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4901 (1988 VJ)
Classification: Main-belt Asteroid          SPK-ID: 2004901
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1908731811150174 7.41e-08  
a 2.273837593276525 1.2456e-08 AU
q 1.83982297850892 1.6416e-07 AU
i 4.640399753594303 6.2663e-06 deg
node 227.1675522794179 6.7672e-05 deg
peri 94.43321413546121 7.1125e-05 deg
M 279.0427341219432 2.8074e-05 deg
tp 2457282.137786419869
(2015-Sep-16.63778642)
9.9289e-05 JED
period 1252.384230266283
3.43
1.0291e-05
2.818e-08
d
yr
n .2874517191289261 2.362e-09 deg/d
Q 2.70785220804413 1.4834e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1256  
   data-arc span      23315 days (63.83 yr)  
   first obs. used      1950-08-21  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52063  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:02:27  

Additional Information
 Earth MOID = .835295 AU 
 T_jup = 3.582 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5 mag n/a MPO298997  

4901 (1988 VJ)          Discovered 1988-Nov-03 by Arai and Mori at Yorii
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 VJ = 1950 QS = 1974 SF2 = 1977 KV1 = 1981 UW13 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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