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85342 (1995 SP52)
Classification: Main-belt Asteroid          SPK-ID: 2085342
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663091058382351 4.5871e-08  
a 2.309609881065722 1.0029e-08 au
q 1.92550072691053 1.0618e-07 au
i 3.012293620291147 5.4475e-06 deg
node 10.02324922774813 9.489e-05 deg
peri 94.59909924809841 9.6843e-05 deg
M 299.682545692714 2.0629e-05 deg
tp 2459215.306230162474
(2020-Dec-31.80623016)
7.435e-05 TDB
period 1282.054154085042
3.51
8.3503e-06
2.286e-08
d
yr
n .2807993709570868 1.8289e-09 deg/d
Q 2.693719035220915 1.1696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      8737 days (23.92 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5973  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:44  

Additional Information
 Earth MOID = .945117 au 
 Jupiter MOID = 2.43908 au 
 T_jup = 3.565 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456473.5 (2013-Jun-30.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1656075021835572 4.564e-08  
q 1.927431596016425 1.0563e-07 au
tp 2456649.267939980078
(2013-Dec-22.76793998)
6.55e-05 TDB
node 10.16264002127401 9.4738e-05 deg
peri 94.30504098816331 9.6737e-05 deg
i 3.015213150808724 5.4487e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      8737 days (23.92 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5973  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:44  

Additional Information
 Jupiter MOID = 2.43908 au 
 T_jup = 3.565 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.08301265000201E-15 -4.805541792464226E-15 8.400987029498652E-13 2.191982083012747E-15 2.850695413690011E-13 -4.12926905893342E-15
q -4.805541792464226E-15 1.115680753516999E-14 -1.682145054296078E-12 -4.203256220993012E-15 -5.880651651642942E-13 9.588383111385244E-15
tp 8.400987029498652E-13 -1.682145054296078E-12 4.29029492638771E-9 1.468815751299068E-11 1.300326275925102E-9 -2.831594758978121E-12
node 2.191982083012747E-15 -4.203256220993012E-15 1.468815751299068E-11 8.975350185361544E-9 -8.957785592801243E-9 -1.14021327176532E-10
peri 2.850695413690011E-13 -5.880651651642942E-13 1.300326275925102E-9 -8.957785592801243E-9 9.358139924629505E-9 1.129484153226835E-10
i -4.12926905893342E-15 9.588383111385244E-15 -2.831594758978121E-12 -1.14021327176532E-10 1.129484153226835E-10 2.968792968359426E-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 16.7   n/a MPO432397  

85342 (1995 SP52)          Discovered 1995-Sep-29 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1995 SP52 = 1995 TW3 = 2000 AB230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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