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65246 (2002 EH146)
Classification: Main-belt Asteroid          SPK-ID: 2065246
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2203700418689772 3.0977e-08  
a 3.137772576121822 2.3637e-08 au
q 2.446301502146528 1.0013e-07 au
i 9.244474511372731 5.3929e-06 deg
node 207.5699715996298 2.311e-05 deg
peri 84.2359040177498 2.6546e-05 deg
M 342.0892748579565 1.1862e-05 deg
tp 2459101.504631806188
(2020-Sep-09.00463181)
6.7197e-05 TDB
period 2030.161657992993
5.56
2.294e-05
6.281e-08
d
yr
n .1773257802316561 2.0037e-09 deg/d
Q 3.829243650097117 2.8845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      9815 days (26.87 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:22:55  

Additional Information
 Earth MOID = 1.4522 au 
 Jupiter MOID = 1.50904 au 
 T_jup = 3.154 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2187612554595512 3.1033e-08  
q 2.45182739314368 1.001e-07 au
tp 2457073.400285318296
(2015-Feb-19.90028532)
6.5473e-05 TDB
node 207.5881611513253 2.3098e-05 deg
peri 84.44198655704476 2.6584e-05 deg
i 9.244395264250748 5.3931e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1020  
   data-arc span      9815 days (26.87 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48061  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:22:55  

Additional Information
 Jupiter MOID = 1.50904 au 
 T_jup = 3.154 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.630410476453011E-16 -3.05146463016224E-15 1.962678977373296E-13 -2.032188475175827E-16 4.607684992435534E-14 -1.287279936906809E-15
q -3.05146463016224E-15 1.002097865123735E-14 -7.117292658831002E-13 1.81338485257006E-15 -1.63415146744683E-13 4.716303894863566E-15
tp 1.962678977373296E-13 -7.117292658831002E-13 4.286670815647184E-9 -1.259747275582966E-11 8.735787720282635E-10 -1.706964418712171E-12
node -2.032188475175827E-16 1.81338485257006E-15 -1.259747275582966E-11 5.335205279583952E-10 -5.287610552801616E-10 -1.40786909679016E-11
peri 4.607684992435534E-14 -1.63415146744683E-13 8.735787720282635E-10 -5.287610552801616E-10 7.066849576972656E-10 1.357958265765345E-11
i -1.287279936906809E-15 4.716303894863566E-15 -1.706964418712171E-12 -1.40786909679016E-11 1.357958265765345E-11 2.908540031712818E-11

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 14.23   n/a E2021B10  
diameter diameter 9.252 km 0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 28.0902 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.068   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

65246 (2002 EH146)          Discovered 2002-Mar-14 by NEAT at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 EH146 = 1997 BM9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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