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JPL Small-Body Database Browser
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172339 (2002 VL57)
Classification: Main-belt Asteroid          SPK-ID: 2172339
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 .1302238926457076 4.6577e-08  
a 2.687140341061744 2.2257e-08 au
q 2.337210465763369 1.2673e-07 au
i 13.46446324750748 4.9863e-06 deg
node 62.31705356158466 2.4708e-05 deg
peri 65.82025982201068 3.2815e-05 deg
M 281.4847667300664 2.3902e-05 deg
tp 2459351.401621243294
(2021-May-16.90162124)
0.00010905 TDB
period 1608.918147301233
4.40
1.9989e-05
5.473e-08
d
yr
n .2237528370252127 2.7799e-09 deg/d
Q 3.037070216360119 2.5155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      456  
   data-arc span      7117 days (19.49 yr)  
   first obs. used      2000-05-27  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62528  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:59:47  

Additional Information
 Earth MOID = 1.38883 au 
 Jupiter MOID = 2.17876 au 
 T_jup = 3.322 
[ 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 15.5   n/a MPO502962  

172339 (2002 VL57)          Discovered 2002-Nov-06 by NEAT at Haleakala
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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