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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 438 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8898360011229091 2.0572e-08  
a 1.271171408040498 2.0796e-09 AU
q .1400373255679636 2.622e-08 AU
i 22.23995071429754 6.6526e-06 deg
node 265.2652193934535 1.0018e-05 deg
peri 322.1437268746986 9.4526e-06 deg
M 293.7610538046774 7.1e-06 deg
tp 2457096.819787221858
(2015-Mar-15.31978722)
1.0525e-05 JED
period 523.4854325372328
1.43
1.2846e-06
3.517e-09
d
yr
n .6876982197100491 1.6876e-09 deg/d
Q 2.402305490513033 3.9301e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      3016  
   # delay obs. used      1  
   # Doppler obs. used      0  
   data-arc span      11626 days (31.83 yr)  
   first obs. used      1983-10-12  
   last obs. used      2015-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50261  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Aug-11 06:17:40  

Additional Information
 Earth MOID = .0197884 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 LCDB (Rev. 2015-July); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2004) http://www.asu.cas.cz/~ppravec/neo.htm]
[Warner, B.D. (2015) Minor Planet Bul. 42, 115-127.]
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: 2013-09-05

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