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78338 (2002 PR88)
Classification: Main-belt Asteroid          SPK-ID: 2078338
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1899533315975895 4.1889e-08  
a 2.570052924638548 1.0756e-08 au
q 2.081862809221327 1.1013e-07 au
i 4.438092980435989 4.1459e-06 deg
node 55.06204208723553 4.7218e-05 deg
peri 33.01791185963411 4.8086e-05 deg
M 72.81329585712291 8.554e-06 deg
tp 2458896.117474664275
(2020-Feb-16.61747466)
3.5349e-05 TDB
period 1504.913461627649
4.12
9.4474e-06
2.587e-08
d
yr
n .2392164128897084 1.5017e-09 deg/d
Q 3.058243040055769 1.2799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      8212 days (22.48 yr)  
   first obs. used      1998-09-27  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51759  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:30:14  

Additional Information
 Earth MOID = 1.09953 au 
 Jupiter MOID = 2.16597 au 
 T_jup = 3.400 
[ 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 15.60   n/a MPCxxxxx  

78338 (2002 PR88)          Discovered 2002-Aug-13 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 PR88 = 2000 EG174 = 2000 EL185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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