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312017 (2007 RQ36)
Classification: Main-belt Asteroid          SPK-ID: 2312017
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1880246758201304 4.2935e-08  
a 2.351332999601988 1.3497e-08 au
q 1.90922437460665 1.0104e-07 au
i 1.332993837533936 5.0227e-06 deg
node 2.827242066985084 0.0001817 deg
peri 335.7179080424809 0.00018209 deg
M 204.6905758809916 1.2772e-05 deg
tp 2459568.652528656941
(2021-Dec-20.15252866)
4.9377e-05 TDB
period 1316.95105739218
3.61
1.1339e-05
3.104e-08
d
yr
n .2733586779700607 2.3536e-09 deg/d
Q 2.793441624597327 1.6034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      8570 days (23.46 yr)  
   first obs. used      1996-08-15  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55247  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:43:08  

Additional Information
 Earth MOID = .90032 au 
 Jupiter MOID = 2.5897 au 
 T_jup = 3.533 
[ 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 17.0   n/a MPO471267  

312017 (2007 RQ36)          Discovered 2007-Sep-08 by LONEOS at Anderson Mesa
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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