3908 Nyx (1980 PA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.4590032671 ± 2.00e+00
Semi-major axis (a)	1.9278929483 AU ± 3.00e+00
Inclination (i)	2.18636566° ± 4.00e+00
Long. of Asc. Node (Ω)	261.19174891° ± 5.00e+00
Arg. of Perihelion (ω)	126.65988085° ± 6.00e+00
Mean Anomaly (M)	312.97146977° ± 2.87e-05
Mean Motion (n)	0.3682034928°/day ± 8.59e-01
Perihelion dist (q)	1.04298379 AU ± 4.18e+00
Aphelion dist (Q)	2.81280211 AU ± 5.83e+00
Orbital Period	2.67685207 yr ± 6.25e+00
NGA Model	r2
A2	-3.27808799e-08 AU/d²

Physical Parameters

H (abs. magnitude)	17.45
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-26
RMS Residual	0.809″
Uncertainty	0
Orbit Type	Amor
MOID	0.055611 AU
Observations Used	2075
Radar Obs Used	16
Gaia Obs Used	72
Oppositions	22
Arc Total	1980-2025
First Observation Used	1980-08-06
Last Observation Used	2025-06-26

Observations (2135)

Date	Type	RA	Dec	Mag	Band	Observatory
2020-07-15 14:29:32	C	18 42 42.40	-20 32 10.5	–	q	Q68
2020-07-15 14:33:47	C	18 42 41.86	-20 32 10.5	–	q	Q68
2020-07-15 14:35:55	C	18 42 41.66	-20 32 09.8	–	q	Q68
2020-07-15 14:54:57	C	18 42 40.37	-20 32 09.9	–	q	Q68
2020-07-15 14:57:05	C	18 42 40.34	-20 32 10.6	–	q	Q68
2020-07-15 15:01:20	C	18 42 39.95	-20 32 13.3	–	q	Q68
2020-07-23 09:26:51	C	18 29 04.57	-20 23 52.5	–	V	T05
2020-07-23 09:34:50	C	18 29 03.98	-20 23 51.8	–	V	T05
2020-07-23 09:49:20	C	18 29 02.86	-20 23 50.9	–	V	T05
2020-08-06 10:03:17	C	18 08 31.06	-20 03 14.9	–	V	T08
2020-08-06 10:07:55	C	18 08 30.81	-20 03 15.0	–	V	T08
2020-08-06 10:18:34	C	18 08 30.26	-20 03 14.3	–	V	T08
2020-08-06 10:42:33	C	18 08 29.07	-20 03 13.1	–	V	T08
2020-08-08 08:34:33	C	18 06 22.86	-20 00 17.9	–	V	T05
2020-08-08 08:47:07	C	18 06 22.25	-20 00 16.8	–	V	T05
2020-08-08 08:51:44	C	18 06 22.02	-20 00 16.3	–	V	T05
2020-08-08 09:10:18	C	18 06 21.13	-20 00 15.4	–	V	T05
2020-08-12 07:59:35	C	18 02 39.04	-19 54 22.9	–	V	T05
2020-08-12 08:03:40	C	18 02 38.85	-19 54 22.4	–	V	T05
2020-08-12 08:11:35	C	18 02 38.57	-19 54 22.1	–	V	T05
2020-08-12 08:28:46	C	18 02 37.93	-19 54 21.1	–	V	T05
2020-08-18 08:02:23	C	17 58 49.81	-19 46 18.0	–	V	T08
2020-08-18 08:07:01	C	17 58 49.71	-19 46 17.7	–	V	T08
2020-08-18 08:14:58	C	17 58 49.53	-19 46 16.9	–	V	T08
2020-09-07 07:12:39	C	18 02 43.40	-19 28 27.9	–	V	T08
2020-09-07 07:16:40	C	18 02 43.53	-19 28 27.4	–	V	T08
2020-09-07 07:24:00	C	18 02 43.79	-19 28 26.8	–	V	T08
2020-09-07 07:29:19	C	18 02 43.94	-19 28 27.0	–	V	T08
2020-09-07 07:33:58	C	18 02 44.08	-19 28 26.4	–	V	T08
2020-09-07 07:40:36	C	18 02 44.30	-19 28 26.1	–	V	T08
2020-09-09 06:29:16	C	18 04 26.83	-19 27 06.2	–	V	T05
2020-09-09 06:33:54	C	18 04 26.95	-19 27 06.8	–	V	T05
2020-09-09 06:42:00	C	18 04 27.23	-19 27 06.4	–	V	T05
2020-09-09 06:58:33	C	18 04 27.79	-19 27 05.5	–	V	T05
2020-09-11 06:40:17	C	18 06 25.92	-19 25 41.2	–	V	T08
2020-09-11 06:44:56	C	18 06 26.10	-19 25 41.1	–	V	T08
2020-09-11 06:53:34	C	18 06 26.44	-19 25 40.8	–	V	T08
2020-09-11 07:08:10	C	18 06 27.04	-19 25 40.0	–	V	T08
2020-10-17 06:11:40	C	19 18 28.18	-18 02 32.0	–	V	T08
2020-10-17 06:16:19	C	19 18 28.71	-18 02 30.9	–	V	T08
2020-10-17 06:26:16	C	19 18 29.87	-18 02 28.7	–	V	T08
2020-10-17 06:46:10	C	19 18 32.19	-18 02 23.8	–	V	T08
2020-10-24 06:21:52	C	19 39 49.59	-17 18 16.0	–	V	T05
2020-10-24 06:29:49	C	19 39 50.58	-17 18 13.1	–	V	T05
2020-10-24 06:36:25	C	19 39 51.51	-17 18 10.7	–	V	T05
2020-10-24 06:53:34	C	19 39 53.70	-17 18 05.2	–	V	T05
2020-10-29 05:36:38	C	19 56 19.93	-16 37 39.0	–	V	T08
2020-10-29 05:41:16	C	19 56 20.49	-16 37 37.2	–	V	T08
2020-10-29 06:06:29	C	19 56 24.00	-16 37 27.8	–	V	T08
2020-10-29 06:27:04	C	19 56 26.91	-16 37 19.9	–	V	T08

« Prev 1 2 … 37 38 39 … 42 43 Next » 2135 observations

Radar Observations (32)

Epoch (UTC)	Value	Sigma	Units	Freq (MHz)	Receiver	Transmitter
1988-09-25 02:30:00	67856.4	1	Hz	2380	-1	-1
1988-09-25 03:35:00	83363235	20	us	2380	-1	-1
1988-09-25.104167	6785640	100	Hz	2380	251	251
1988-09-25.149306	8336323500	20000	us	2380	251	251
1988-09-26 03:08:00	81027438	2	us	2380	-1	-1
1988-09-26.130556	8102743800	2000	us	2380	251	251
1988-09-27 03:00:00	78763284	2	us	2380	-1	-1
1988-09-27.125000	7876328400	2000	us	2380	251	251
1988-10-06 07:45:00	63835350	10	us	8495	-14	-14
1988-10-06.322917	6383535000	10000	us	8495	253	253
1988-10-19 07:00:00	66513356.1	1.4	us	8495	-14	-14
1988-10-19 09:00:00	66612701.5	1.4	us	8495	-14	-14
1988-10-19.291667	6651335610	1400	us	8495	253	253
1988-10-19.375000	6661270150	1400	us	8495	253	253
2004-11-15 23:39:00	139206966.95	8	us	2380	-1	-1
2004-11-15.985417	13920696695	8000	us	2380	251	251
2004-11-16 00:37:00	139214872	1	us	2380	-1	-1
2004-11-16 23:31:00	139485862	1	us	2380	-1	-1
2004-11-16.025694	13921487200	1000	us	2380	251	251
2004-11-16.979861	13948586200	1000	us	2380	251	251
2004-11-17 01:05:00	139511312	1	us	2380	-1	-1
2004-11-17 23:29:00	139953160.6	1	us	2380	-1	-1
2004-11-17.045139	13951131200	1000	us	2380	251	251
2004-11-17.978472	13995316060	1000	us	2380	251	251
2004-11-18 01:12:00	139994542	1	us	2380	-1	-1
2004-11-18 23:33:00	140614951.6	1	us	2380	-1	-1
2004-11-18.050000	13999454200	1000	us	2380	251	251
2004-11-18.981250	14061495160	1000	us	2380	251	251
2004-11-19 00:11:00	140634288	1	us	2380	-1	-1
2004-11-19 01:07:00	140665020.9	1	us	2380	-1	-1
2004-11-19.007639	14063428800	1000	us	2380	251	251
2004-11-19.046528	14066502090	1000	us	2380	251	251

Station codes

-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)