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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1729873580542826 3.9135e-08  
a 2.689929847292626 1.346e-08 au
q 2.224605989658115 1.0385e-07 au
i 13.03378736328042 6.6698e-06 deg
node 45.48941042571462 1.8078e-05 deg
peri 241.1744850846254 2.682e-05 deg
M 98.71854445305817 1.8761e-05 deg
tp 2458758.618214474146
(2019-Oct-02.11821447)
8.3615e-05 TDB
period 1611.42411155536
4.41
1.2095e-05
3.311e-08
d
yr
n .223404873626053 1.6768e-09 deg/d
Q 3.155253704927138 1.5788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      8129 days (22.26 yr)  
   first obs. used      1998-10-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52603  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:49  

Additional Information
 Earth MOID = 1.23994 au 
 Jupiter MOID = 2.06904 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 15.43   n/a E2021B55  
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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