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101401 (1998 VD)
Classification: Main-belt Asteroid          SPK-ID: 2101401
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 .2252913417995659 5.3782e-08  
a 2.361774680982831 8.1343e-09 au
q 1.829687294075968 1.2768e-07 au
i 3.313522491756506 5.7936e-06 deg
node 36.30020209747776 8.0098e-05 deg
peri 352.7952087324936 8.0904e-05 deg
M 349.8799751670095 1.0406e-05 deg
tp 2459037.767923733791
(2020-Jul-07.26792373)
3.838e-05 TDB
period 1325.733164253547
3.63
6.849e-06
1.875e-08
d
yr
n .2715478572211005 1.4029e-09 deg/d
Q 2.893862067889695 9.9668e-09 au
  Orbit Determination Parameters
   # obs. used (total)      610  
   data-arc span      8045 days (22.03 yr)  
   first obs. used      1998-10-18  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:48  

Additional Information
 Earth MOID = .834882 au 
 Jupiter MOID = 2.55289 au 
 T_jup = 3.514 
[ 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 16.1   n/a MPO439694  
diameter diameter 1.733 km 0.463 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.234   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101401 (1998 VD)          Discovered 1998-Nov-07 by Kagawa, T. at Gekko
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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