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187855 (2000 GP4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2187855
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05381372691005146 5.9712e-08  
a 1.914963603632978 6.8882e-09 au
q 1.811912275224385 1.1757e-07 au
i 21.2862129364957 6.3599e-06 deg
node 33.29837025454098 1.2256e-05 deg
peri 187.2511385421213 4.6736e-05 deg
M 275.0119734171279 4.5239e-05 deg
tp 2459429.004342196527
(2021-Aug-02.50434220)
0.00012192 TDB
period 967.919441105463
2.65
5.2225e-06
1.43e-08
d
yr
n .3719317793522601 2.0068e-09 deg/d
Q 2.018014932041571 7.2589e-09 au
  Orbit Determination Parameters
   # obs. used (total)      349  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      2000-04-04  
   last obs. used      2021-03-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:06  

Additional Information
 Earth MOID = .804967 au 
 Jupiter MOID = 2.9463 au 
 T_jup = 3.846 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO436930  

187855 (2000 GP4)          Discovered 2000-Apr-04 by LINEAR at Socorro
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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