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JPL Small-Body Database Browser
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65235 (2002 EG97)
Classification: Main-belt Asteroid          SPK-ID: 2065235
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2514528737380095 4.3982e-08  
a 2.314886158105408 9.8685e-09 au
q 1.732801381273463 1.0324e-07 au
i 22.66075890333563 6.2678e-06 deg
node 192.3124030077039 1.0392e-05 deg
peri 46.27293348246602 1.568e-05 deg
M 20.85899733157598 1.5067e-05 deg
tp 2458925.960957143767
(2020-Mar-17.46095714)
5.36e-05 TDB
period 1286.449919029565
3.52
8.2263e-06
2.252e-08
d
yr
n .2798398870214601 1.7895e-09 deg/d
Q 2.896970934937353 1.235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      9146 days (25.04 yr)  
   first obs. used      1995-04-05  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:49:38  

Additional Information
 Earth MOID = .781134 au 
 Jupiter MOID = 2.20368 au 
 T_jup = 3.439 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456743.5 (2014-Mar-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2515078850670884 4.3878e-08  
q 1.732254495275956 1.0302e-07 au
tp 2456353.465641309692
(2013-Mar-01.96564131)
4.7236e-05 TDB
node 192.3471808877318 1.0394e-05 deg
peri 46.2277213328088 1.569e-05 deg
i 22.65905925698718 6.2675e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      9146 days (25.04 yr)  
   first obs. used      1995-04-05  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 12:49:38  

Additional Information
 Jupiter MOID = 2.20368 au 
 T_jup = 3.439 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.925287064789669E-15 -4.508997217822679E-15 -9.829329935534324E-13 -8.260053953016613E-15 -2.338973075180196E-13 5.723947053751999E-15
q -4.508997217822679E-15 1.06140347310769E-14 2.355915918938994E-12 1.947155922690275E-14 5.639866872566773E-13 -1.220084580240709E-14
tp -9.829329935534324E-13 2.355915918938994E-12 2.231241215173982E-9 5.837446593220803E-12 5.645984296179287E-10 -5.590338152926217E-12
node -8.260053953016613E-15 1.947155922690275E-14 5.837446593220803E-12 1.080413529118235E-10 -9.784226097359823E-11 1.250081207395577E-12
peri -2.338973075180196E-13 5.639866872566773E-13 5.645984296179287E-10 -9.784226097359823E-11 2.461887576731114E-10 -2.355503194073322E-12
i 5.723947053751999E-15 -1.220084580240709E-14 -5.590338152926217E-12 1.250081207395577E-12 -2.355503194073322E-12 3.928146102120254E-11

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 MPO432204  
diameter diameter 2.111 km 0.458 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.32 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.250   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65235 (2002 EG97)          Discovered 2002-Mar-11 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 EG97 = 1996 TA38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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