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90776 (1993 VW2)
Classification: Main-belt Asteroid          SPK-ID: 2090776
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052742487767515 3.143e-08  
a 2.353668934319516 9.5866e-09 au
q 1.8705213119579 7.3278e-08 au
i 6.030252642370414 3.678e-06 deg
node 62.71380588142986 4.215e-05 deg
peri 10.69140741192087 4.351e-05 deg
M 109.6218193605962 1.2175e-05 deg
tp 2458598.884010920862
(2019-Apr-25.38401092)
4.3518e-05 TDB
period 1318.914034740606
3.61
8.058e-06
2.206e-08
d
yr
n .2729518304586107 1.6676e-09 deg/d
Q 2.836816556681132 1.1554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      13684 days (37.46 yr)  
   first obs. used      1982-11-07  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:34:42  

Additional Information
 Earth MOID = .885672 au 
 Jupiter MOID = 2.44925 au 
 T_jup = 3.520 
[ 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 15.8   n/a MPO417446  
diameter diameter 3.709 km 1.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.063   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

90776 (1993 VW2)          Discovered 1993-Nov-11 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1993 VW2 = 2000 SR234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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