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390644 (2002 OR30)
Classification: Main-belt Asteroid          SPK-ID: 2390644
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2614923369188892 5.0689e-08  
a 2.606027292021067 2.2513e-08 au
q 1.924571125356074 1.2892e-07 au
i 14.31492300151669 6.4523e-06 deg
node 99.44972721518134 4.2646e-05 deg
peri 166.2009166676027 4.8938e-05 deg
M 111.4276119160018 2.7862e-05 deg
tp 2458524.883197957783
(2019-Feb-10.38319796)
0.00011475 TDB
period 1536.621361537135
4.21
1.9912e-05
5.452e-08
d
yr
n .2342802260928351 3.0358e-09 deg/d
Q 3.287483458686061 2.84e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      6219 days (17.03 yr)  
   first obs. used      2002-07-16  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54653  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:39:23  

Additional Information
 Earth MOID = .911309 au 
 Jupiter MOID = 1.84225 au 
 T_jup = 3.320 
[ 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 16.7   n/a MPO434440  
diameter diameter 2.700 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390644 (2002 OR30)          Discovered 2002-Jul-16 by NEAT at Palomar
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2002 OR30 = 2008 YN59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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