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249834 (2001 ON57)
Classification: Main-belt Asteroid          SPK-ID: 2249834
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773553415521116 7.6122e-08  
a 2.679065487517466 2.821e-08 au
q 2.203918912938331 1.9335e-07 au
i 10.32007100613886 7.0984e-06 deg
node 297.8696893349382 3.4523e-05 deg
peri 6.401593540996497 3.9194e-05 deg
M 116.1770440790303 2.0125e-05 deg
tp 2458483.618196849376
(2018-Dec-31.11819685)
8.507e-05 TDB
period 1601.671402550439
4.39
2.5298e-05
6.926e-08
d
yr
n .2247652042901872 3.5501e-09 deg/d
Q 3.154212062096601 3.3213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      6767 days (18.53 yr)  
   first obs. used      2001-07-16  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:27:31  

Additional Information
 Earth MOID = 1.18893 au 
 Jupiter MOID = 2.09183 au 
 T_jup = 3.332 
[ 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 16.1   n/a MPO503176  

249834 (2001 ON57)          Discovered 2001-Jul-16 by NEAT at Haleakala
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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