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268390 (2005 UN129)
Classification: Main-belt Asteroid          SPK-ID: 2268390
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .090424160201949 6.0364e-08  
a 2.638176427052371 2.1238e-08 au
q 2.399621539171582 1.539e-07 au
i 12.14454531402428 5.2567e-06 deg
node 40.05889983220189 2.0291e-05 deg
peri 40.83662228710988 3.3557e-05 deg
M 113.8309973660393 2.6297e-05 deg
tp 2458505.605963730365
(2019-Jan-22.10596373)
0.00011268 TDB
period 1565.143565281823
4.29
1.89e-05
5.175e-08
d
yr
n .2300108488355685 2.7774e-09 deg/d
Q 2.876731314933161 2.3158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2003-04-04  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:13:16  

Additional Information
 Earth MOID = 1.42682 au 
 Jupiter MOID = 2.40181 au 
 T_jup = 3.359 
[ 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 16.5   n/a MPO418424  

268390 (2005 UN129)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
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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