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JPL Small-Body Database Browser
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447757 (2007 JA8)
Classification: Main-belt Asteroid          SPK-ID: 2447757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1575205371083183 7.2938e-08  
a 2.376684444640949 2.9002e-08 au
q 2.002307834384121 1.6942e-07 au
i 1.943746565911213 9.2564e-06 deg
node 222.9641515385289 0.00020891 deg
peri 66.28763143361493 0.00021562 deg
M 158.5777900679735 4.9613e-05 deg
tp 2458410.984032279761
(2018-Oct-19.48403228)
0.00017778 TDB
period 1338.306885777111
3.66
2.4496e-05
6.707e-08
d
yr
n .2689965984826864 4.9237e-09 deg/d
Q 2.751061054897776 3.357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      84  
   data-arc span      4598 days (12.59 yr)  
   first obs. used      2007-04-18  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 23:00:51  

Additional Information
 Earth MOID = .986969 au 
 Jupiter MOID = 2.40875 au 
 T_jup = 3.523 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.0   n/a MPO450460  

447757 (2007 JA8)          Discovered 2007-Apr-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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