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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .190761836853353 7.406e-08  
a 2.273911305696215 1.2562e-08 AU
q 1.840135808179999 1.6399e-07 AU
i 4.640204149782507 6.2681e-06 deg
node 227.170424655728 6.7675e-05 deg
peri 94.43193040222799 7.1131e-05 deg
M 221.5404591695802 2.7755e-05 deg
tp 2457282.202715500448
(2015-Sep-16.70271550)
9.9344e-05 JED
period 1252.445129747693
3.43
1.0378e-05
2.841e-08
d
yr
n .2874377419412558 2.3819e-09 deg/d
Q 2.707686803212432 1.4958e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1247  
   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      .52244  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:10:32  

Additional Information
 Earth MOID = .833748 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 13.4 mag n/a MPO256900  

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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