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JPL Small-Body Database Browser
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2252 CERGA (1978 VT)
Classification: Main-belt Asteroid          SPK-ID: 2002252
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07108557958568683 4.4665e-08  
a 2.616017107078571 1.1116e-08 au
q 2.430056014815819 1.1523e-07 au
i 4.219474254658872 4.9361e-06 deg
node 358.2027721461632 5.28e-05 deg
peri 24.91176043377902 6.056e-05 deg
M 319.9796055018414 3.1599e-05 deg
tp 2459172.305934441727
(2020-Nov-18.80593444)
0.0001361 TDB
period 1545.465435176243
4.23
9.8509e-06
2.697e-08
d
yr
n .2329395351109525 1.4848e-09 deg/d
Q 2.801978199341323 1.1907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2785  
   data-arc span      25467 days (69.72 yr)  
   first obs. used      1949-12-28  
   last obs. used      2019-09-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42944  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:28:25  

Additional Information
 Earth MOID = 1.43344 au 
 Jupiter MOID = 2.51533 au 
 T_jup = 3.400 
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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 12.5   n/a MPO298974  
diameter diameter 18.456 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2252 CERGA           Discovered 1978 Nov. 1 by K. Tomita at Caussols.
Named for the Centre d´Etudes et de Recherches Geodynamiques et Astronomiques, which operates the 0.9-m Schmidt telescope at Caussols-Cipieres with which this minor planet was discovered.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5451Last Updated: 2006-03-21

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Alternate Designations
 1978 VT = 1949 YX = 1950 BR = 1961 VO = 1969 QU = 1969 RF1 = 1971 BV1 = 1974 YD = 1975 AA1 = 1976 GB5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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