 26.6 V I52
2021-02-17 07:03:19 C 09 04 14.11 +20 05 44.5 V I52
2021-02-17 07:03:52 C 09 04 14.94 +20 06 02.4 V I52
2021-02-17 07:04:26 C 09 04 15.78 +20 06 19.9 V I52
2021-02-17 09:32:19 C 09 07 57.41 +21 23 54.6 V I52
2021-02-17 09:32:53 C 09 07 58.25 +21 24 12.4 V I52
2021-02-17 09:33:27 C 09 07 59.13 +21 24 30.0 V I52
2021-02-17 09:34:01 C 09 07 59.99 +21 24 47.5 V I52
2021-02-17 18:27:30 C 09 23 03.97 +25 55 02.5 V L34
2021-02-17 18:28:59 C 09 22 40.90 +25 56 20.9 V N88
2021-02-17 18:29:26 C 09 22 41.61 +25 56 33.9 V N88
2021-02-17 18:29:55 C 09 22 42.36 +25 56 48.2 V N88
2021-02-17 18:30:22 C 09 22 43.11 +25 57 01.8 V N88
2021-02-17 18:30:47 C 09 22 43.68 +25 57 13.4 V N88
2021-02-17 18:57:34 C 09 23 51.73 +26 10 03.3 V L34
2021-02-17 19:00:44 C 09 23 55.51 +26 10 41.4 V 587
2021-02-17 19:01:46 C 09 23 57.17 +26 11 12.2 V 587
2021-02-17 19:02:00 C 09 23 57.54 +26 11 19.0 V 587
2021-02-17 19:02:24 C 09 23 58.18 +26 11 30.9 V 587
2021-02-17 19:10:56 C 09 24 12.94 +26 16 42.3 V L34
2021-02-17 19:43:43 C 09 25 04.07 +26 31 57.8 V 204
2021-02-17 19:52:58 C 09 25 18.69 +26 36 31.1 V 204
2021-02-17 20:02:12 C 09 25 33.34 +26 41 03.5 V 204
2021-02-17 21:35:35 C 09 28 00.33 +27 26 31.8 V 203
2021-02-17 21:52:12 C 09 28 26.39 +27 34 31.6 V 203
2021-02-17 22:32:31 C 09 29 29.52 +27 53 46.5 V 203
2021-02-18 01:43:39 C 09 34 31.15 +29 21 51.6 V 033
2021-02-18 01:44:13 C 09 34 32.09 +29 22 07.4 V 033
2021-02-18 01:44:48 C 09 34 33.02 +29 22 23.1 V 033
2021-02-18 03:44:44 C 09 38 23.53 +30 16 24.8 q U55
2021-02-18 04:07:45 C 09 39 00.75 +30 26 52.2 q U55
2021-02-18 06:20:07 C 09 42 34.25 +31 27 54.1 V 654
2021-02-18 07:20:00 C 09 44 08.29 +31 54 02.7 V 654
2021-02-18 07:57:21 C 09 45 03.70 +32 10 17.8 V I52
2021-02-18 07:58:07 C 09 45 04.93 +32 10 36.8 V I52
2021-02-18 07:58:50 C 09 45 06.10 +32 10 55.7 V I52
2021-02-18 08:00:20 C 09 45 11.55 +32 11 22.7 V 654
2021-02-19 12:20:51 C 10 32 13.05 +42 13 06.0 V I52
2021-02-19 12:21:25 C 10 32 13.95 +42 13 15.5 V I52
2021-02-19 12:21:59 C 10 32 14.86 +42 13 24.3 V I52
2021-02-19 12:22:33 C 10 32 15.72 +42 13 33.7 V I52
2021-02-20 06:54:43 C 11 02 27.28 +46 45 21.0 V I52
2021-02-20 06:55:31 C 11 02 28.47 +46 45 31.6 V I52
2021-02-20 06:56:20 C 11 02 29.63 +46 45 41.5 V I52
2021-02-20 06:57:08 C 11 02 30.85 +46 45 53.0 V I52
2021-02-21 11:19:53 C 11 43 12.62 +51 16 26.1 V I52
2021-02-21 11:21:18 C 11 43 14.41 +51 16 35.9 V I52