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452505 (2004 RL99)
Classification: Main-belt Asteroid          SPK-ID: 2452505
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615444609648728 1.2595e-07  
a 2.301230622303074 1.4895e-08 au
q 1.929479561867265 2.8725e-07 au
i 5.140241680735515 1.2121e-05 deg
node 199.2468755354324 6.793e-05 deg
peri 200.0606589207337 7.3913e-05 deg
M 142.7435112087211 3.1107e-05 deg
tp 2458494.916935212672
(2019-Jan-11.41693521)
0.00010966 TDB
period 1275.083552185437
3.49
1.238e-05
3.389e-08
d
yr
n .2823344394827898 2.7412e-09 deg/d
Q 2.672981682738883 1.7301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      5642 days (15.45 yr)  
   first obs. used      2004-08-23  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62892  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:35:55  

Additional Information
 Earth MOID = .937874 au 
 Jupiter MOID = 2.73596 au 
 T_jup = 3.568 
[ 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 17.4   n/a MPO472494  

452505 (2004 RL99)          Discovered 2004-Aug-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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