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173227 (1998 VJ38)
Classification: Main-belt Asteroid          SPK-ID: 2173227
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2735954997213315 4.0722e-08  
a 2.628525194689116 1.0388e-08 au
q 1.909372530518037 1.1002e-07 au
i 4.107301086127929 5.0043e-06 deg
node .822512575757148 5.0034e-05 deg
peri 30.1878431448389 5.0826e-05 deg
M 28.94200925288144 7.5905e-06 deg
tp 2458875.360959609604
(2020-Jan-26.86095961)
3.2617e-05 TDB
period 1556.56278549691
4.26
9.2278e-06
2.526e-08
d
yr
n .2312788172467295 1.3711e-09 deg/d
Q 3.347677858860195 1.3231e-08 au
  Orbit Determination Parameters
   # obs. used (total)      652  
   data-arc span      7817 days (21.40 yr)  
   first obs. used      1998-08-31  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56816  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:01:00  

Additional Information
 Earth MOID = .916187 au 
 Jupiter MOID = 2.11319 au 
 T_jup = 3.343 
[ 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 15.9   n/a MPO449897  

173227 (1998 VJ38)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1998 VJ38 = 2002 PQ85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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