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JPL Small-Body Database Browser
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249371 (2009 AR50)
Classification: Main-belt Asteroid          SPK-ID: 2249371
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1032684660715486 5.1847e-08  
a 2.236087055378546 1.9316e-08 au
q 2.005169775167158 1.2359e-07 au
i 7.844849061845957 4.6091e-06 deg
node 131.7041218069452 3.6318e-05 deg
peri 123.2574845382501 4.6576e-05 deg
M 268.7569531646373 3.294e-05 deg
tp 2458910.048544567772
(2020-Mar-01.54854457)
0.00011391 TDB
period 1221.325678059321
3.34
1.5825e-05
4.333e-08
d
yr
n .2947616728832214 3.8193e-09 deg/d
Q 2.467004335589935 2.131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      7354 days (20.13 yr)  
   first obs. used      1999-01-22  
   last obs. used      2019-03-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6114  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:23:32  

Additional Information
 Earth MOID = 1.0018 au 
 Jupiter MOID = 2.59187 au 
 T_jup = 3.619 
[ 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 16.9   n/a MPO433634  

249371 (2009 AR50)          Discovered 2009-Jan-15 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 AR50 = 1999 BJ33 = 2005 US505 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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