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71004 (1999 XF38)
Classification: Main-belt Asteroid          SPK-ID: 2071004
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550607659022814 6.0104e-08  
a 2.530665234031743 9.6847e-09 au
q 2.138258344600505 1.5449e-07 au
i 4.156556390665639 3.2171e-06 deg
node 324.8098734574365 8.3154e-05 deg
peri 113.9097747987587 8.4282e-05 deg
M 26.54224481253078 1.422e-05 deg
tp 2458892.085935928399
(2020-Feb-12.58593593)
5.788e-05 TDB
period 1470.450722666478
4.03
8.441e-06
2.311e-08
d
yr
n .2448228930427436 1.4054e-09 deg/d
Q 2.923072123462981 1.1186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1222  
   data-arc span      7413 days (20.30 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46763  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:19:13  

Additional Information
 Earth MOID = 1.15788 au 
 Jupiter MOID = 2.31691 au 
 T_jup = 3.430 
[ show covariance matrix ]

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 14.7   n/a MPO453115  

71004 (1999 XF38)          Discovered 1999-Dec-03 by Shimizu, Y., Urata, T. at Nachi-Katsuura
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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