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385547 (2004 RQ307)
Classification: Main-belt Asteroid          SPK-ID: 2385547
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904966656651274 9.4802e-08  
a 2.608803717840459 2.4545e-08 au
q 2.111835308217064 2.4683e-07 au
i 4.360885150036317 7.3829e-06 deg
node 192.6038444777975 9.6232e-05 deg
peri 212.1696328841319 9.7379e-05 deg
M 273.4869419905691 1.5145e-05 deg
tp 2459570.361985426978
(2021-Dec-21.86198543)
6.7186e-05 TDB
period 1539.077658533319
4.21
2.1721e-05
5.947e-08
d
yr
n .2339063256516023 3.3011e-09 deg/d
Q 3.105772127463854 2.9221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      7227 days (19.79 yr)  
   first obs. used      2000-10-07  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:45  

Additional Information
 Earth MOID = 1.12139 au 
 Jupiter MOID = 2.29904 au 
 T_jup = 3.381 
[ 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 17.27   n/a E2021B25  

385547 (2004 RQ307)          Discovered 2004-Sep-13 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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