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JPL Small-Body Database Browser
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441824 (2009 RO61)
Classification: Main-belt Asteroid          SPK-ID: 2441824
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2305289838128562 7.6362e-08  
a 3.172775692208521 7.7671e-08 au
q 2.441358936017559 2.7426e-07 au
i 16.13111305223297 1.4538e-05 deg
node 210.2121539259742 2.7999e-05 deg
peri 82.53993600897927 4.8507e-05 deg
M 292.7629440739622 4.2379e-05 deg
tp 2458986.034874593149
(2020-May-16.53487459)
0.00025198 TDB
period 2064.227128061771
5.65
7.58e-05
2.075e-07
d
yr
n .1743994132748493 6.4041e-09 deg/d
Q 3.904192448399483 9.5576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      4076 days (11.16 yr)  
   first obs. used      2008-04-01  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64413  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:27  

Additional Information
 Earth MOID = 1.48981 au 
 Jupiter MOID = 1.60536 au 
 T_jup = 3.100 
[ 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 15.9   n/a MPO434639  

441824 (2009 RO61)          Discovered 2008-Apr-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 RO61 = 2008 GR10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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