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JPL Small-Body Database Browser
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173228 (1998 VM42)
Classification: Main-belt Asteroid          SPK-ID: 2173228
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07654077848996037 5.5413e-08  
a 2.596802730928403 1.9079e-08 au
q 2.398041428318288 1.4212e-07 au
i 2.221349046556544 6.1086e-06 deg
node 39.4576793922453 0.00015855 deg
peri 338.6420662376422 0.00016327 deg
M 339.2995581931489 3.9677e-05 deg
tp 2458688.388890002645
(2019-Jul-23.88889000)
0.00016864 TDB
period 1528.469812198908
4.18
1.6845e-05
4.612e-08
d
yr
n .2355296762335737 2.5957e-09 deg/d
Q 2.795564033538518 2.0539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      7660 days (20.97 yr)  
   first obs. used      1998-11-15  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61867  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 14:33:36  

Additional Information
 Earth MOID = 1.39903 au 
 Jupiter MOID = 2.55497 au 
 T_jup = 3.411 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO264383  

173228 (1998 VM42)          Discovered 1998-Nov-15 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1998 VM42 = 2002 SG18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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