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JPL Small-Body Database Browser
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39382 Opportunity (2696 P-L)
Classification: Outer Main-belt Asteroid          SPK-ID: 2039382
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2001829379346523 4.4726e-08  
a 3.96469667545886 5.0235e-08 au
q 3.171032046945756 1.7914e-07 au
i 2.900946491857884 5.2139e-06 deg
node 128.9792719997497 0.00013158 deg
peri 297.6602524015858 0.00013289 deg
M 131.6774769208712 1.7289e-05 deg
tp 2457545.815963991687
(2016-Jun-06.31596399)
0.00013406 TDB
period 2883.456319497655
7.89
5.4802e-05
1.5e-07
d
yr
n .1248501659503959 2.3729e-09 deg/d
Q 4.758361303971962 6.0291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      21413 days (58.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53217  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:08:33  

Additional Information
 Earth MOID = 2.18611 au 
 Jupiter MOID = .588803 au 
 T_jup = 3.021 
[ show covariance matrix ]

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 14.4   n/a MPO436045  
diameter diameter 7.453 km 0.733 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.061   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

39382 Opportunity           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Opportunity is one of NASA's successful 2004 Mars Exploration Rovers. It explored rock layers in the walls of craters at Meridiani Planum.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

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