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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07324826265935386 7.4752e-08  
a 2.88357776417002 3.6738e-08 au
q 2.672360702701422 2.2544e-07 au
i 6.941455520665111 5.9454e-06 deg
node 96.5062977342147 6.3916e-05 deg
peri 287.1953708293654 7.6217e-05 deg
M 193.6126023347782 4.6328e-05 deg
tp 2459427.135129115214
(2021-Jul-31.63512912)
0.00023937 TDB
period 1788.528762738615
4.90
3.418e-05
9.358e-08
d
yr
n .2012827568111144 3.8467e-09 deg/d
Q 3.094794825638618 3.9429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   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      .60411  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:35  

Additional Information
 Earth MOID = 1.6859 au 
 Jupiter MOID = 2.27977 au 
 T_jup = 3.278 
[ 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 16.3   n/a MPO437356  

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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