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101429 (1998 VF31)
Classification: Mars-crossing Asteroid          SPK-ID: 2101429
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002982873245776 5.0064e-08  
a 1.524184853675133 3.1157e-09 au
q 1.371311723285455 7.5175e-08 au
i 31.29577957357909 1.1839e-05 deg
node 221.3085384137431 7.4451e-06 deg
peri 310.5571706236629 4.4192e-05 deg
M 59.4690541045352 4.2883e-05 deg
tp 2458886.961430200505
(2020-Feb-07.46143020)
8.1889e-05 TDB
period 687.3135237020854
1.88
2.1075e-06
5.77e-09
d
yr
n .5237784323825428 1.6061e-09 deg/d
Q 1.677057984064811 3.4282e-09 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      8669 days (23.73 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54759  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:06:55  

Additional Information
 Earth MOID = .404831 au 
 Jupiter MOID = 3.3464 au 
 T_jup = 4.334 
[ 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 17.2   n/a MPO375717  
rotation period rot_per 7.70 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Borisov, G.; Christou, A.; Unda-Sanzana, E. (2016) Minor Planet Bull. 43, 216-217.]

101429 (1998 VF31)          Discovered 1998-Nov-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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