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85746 (1998 SP130)
Classification: Main-belt Asteroid          SPK-ID: 2085746
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375222141792009 4.649e-08  
a 2.273052714177649 9.1753e-09 au
q 1.960457471977897 1.0644e-07 au
i 5.658305037055563 4.9022e-06 deg
node 205.7444556612016 3.5387e-05 deg
peri 142.6841532418079 3.7606e-05 deg
M 137.5280146511322 1.2581e-05 deg
tp 2458522.309040800822
(2019-Feb-07.80904080)
4.3071e-05 TDB
period 1251.735842681903
3.43
7.579e-06
2.075e-08
d
yr
n .2876006164596862 1.7414e-09 deg/d
Q 2.585647956377402 1.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7810 days (21.38 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:10  

Additional Information
 Earth MOID = .957981 au 
 Jupiter MOID = 2.83612 au 
 T_jup = 3.592 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456640.5 (2013-Dec-14.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384070903836726 4.6627e-08  
q 1.95780452711814 1.0681e-07 au
tp 2456018.970001832236
(2012-Apr-01.47000183)
4.2138e-05 TDB
node 205.7739907708238 3.5387e-05 deg
peri 142.5545901578944 3.7561e-05 deg
i 5.658200435379704 4.9048e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      866  
   data-arc span      7810 days (21.38 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56642  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:10  

Additional Information
 Jupiter MOID = 2.83612 au 
 T_jup = 3.592 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.174056924601889E-15 -4.96648109748906E-15 2.880115357853847E-13 2.157172445202474E-15 3.994643243556179E-14 -9.330481012649373E-16
q -4.96648109748906E-15 1.140732370938927E-14 -7.054659109921742E-13 -5.385323356340774E-15 -9.752439143537927E-14 2.304230854228677E-15
tp 2.880115357853847E-13 -7.054659109921742E-13 1.775593952895082E-9 5.073750393960687E-12 5.352404941835609E-10 -1.556740680410614E-12
node 2.157172445202474E-15 -5.385323356340774E-15 5.073750393960687E-12 1.252212017604363E-9 -1.244259320785337E-9 -4.870131459910193E-11
peri 3.994643243556179E-14 -9.752439143537927E-14 5.352404941835609E-10 -1.244259320785337E-9 1.410819008736329E-9 4.805930214770722E-11
i -9.330481012649373E-16 2.304230854228677E-15 -1.556740680410614E-12 -4.870131459910193E-11 4.805930214770722E-11 2.405746217801403E-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 15.7   n/a MPO453288  

85746 (1998 SP130)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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