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249509 (2010 AR61)
Classification: Main-belt Asteroid          SPK-ID: 2249509
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1063127164254741 5.6971e-08  
a 3.051324042984767 4.2572e-08 au
q 2.726929495280696 1.8674e-07 au
i 16.84995117714803 6.3039e-06 deg
node 312.0074784395021 2.1133e-05 deg
peri 173.9205748695415 3.7452e-05 deg
M 343.5295871144725 3.2271e-05 deg
tp 2459089.570298766035
(2020-Aug-28.07029877)
0.00017518 TDB
period 1946.84297100701
5.33
4.0744e-05
1.116e-07
d
yr
n .1849147596191535 3.8699e-09 deg/d
Q 3.375718590688837 4.7098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      6372 days (17.45 yr)  
   first obs. used      2002-08-18  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50237  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:24:04  

Additional Information
 Earth MOID = 1.7425 au 
 Jupiter MOID = 1.69592 au 
 T_jup = 3.163 
[ 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 14.9   n/a MPO454850  
diameter diameter 3.296 km 0.707 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.178   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249509 (2010 AR61)          Discovered 2010-Jan-12 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2010 AR61 = 2005 EZ170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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