1865 Cerberus (1971 UA) |
Classification: Apollo [NEO] SPK-ID: 2001865 |
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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 348 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .4669326020875426 | 3.7637e-08 | |
a | 1.079991843359815 | 1.1508e-09 | au |
q | .5757084417064947 | 4.0534e-08 | au |
i | 16.09661370719467 | 3.7332e-06 | deg |
node | 212.9105593902926 | 9.7751e-06 | deg |
peri | 325.2557870145037 | 1.0669e-05 | deg |
M | 178.9424990119247 | 8.971e-06 | deg |
tp | 2458996.730050649933 (2020-May-27.23005065) | 1.0076e-05 | TDB |
period | 409.9483474919819 1.12 | 6.5522e-07 1.794e-09 | d yr |
n | .8781594125270651 | 1.4036e-09 | deg/d |
Q | 1.584275245013135 | 1.6881e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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Orbital Elements at Epoch 2457820.5 (2017-Mar-08.0) TDB
Reference: JPL 348 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .4669759455100542 | 3.7681e-08 | |
q | .5756709237932007 | 4.0582e-08 | au |
tp | 2457766.825616226509 (2017-Jan-13.32561623) | 9.3845e-06 | TDB |
node | 212.9287695722075 | 9.7763e-06 | deg |
peri | 325.2524565680501 | 1.0664e-05 | deg |
i | 16.09512229448567 | 3.7328e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
1.419845930024282E-15 |
-1.528980848722565E-15 |
1.451975056983301E-13 |
-2.736277773898981E-14 |
8.648979640066377E-14 |
1.407653175272429E-14 |
q |
-1.528980848722565E-15 |
1.646872421339422E-15 |
-1.553012210747903E-13 |
2.889659719005538E-14 |
-9.23823296478163E-14 |
-1.490323620233115E-14 |
tp |
1.451975056983301E-13 |
-1.553012210747903E-13 |
8.806870183694312E-11 |
-5.751285287980819E-12 |
4.60328492224164E-11 |
-1.189596917769499E-12 |
node |
-2.736277773898981E-14 |
2.889659719005538E-14 |
-5.751285287980819E-12 |
9.557640002788252E-11 |
-9.282505698544454E-11 |
-1.355260422669586E-11 |
peri |
8.648979640066377E-14 |
-9.23823296478163E-14 |
4.60328492224164E-11 |
-9.282505698544454E-11 |
1.13724013253203E-10 |
1.189585347255844E-11 |
i |
1.407653175272429E-14 |
-1.490323620233115E-14 |
-1.189596917769499E-12 |
-1.355260422669586E-11 |
1.189585347255844E-11 |
1.393361477179776E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
16.73 |
|
n/a |
E2021B10 |
|
diameter |
diameter |
1.2 |
km |
n/a |
Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 |
|
rotation period |
rot_per |
6.8039 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.] [Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.] [Pravec, P.; Wolf, M.; Sarounova, L. (1999) http://www.asu.cas.cz/~ppravec/neo.htm] [Sarneczky, K.; Szabo, G.; Kiss, L.L. (1999) Astron. Astrophys. Suppl. Ser. 137, 363-368.] [Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm] [Durech, J.; Vokrouhlicky, D.; Baransky, A.R.; Breiter, S.; et al. (2012) Astron. Astrophys. 547, A10.] [Skiff, B.A.; Bowell, E.; Koehn, B.W.; Sanborn, J.J.; McLelland, K.P.; Warner, B.D. (2012) Minor Planet Bull. 39, 111-130.] [Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2015) Icarus 256, 101-116.] [Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.] [Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 27-40.] [Warner, B.D.; Stephens, R.D. (2020) Minor Planet Bull. 47, 23-34.] |
geometric albedo |
albedo |
0.22 |
|
n/a |
Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 |
|
B-V |
BV |
0.790 |
|
0.021 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=8.30, mean=9.85, max.=11.41) deg. |
U-B |
UB |
0.442 |
|
0.081 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=8.30, mean=9.85, max.=11.41) deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
SMASSII spectral type |
spec_B |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
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1865 Cerberus (1971 UA) Discovered 1971-Oct-26 by Kohoutek, L. at Bergedorf |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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