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5625 (1991 AO2)
Classification: Main-belt Asteroid          SPK-ID: 2005625
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1955512951096453 6.9662e-08  
a 2.672107803354153 2.0128e-08 AU
q 2.149573661735658 1.8603e-07 AU
i 11.97539927214103 8.0169e-06 deg
node 175.0290094221131 3.3836e-05 deg
peri 217.0841207083687 3.8927e-05 deg
M 159.6875736573385 2.0176e-05 deg
tp 2456092.801930032045
(2012-Jun-14.30193003)
8.6427e-05 JED
period 1595.436008910489
4.37
1.8027e-05
4.936e-08
d
yr
n .2256436472471505 2.5495e-09 deg/d
Q 3.194641944972646 2.4064e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      21268 days (58.23 yr)  
   first obs. used      1955-12-13  
   last obs. used      2014-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49374  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 10:47:05  

Additional Information
 Earth MOID = 1.16498 AU 
 T_jup = 3.322 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO256905  

5625 (1991 AO2)          Discovered 1991-Jan-07 by McNaught, R. H. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 AO2 = 1955 XS = 1971 KD = 1972 TM = 1985 QC2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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