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249477 (2009 OJ1)
Classification: Main-belt Asteroid          SPK-ID: 2249477
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08023348483461541 6.0773e-08  
a 2.932813336273426 3.395e-08 au
q 2.697503501934774 1.8549e-07 au
i 3.117477970361191 6.6911e-06 deg
node 216.908979815078 0.00011722 deg
peri 167.2492237758415 0.00012471 deg
M 341.4608693735153 4.339e-05 deg
tp 2459094.973917481675
(2020-Sep-02.47391748)
0.00022165 TDB
period 1834.531024060853
5.02
3.1855e-05
8.721e-08
d
yr
n .1962354385281077 3.4075e-09 deg/d
Q 3.168123170612077 3.6674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6820 days (18.67 yr)  
   first obs. used      2000-11-01  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6102  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:47  

Additional Information
 Earth MOID = 1.70111 au 
 Jupiter MOID = 2.24024 au 
 T_jup = 3.269 
[ 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 16.3   n/a MPO440260  
diameter diameter 3.192 km 0.571 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.044   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249477 (2009 OJ1)          Discovered 2009-Jul-18 by Hug, G. at Sandlot
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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