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3978 Klepesta (1983 VP1)
Classification: Main-belt Asteroid          SPK-ID: 2003978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .004281419057950239 3.9727e-08  
a 2.881567354649474 1.7627e-08 au
q 2.86923015726051 1.1641e-07 au
i 12.16570223807115 4.7234e-06 deg
node 242.4010562148594 2.2375e-05 deg
peri 216.5630354990436 0.00066687 deg
M 125.311990735341 0.00066436 deg
tp 2458378.584016508774
(2018-Sep-17.08401651)
0.0032982 TDB
period 1786.658664849532
4.89
1.6394e-05
4.488e-08
d
yr
n .201493439727794 1.8489e-09 deg/d
Q 2.893904552038438 1.7703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2311  
   data-arc span      20121 days (55.09 yr)  
   first obs. used      1965-01-01  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37536  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:00:50  

Additional Information
 Earth MOID = 1.87872 au 
 Jupiter MOID = 2.13828 au 
 T_jup = 3.261 
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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 11.9   n/a MPO473820  
diameter diameter 29.223 km 0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.054   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3978 Klepesta (1983 VP1)          Discovered 1983-Nov-07 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1983 VP1 = 1965 AN = 1976 JF7 = 1978 TX5 = 1985 BE2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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