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90879 (1996 WB1)
Classification: Main-belt Asteroid          SPK-ID: 2090879
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2193889498104078 4.5296e-08  
a 2.468174621358002 1.0594e-08 au
q 1.926684383229569 1.1189e-07 au
i 2.667410942267358 4.7949e-06 deg
node 349.9678627847728 7.0867e-05 deg
peri 35.28940123807033 7.1508e-05 deg
M 55.92165322089473 7.1406e-06 deg
tp 2458780.491352209005
(2019-Oct-23.99135221)
2.8295e-05 TDB
period 1416.322813131074
3.88
9.1192e-06
2.497e-08
d
yr
n .254179341504883 1.6366e-09 deg/d
Q 3.009664859486435 1.2919e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      8558 days (23.43 yr)  
   first obs. used      1996-11-19  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:35:52  

Additional Information
 Earth MOID = .93133 au 
 Jupiter MOID = 2.45205 au 
 T_jup = 3.451 
[ 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 15.0   n/a MPO449559  
diameter diameter 6.150 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

90879 (1996 WB1)          Discovered 1996-Nov-19 by Kobayashi, T. at Oizumi
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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