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JPL Small-Body Database Browser
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442845 (2013 AH117)
Classification: Main-belt Asteroid          SPK-ID: 2442845
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09833681308853069 6.9943e-08  
a 3.094106338609956 8.273e-08 au
q 2.789841781914031 2.1371e-07 au
i 16.21308695935354 1.6276e-05 deg
node 322.3512579926003 2.5734e-05 deg
peri 272.7082240279437 8.6348e-05 deg
M 26.8110512471452 8.2087e-05 deg
tp 2458852.448564675072
(2020-Jan-03.94856468)
0.00045292 TDB
period 1987.93088065315
5.44
7.9729e-05
2.183e-07
d
yr
n .1810928154009657 7.263e-09 deg/d
Q 3.398370895305881 9.0865e-08 au
  Orbit Determination Parameters
   # obs. used (total)      69  
   data-arc span      4075 days (11.16 yr)  
   first obs. used      2008-02-02  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57811  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:03:36  

Additional Information
 Earth MOID = 1.83938 au 
 Jupiter MOID = 1.87574 au 
 T_jup = 3.155 
[ 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 16.3   n/a MPO472464  

442845 (2013 AH117)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 AH117 = 2008 EJ63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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