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300399 (2007 RW256)
Classification: Main-belt Asteroid          SPK-ID: 2300399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09252508276287415 4.3887e-08  
a 2.393078132213522 1.6713e-08 au
q 2.171658379972442 1.0475e-07 au
i 6.143159172792026 5.9255e-06 deg
node 13.06330926986297 5.465e-05 deg
peri 70.58526769395927 6.6179e-05 deg
M 75.90366263521341 3.7417e-05 deg
tp 2458715.402127681672
(2019-Aug-19.90212768)
0.00014072 TDB
period 1352.177621887026
3.70
1.4166e-05
3.878e-08
d
yr
n .2662372118668873 2.7891e-09 deg/d
Q 2.614497884454603 1.826e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      7013 days (19.20 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:19:45  

Additional Information
 Earth MOID = 1.19649 au 
 Jupiter MOID = 2.55472 au 
 T_jup = 3.517 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO455217  

300399 (2007 RW256)          Discovered 2007-Sep-14 by Spacewatch at Kitt Peak
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

Alternate Designations
 2007 RW256 = 2000 WO83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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