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187661 (2007 JG43)
Classification: Centaur          SPK-ID: 2187661
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4064881312471629 2.8246e-05  
a 24.15340245380365 0.001243 au
q 14.33533102709637 5.6706e-05 au
i 33.10884065183586 6.6821e-05 deg
node 62.50603630772563 5.6752e-05 deg
peri 174.5704594482387 0.00087597 deg
M 41.21466639908422 0.0034905 deg
tp 2454236.689518763802
(2007-May-16.18951876)
0.040737 TDB
period 43357.66680583244
118.71
3.3471
0.009164
d
yr
n .008303029810441117 6.4097e-07 deg/d
Q 33.97147388051094 0.0017483 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      2002-04-10  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .37793  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:48:42  

Additional Information
 Earth MOID = 13.3234 au 
 Jupiter MOID = 8.95609 au 
 T_jup = 3.513 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.2   n/a MPO542755  

187661 (2007 JG43)          Discovered 2007-May-10 by Schwamb, M. E., Brown, M. E., Rabinowitz, D. at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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