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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100298288222424 4.9503e-08  
a 1.524184853680533 3.1145e-09 au
q 1.37131172192183 7.4296e-08 au
i 31.29578113435046 1.1236e-05 deg
node 221.3085387408386 7.3329e-06 deg
peri 310.5571726115322 4.3469e-05 deg
M 59.46905183123258 4.2129e-05 deg
tp 2458886.961434540101
(2020-Feb-07.46143454)
8.0448e-05 TDB
period 687.3135237057381
1.88
2.1067e-06
5.768e-09
d
yr
n .5237784323797593 1.6054e-09 deg/d
Q 1.677057985439236 3.4269e-09 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      8708 days (23.84 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:40  

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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