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312056 (2007 RD321)
Classification: Main-belt Asteroid          SPK-ID: 2312056
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822754759917587 7.0975e-08  
a 2.437058090587898 2.2313e-08 au
q 1.992842167106423 1.6449e-07 au
i 1.816692573326239 8.4485e-06 deg
node 307.1519101289175 0.0001941 deg
peri 99.40810563106739 0.00019594 deg
M 88.19003198194474 2.6748e-05 deg
tp 2458660.080642138454
(2019-Jun-25.58064214)
0.00010061 TDB
period 1389.623816615085
3.80
1.9084e-05
5.225e-08
d
yr
n .2590629173850128 3.5579e-09 deg/d
Q 2.881274014069374 2.638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      5970 days (16.34 yr)  
   first obs. used      2003-09-29  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55582  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:43:34  

Additional Information
 Earth MOID = 1.00346 au 
 Jupiter MOID = 2.50817 au 
 T_jup = 3.480 
[ 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 17.4   n/a MPO455299  

312056 (2007 RD321)          Discovered 2007-Sep-13 by LINEAR at Socorro
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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