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3200 Phaethon (1983 TB)
Classification: Apollo [NEO, PHA]          SPK-ID: 2003200
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.

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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
5.708e-07 TDB
period 523.6068044421955
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
   # obs. used (total)      4362  
   # delay obs. used      8  
   # Doppler obs. used      0  
   data-arc span      13158 days (36.02 yr)  
   first obs. used      1983-10-27  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .30124  
   source      ORB  
   producer      Davide Farnocchia  
   solution date      2019-Nov-07 16:22:32  

Additional Information
 Earth MOID = .0194361 au 
 Jupiter MOID = 2.73739 au 
 T_jup = 4.510 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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)]
[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).]
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.DBLast Updated: 2003-08-29

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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