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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 382 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8898360036175516 2.1224e-08  
a 1.271171406986394 2.236e-09 AU
q .140037322280721 2.7063e-08 AU
i 22.23995352076638 6.8348e-06 deg
node 265.2652140323395 1.1175e-05 deg
peri 322.1437321734273 1.0496e-05 deg
M 293.7610572031305 8.0474e-06 deg
tp 2457096.819782160270
(2015-Mar-15.31978216)
1.1922e-05 JED
period 523.4854318860913
1.43
1.3812e-06
3.782e-09
d
yr
n .6876982205654479 1.8145e-09 deg/d
Q 2.402305491692066 4.2257e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      2635  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      11363 days (31.11 yr)  
   first obs. used      1983-10-12  
   last obs. used      2014-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51309  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-21 05:20:53  

Additional Information
 Earth MOID = .0197883 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. 2014-Mar-01) 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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