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101443 (1998 VA43)
Classification: Main-belt Asteroid          SPK-ID: 2101443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730962816689169 4.0163e-08  
a 2.689775656244952 1.379e-08 au
q 2.22418549162538 1.072e-07 au
i 13.03437926222978 6.6936e-06 deg
node 45.48850677436236 1.9396e-05 deg
peri 241.14730356892 2.7922e-05 deg
M 54.05075789226461 1.8789e-05 deg
tp 2458758.579984250920
(2019-Oct-02.07998425)
8.391e-05 TDB
period 1611.28555945989
4.41
1.2391e-05
3.392e-08
d
yr
n .2234240838853379 1.7182e-09 deg/d
Q 3.155365820864524 1.6177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      8044 days (22.02 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53178  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:00:35  

Additional Information
 Earth MOID = 1.24128 au 
 Jupiter MOID = 2.06979 au 
 T_jup = 3.314 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO251035  
diameter diameter 2.558 km 0.585 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101443 (1998 VA43)          Discovered 1998-Nov-15 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 VA43 = 2001 FH149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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