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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0905474066349805 6.9555e-08  
a 2.638992362657195 2.5018e-08 au
q 2.400038448089066 1.8533e-07 au
i 12.14395214393896 6.1929e-06 deg
node 40.06602560097565 2.7951e-05 deg
peri 41.01997149571275 3.9014e-05 deg
M 21.65340611126728 2.6221e-05 deg
tp 2458506.315519351828
(2019-Jan-22.81551935)
0.00011387 TDB
period 1565.869723179434
4.29
2.2267e-05
6.096e-08
d
yr
n .2299041833882801 3.2693e-09 deg/d
Q 2.877946277225323 2.7284e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      5782 days (15.83 yr)  
   first obs. used      2003-04-04  
   last obs. used      2019-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65869  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:17:54  

Additional Information
 Earth MOID = 1.42715 au 
 Jupiter MOID = 2.40181 au 
 T_jup = 3.358 
[ 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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