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52585 (1997 ON2)
Classification: Main-belt Asteroid          SPK-ID: 2052585
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1510440695445587 4.0313e-08  
a 2.569713974711162 1.3182e-08 au
q 2.181573918405264 1.0697e-07 au
i 8.433541184165158 4.3709e-06 deg
node 263.0563577886612 4.2622e-05 deg
peri 4.327025269423692 4.7899e-05 deg
M 323.0662873701584 2.2606e-05 deg
tp 2459550.864016887625
(2021-Dec-02.36401689)
9.4558e-05 TDB
period 1504.615759495697
4.12
1.1578e-05
3.17e-08
d
yr
n .2392637440675628 1.8411e-09 deg/d
Q 2.957854031017059 1.5174e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      8718 days (23.87 yr)  
   first obs. used      1997-07-29  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:08:57  

Additional Information
 Earth MOID = 1.16569 au 
 Jupiter MOID = 2.13118 au 
 T_jup = 3.399 
[ 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 15.08   n/a MPCxxxxx  
diameter diameter 2.788 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.273   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52585 (1997 ON2)          Discovered 1997-Jul-29 by Antonini, P. at Bedoin
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 ON2 = 2001 MT25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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