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103309 (2000 AR55)
Classification: Main-belt Asteroid          SPK-ID: 2103309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1444973862874633 3.3405e-08  
a 2.229940494237544 7.9102e-09 au
q 1.907719921243645 7.3222e-08 au
i 4.388113361797356 4.352e-06 deg
node 296.4618334622388 5.7636e-05 deg
peri 133.5678056538812 6.0336e-05 deg
M 138.4089025881226 1.789e-05 deg
tp 2458732.872694382332
(2019-Sep-06.37269438)
5.9708e-05 TDB
period 1216.293366065651
3.33
6.4718e-06
1.772e-08
d
yr
n .2959812246320913 1.5749e-09 deg/d
Q 2.552161067231443 9.0532e-09 au
  Orbit Determination Parameters
   # obs. used (total)      881  
   data-arc span      7443 days (20.38 yr)  
   first obs. used      1999-12-05  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 18:14:38  

Additional Information
 Earth MOID = .924836 au 
 Jupiter MOID = 2.70302 au 
 T_jup = 3.625 
[ 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 16.04   n/a E2021B55  
diameter diameter 2.196 km 0.260 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103309 (2000 AR55)          Discovered 2000-Jan-04 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2000 AR55 = 2002 TH292 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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