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
2004-09-02 21:04:28	C	19 34 06.61	-12 43 14.0	–	o	151
2004-09-02 21:04:44	C	19 34 06.59	-12 43 14.4	–	r	240
2004-09-02 21:07:58	C	19 34 06.49	-12 43 13.5	–	o	151
2004-09-03 19:58:30	C	19 33 26.89	-12 40 16.0	–	c	434
2004-09-03 20:00:05	C	19 33 26.85	-12 40 16.2	–	c	434
2004-09-03 20:01:40	C	19 33 26.82	-12 40 15.6	–	c	434
2004-09-03 20:03:14	C	19 33 26.75	-12 40 15.0	–	c	434
2004-09-03 22:16:06	C	19 33 22.40	-12 40 00.2	–	c	A32
2004-09-03 22:22:35	C	19 33 22.19	-12 39 59.3	–	c	A32
2004-09-03 22:29:03	C	19 33 21.96	-12 39 57.9	–	c	A32
2004-09-03 22:35:32	C	19 33 21.74	-12 39 56.9	–	c	A32
2004-09-06 18:45:21	C	19 31 46.93	-12 30 43.2	–	r	A30
2004-09-06 18:47:02	C	19 31 46.89	-12 30 43.0	–	r	A30
2004-09-06 18:50:54	C	19 31 46.80	-12 30 42.6	–	r	A30
2004-09-06 18:56:07	C	19 31 46.66	-12 30 41.9	–	r	A30
2004-09-07 02:58:29	C	19 31 37.54	-12 29 28.9	16.6	c	704
2004-09-07 03:14:44	C	19 31 37.13	-12 29 26.4	16.9	c	704
2004-09-07 03:30:47	C	19 31 36.69	-12 29 24.4	16.9	c	704
2004-09-07 03:46:50	C	19 31 36.26	-12 29 22.5	17.1	c	704
2004-09-07 04:02:53	C	19 31 35.81	-12 29 19.9	16.7	c	704
2004-09-07 19:49:52	C	19 31 19.38	-12 27 12.2	–	o	084
2004-09-08 21:51:47	C	19 30 56.43	-12 23 22.2	–	c	A32
2004-09-08 21:56:39	C	19 30 56.32	-12 23 21.3	–	c	A32
2004-09-08 22:02:04	C	19 30 56.23	-12 23 20.3	–	c	A32
2004-09-09 18:45:41	C	19 30 42.63	-12 20 15.8	–	o	084
2004-09-09 19:09:12	C	19 30 42.74	-12 20 10.0	–	r	240
2004-09-09 19:10:14	C	19 30 42.72	-12 20 09.8	–	r	240
2004-09-09 19:14:31	C	19 30 42.65	-12 20 09.2	–	r	240
2004-09-09 19:17:43	C	19 30 42.60	-12 20 08.8	–	r	240
2004-09-09 19:20:53	C	19 30 42.55	-12 20 08.4	–	r	240
2004-09-09 19:49:22	C	19 30 42.03	-12 20 03.2	–	r	160
2004-09-09 19:49:42	C	19 30 42.00	-12 20 02.7	–	r	160
2004-09-09 19:51:50	C	19 30 41.96	-12 20 02.1	–	r	160
2004-09-09 19:52:12	C	19 30 41.99	-12 20 01.9	–	r	160
2004-09-09 19:52:33	C	19 30 42.01	-12 20 01.6	–	r	160
2004-09-10 02:55:22	C	19 30 38.39	-12 18 53.0	16.5	c	704
2004-09-10 03:11:51	C	19 30 38.07	-12 18 50.7	17.1	c	704
2004-09-10 03:28:19	C	19 30 37.76	-12 18 47.9	17.0	c	704
2004-09-10 03:45:23	C	19 30 37.49	-12 18 45.4	17.2	c	704
2004-09-10 04:02:33	C	19 30 37.13	-12 18 42.5	16.9	c	704
2004-09-10 18:29:21	C	19 30 30.55	-12 16 36.5	–	o	084
2004-09-11 18:50:01	C	19 30 22.76	-12 12 45.5	–	o	084
2004-09-13 20:09:14	C	19 30 21.96	-12 04 31.2	–	r	160
2004-09-13 20:09:34	C	19 30 21.99	-12 04 31.2	–	r	160
2004-09-13 20:10:38	C	19 30 21.97	-12 04 31.5	–	r	160
2004-09-13 20:11:20	C	19 30 21.96	-12 04 30.8	–	r	160
2004-09-13 20:11:42	C	19 30 21.96	-12 04 30.6	–	r	160
2004-09-13 20:12:23	C	19 30 21.94	-12 04 30.2	–	r	160
2004-09-13 20:12:43	C	19 30 21.94	-12 04 30.5	–	r	160
2004-09-13 20:13:07	C	19 30 21.93	-12 04 30.0	–	r	160

« Prev 1 2 … 18 19 20 … 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)