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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003661060043923 4.9072e-08  
a 1.524161896672828 3.1094e-09 au
q 1.371187702183508 7.3655e-08 au
i 31.29459671451497 1.089e-05 deg
node 221.2988553850348 6.5352e-06 deg
peri 310.5814824294667 4.2821e-05 deg
M 164.2024412610484 4.1125e-05 deg
tp 2458887.011086861698
(2020-Feb-07.51108686)
7.8579e-05 TDB
period 687.2979954687195
1.88
2.1032e-06
5.758e-09
d
yr
n .5237902661923076 1.6028e-09 deg/d
Q 1.677136091162149 3.4214e-09 au
  Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      8708 days (23.84 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-09-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54108  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:44  

Additional Information
 Earth MOID = .403698 au 
 Jupiter MOID = 3.34516 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 17.26   n/a E2021B55  
rotation period rot_per 7.70 h n/a LCDB (Rev. 2020-October); 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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