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268384 (2005 UJ57)
Classification: Main-belt Asteroid          SPK-ID: 2268384
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506888538521048 1.0514e-07  
a 2.664798171506372 1.7743e-08 au
q 2.263242789294893 2.8155e-07 au
i 7.687578528475131 9.476e-06 deg
node 64.12134056638604 6.6929e-05 deg
peri .274792383563124 7.8648e-05 deg
M 105.1880144870308 3.8299e-05 deg
tp 2458536.242780375156
(2019-Feb-21.74278038)
0.00016796 TDB
period 1588.893942717689
4.35
1.5869e-05
4.345e-08
d
yr
n .2265727059065036 2.2629e-09 deg/d
Q 3.066353553717851 2.0416e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      10016 days (27.42 yr)  
   first obs. used      1992-11-18  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61345  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:34:32  

Additional Information
 Earth MOID = 1.27668 au 
 Jupiter MOID = 2.24899 au 
 T_jup = 3.355 
[ 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 16.4   n/a MPO470848  

268384 (2005 UJ57)          Discovered 2005-Oct-24 by LONEOS at Anderson Mesa
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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