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43857 (1993 VP2)
Classification: Main-belt Asteroid          SPK-ID: 2043857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1827992247721705 4.3275e-08  
a 2.780717314784539 1.6717e-08 au
q 2.272404345331374 1.2019e-07 au
i 22.64509009449095 6.2128e-06 deg
node 231.8321069729272 1.0328e-05 deg
peri 120.5990614599924 1.8376e-05 deg
M 310.215141847012 1.6576e-05 deg
tp 2459234.722418943213
(2021-Jan-20.22241894)
7.9059e-05 TDB
period 1693.689084348552
4.64
1.5273e-05
4.182e-08
d
yr
n .2125537699491449 1.9167e-09 deg/d
Q 3.289030284237704 1.9772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1364  
   data-arc span      9410 days (25.76 yr)  
   first obs. used      1993-10-18  
   last obs. used      2019-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4846  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 07:34:24  

Additional Information
 Earth MOID = 1.34763 au 
 Jupiter MOID = 2.3949 au 
 T_jup = 3.198 
[ 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 13.1   n/a MPO395416  
diameter diameter 13.236 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43857 (1993 VP2)          Discovered 1993-Nov-15 by Seki, T. at Geisei
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 VP2 = 2001 HF38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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