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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2254220805318291 4.1927e-08  
a 2.362214954273838 7.3355e-09 au
q 1.82971954461803 9.7704e-08 au
i 3.313346169391587 4.6106e-06 deg
node 36.29868963542588 7.0413e-05 deg
peri 352.8157832837286 7.1276e-05 deg
M 44.16479252783992 9.5974e-06 deg
tp 2459037.813602430564
(2020-Jul-07.31360243)		 3.5214e-05 TDB
period 1326.103888930951
3.63		 6.177e-06
1.691e-08		 d
yr
n .2714719434917101 1.2645e-09 deg/d
Q 2.894710363929645 8.9891e-09 au
   Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1998-10-18  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:37  

Additional Information
 Earth MOID = .833723 au 
 Jupiter MOID = 2.55316 au 
 T_jup = 3.513 
[ 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 16.22   n/a E2021B55  
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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