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305316 (2008 AR50)
Classification: Main-belt Asteroid          SPK-ID: 2305316
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07155833943832514 7.4728e-08  
a 2.887322482476938 3.7641e-08 au
q 2.680710480207945 2.2538e-07 au
i 6.941057261380259 5.9195e-06 deg
node 96.50010267176718 6.3818e-05 deg
peri 286.6810299894652 7.6571e-05 deg
M 274.458500103033 4.7991e-05 deg
tp 2459426.309871976374
(2021-Jul-30.80987198)
0.0002439 TDB
period 1792.013865739218
4.91
3.5043e-05
9.594e-08
d
yr
n .2008913027307953 3.9284e-09 deg/d
Q 3.09393448474593 4.0334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6023 days (16.49 yr)  
   first obs. used      2002-12-06  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60891  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:53:29  

Additional Information
 Earth MOID = 1.69485 au 
 Jupiter MOID = 2.27524 au 
 T_jup = 3.277 
[ 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 16.2   n/a MPO476359  

305316 (2008 AR50)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 AR50 = 2004 FP54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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