| 3200 Phaethon (1983 TB) |
| Classification: Apollo [NEO, PHA] SPK-ID: 2003200 |
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 712 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .8898311206936256 | 1.3405e-09 | |
| a | 1.271367884101982 | 7.1837e-10 | au |
| q | .1400651749776319 | 1.6686e-09 | au |
| i | 22.25951171307781 | 2.5659e-07 | deg |
| node | 265.2176958865816 | 8.935e-07 | deg |
| peri | 322.1867098330639 | 8.868e-07 | deg |
| M | 228.9572432413808 | 2.8797e-07 | deg |
| tp | 2459191.096886421324
(2020-Dec-07.59688642) | 5.708e-07 | TDB |
| period | 523.6068044421955
1.43 | 4.4378e-07
1.215e-09 | d
yr |
| n | .6875388114627582 | 5.8272e-10 | deg/d |
| Q | 2.402670593226332 | 1.3576e-09 | au |
|
Additional Model Parameters
| Parameter | Value | Uncertainty (1-sigma) |
| A2 [EST] | -5.444804809526769E-15 | 5.919E-16 |
| ALN [SET] | 1. | n/a |
| NK [SET] | 0. | n/a |
| NM [SET] | 2. | n/a |
| NN [SET] | 0. | n/a |
| R0 [SET] | 1. | n/a |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
14.3 |
|
n/a |
MPO502184 |
|
| diameter |
diameter |
6.25 |
km |
0.15 |
Taylor et al, "Arecibo Radar Observations of near-Earth asteroid (3200) Phaethon during the 2017 apparition", Planetary and Space Science. 10.1016/j.pss.2019.01.009 |
Delay-depth and 5% bandwidth variations suggest slightly oblong equatorial dimensions of 6.1 x 6.4 km. Thermophysical modeling by Hanus et al. (2016) found effective diameter of 5.1 +/- 0.2km. |
| rotation period |
rot_per |
3.604 |
h |
n/a |
LCDB (Rev. 2019-August); Warner et al., 2009 |
Published Reference List:
[Meech, K.J.; Hainaut, O.R.; Buie, M.W. (1996) Abstracts of ACM 1996, 42.]
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) Icarus 136, 124-153.]
[Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2004) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pan, S.K-S.; Abe, S.; Kinos, D. (2012) ACM 2012, #6294.]
[Ansdell, M.; Meech, K.J.; Hainaut, O.; Buie, M.W.; et al. (2014) Astrophys. J. 793, A50.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 115-127.]
[Hanus, J.; Delbo, M.; Vokrouhlicky, D.; Pravec, P.; et al. (2016). Astron. Astrophys. 586, A108.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 98-107.]
[Hanus, J.; Vokrouhlicky, D.; Delbo, M.; Farnocchia, D.; et al. (2018) Astron. Astrophys. 620, L8.]
[Kim, M.-J.; Lee, H.-J.; Lee, S.-M.; Kim, D.-H; et al. (2018) Astron. Astrophys. 619, A123.]
[Schmidt, R.E. (2018) Minor Planet Bull. 45, 131.]
[Warner, B.D; Stephens, R.D. (2018) (3200 Phaethon). http://www.planetarysciences.org/PHP/CS3_Lightcurves.php] |
| geometric albedo |
albedo |
0.1066 |
|
0.011 |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 18 |
| Tholen spectral type |
spec_T |
F |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 4 color indices |
| SMASSII spectral type |
spec_B |
B |
|
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) |
|
| 3200 Phaethon (1983 TB) Discovered 1983-Oct-11 by IRAS |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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