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481918 (2009 BE77)
Classification: Apollo [NEO]          SPK-ID: 2481918
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8260152414617941 9.601e-08  
a 2.522500738833231 4.2113e-08 au
q .4388766819583458 2.4164e-07 au
i 21.12932276385464 1.7465e-05 deg
node 201.1849809059142 8.1123e-05 deg
peri 26.96647375812198 7.8181e-05 deg
M 280.2438856716381 2.633e-05 deg
tp 2459324.695413550193
(2021-Apr-20.19541355)
0.00011425 TDB
period 1463.340458106625
4.01
3.6646e-05
1.003e-07
d
yr
n .2460124696243237 6.1608e-09 deg/d
Q 4.606124795708117 7.69e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      2941 days (8.05 yr)  
   first obs. used      2009-01-30  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46735  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:18:46  

Additional Information
 Earth MOID = .273817 au 
 Jupiter MOID = .714627 au 
 T_jup = 2.795 
[ 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 18.1   n/a MPO402909  

481918 (2009 BE77)          Discovered 2009-Jan-30 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2017-01-17

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