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

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 371 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8898567855068311 2.0587e-08  
a 1.271120775425889 1.8646e-09 AU
q .1400053282144568 2.6236e-08 AU
i 22.24120293544042 6.6093e-06 deg
node 265.2630422610986 9.5135e-06 deg
peri 322.148301733701 9.1063e-06 deg
M 156.2022068778405 6.4466e-06 deg
tp 2456573.375848953896
(2013-Oct-07.87584895)
8.9609e-06 JED
period 523.4541560641479
1.43
1.1518e-06
3.153e-09
d
yr
n .6877393097933163 1.5132e-09 deg/d
Q 2.402236222637321 3.5238e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2602  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      11049 days (30.25 yr)  
   first obs. used      1983-10-11  
   last obs. used      2014-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51581  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 17:56:59  

Additional Information
 Earth MOID = .0198898 AU 
 T_jup = 4.511 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO250234  
diameter diameter 5.10 km 0.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 18
rotation period rot_per 3.604 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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.]
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 at (500)
Reference: DISCOVERY.DBLast Updated: 2013-09-05

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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