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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106354455211228 6.1979e-08  
a 3.050535133580796 5.1082e-08 au
q 2.7260971313461 1.9302e-07 au
i 16.84906917558949 7.3641e-06 deg
node 312.01663926 2.2899e-05 deg
peri 174.0928465025852 4.2344e-05 deg
M 269.3907194936633 3.8603e-05 deg
tp 2459090.315647407296
(2020-Aug-28.81564741)
0.00021543 TDB
period 1946.087995415598
5.33
4.8881e-05
1.338e-07
d
yr
n .1849864964215659 4.6465e-09 deg/d
Q 3.374973135815492 5.6515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6286 days (17.21 yr)  
   first obs. used      2002-08-18  
   last obs. used      2019-11-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:48:07  

Additional Information
 Earth MOID = 1.74201 au 
 Jupiter MOID = 1.69778 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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