1915 Quetzalcoatl (1953 EA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5702246268 ± 1.40e-07
Semi-major axis (a)2.5448411468 AU ± 5.25e-08
Inclination (i)20.39923791° ± 3.65e-05
Long. of Asc. Node (Ω)162.92162516° ± 4.08e-05
Arg. of Perihelion (ω)347.75522149° ± 5.87e-05
Mean Anomaly (M)21.61657954° ± 1.17e-04
Mean Motion (n)0.2427846689°/day ± 7.52e-09
Perihelion dist (q)1.09371005 AU ± 3.58e-07
Aphelion dist (Q)3.99597224 AU ± 3.67e-07
Orbital Period4.05967266 yr ± 1.26e-07
Physical Parameters
H (abs. magnitude)18.38
G (slope)0.10
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.984″
Uncertainty0
Orbit TypeAmor
MOID0.109709 AU
Observations Used54
Radar Obs Used1
Oppositions21
Arc Total1953-2020
First Observation Used1953-03-09
Last Observation Used2020-10-25
Observations (58)
Date Type RA Dec Mag Band Observatory
1953-03-09 08:33:59 X 11 17.2 +36 57 9.0 675
1953-03-09 08:39:01 A 11 17 11.15 +36 57 37.1 675
1953-03-11 11:59:31 A 11 59 19.47 +42 24 27.0 675
1953-03-12 07:44:01 A 12 13 43.48 +43 50 47.3 675
1953-03-14 06:50:28 A 12 43 18.15 +46 14 05.0 662
1953-03-14 07:02:01 A 12 43 24.26 +46 14 41.7 675
1953-03-14 07:05:29 A 12 43 26.37 +46 14 41.3 662
1953-03-15 07:56:31 A 12 56 36.96 +47 04 50.9 675
1953-03-17 07:41:01 A 13 18 01.56 +48 08 09.1 675
1953-03-17 09:38:45 A 13 18 42.91 +48 09 50.6 754
1953-03-19 09:55:01 A 13 35 49.07 +48 44 01.2 16.2 675
1953-03-20 04:33:08 A 13 41 30.23 +48 51 35.2 754
1953-03-20 04:53:07 A 13 41 35.62 +48 51 44.6 754
1953-03-22 05:36:35 A 13 54 10.59 +49 02 36.6 662
1953-03-22 06:04:36 A 13 54 16.78 +49 02 43.3 662
1953-04-04 06:04:53 A 14 33 08.21 +47 50 11.1 662
1953-04-04 07:04:54 A 14 33 11.04 +47 49 50.7 662
1953-04-10 06:13:32 A 14 39 09.20 +46 41 32.3 672
1953-04-10 06:23:47 A 14 39 09.44 +46 41 26.9 672
1953-04-10 06:37:02 A 14 39 09.68 +46 41 21.5 18.9 672
1953-04-12 05:54:16 A 14 40 20.25 +46 15 34.8 672
1953-04-12 06:11:31 A 14 40 20.58 +46 15 24.6 672
1953-04-12 06:27:31 A 14 40 20.88 +46 15 17.2 19.0 672
1953-04-21 10:31:25 A 14 42 47.08 +43 56 04.8 662
1953-04-21 11:38:28 A 14 42 47.22 +43 55 15.8 662
1953-06-05 06:11:55 A 14 48 03.44 +27 36 00.2 675
1953-06-05 08:01:54 A 14 48 01.91 +27 36 38.5 675
1953-06-17 05:35:55 A 14 54 21.53 +22 54 19.4 675
1953-06-17 06:21:55 A 14 54 22.54 +22 53 31.0 675
1973-03-26 11:21:25 A 16 34.24 +20 04.2 695
1973-04-03 10:04:59 A 16 35 44.14 +24 15 44.5 693
1973-04-03 11:12:59 A 16 35 43.45 +24 17 01.9 693
1973-04-27 06:33:34 A 16 17 46.43 +30 18 10.5 695
1973-04-27 07:35:35 A 16 17 43.12 +30 18 22.1 695
1973-05-25 09:13:05 A 15 46 01.16 +27 21 31.8 695
1977-02-14 07:24:05 A 12 55 33.37 -34 39 59.1 809
1977-02-14 07:39:03 A 12 55 38.98 -34 38 52.7 809
1977-02-16 07:49:09 A 13 13 42.82 -30 54 34.9 809
1977-02-22 08:23:47 A 14 01 17.62 -17 57 02.5 A 801
1977-03-17 08:12:17 A 15 33 07.94 +20 45 48.6 A 801
1977-03-20 08:31:45 A 15 37 38.13 +23 26 44.7 A 801
1977-04-12 07:42:25 A 15 42 24.13 +33 52 10.2 A 801
1977-04-16 07:12:53 A 15 39 50.14 +34 26 10.6 A 801
1981-01-09 13:07:14 A 06 26 33.65 -42 36 12.4 18.0 474
1981-01-09 13:39:44 A 06 26 33.66 -42 36 27.2 474
1981-02-03 10:45:40 A 06 54 56.08 -43 28 28.1 474
1981-02-03 11:33:00 A 06 55 01.04 -43 28 01.5 474
1981-02-10 13:34:59 A 07 20 21.90 -40 53 29.5 323
1981-02-23 04:54:29 A 08 53 37.06 -23 49 46.4 16.2 688
1981-02-23 05:19:30 A 08 53 47.45 -23 47 03.3 688
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1981-03-08 03:40:00 -106796 2 Hz 2380 -1 -1
1981-03-08.152778 -10679600 200 Hz 2380 251 251
Station codes
-1 Arecibo (305-m, 1963–2020)