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102790 (1999 VH157)
Classification: Main-belt Asteroid          SPK-ID: 2102790
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215440321291973 3.4183e-08  
a 2.353657491305473 8.118e-09 au
q 1.832218720430568 8.2262e-08 au
i 1.203761674232738 3.9122e-06 deg
node 282.8134672380372 0.00022668 deg
peri 122.8028170309284 0.000227 deg
M 234.3949889656505 1.1726e-05 deg
tp 2459460.669454914625
(2021-Sep-03.16945491)
4.4117e-05 TDB
period 1318.904416352954
3.61
6.8236e-06
1.868e-08
d
yr
n .2729538210172009 1.4122e-09 deg/d
Q 2.875096262180379 9.9165e-09 au
  Orbit Determination Parameters
   # obs. used (total)      538  
   data-arc span      9647 days (26.41 yr)  
   first obs. used      1992-11-25  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:10:59  

Additional Information
 Earth MOID = .842011 au 
 Jupiter MOID = 2.52398 au 
 T_jup = 3.522 
[ 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 16.8   n/a MPO436482  
rotation period rot_per 6.110 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

102790 (1999 VH157)          Discovered 1999-Nov-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 VH157 = 1999 TM129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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