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385294 (2001 UN77)
Classification: Main-belt Asteroid          SPK-ID: 2385294
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2791127019544669 1.1137e-07  
a 3.164707066694946 2.517e-08 au
q 2.281397126415324 3.492e-07 au
i 15.41997163930061 1.0539e-05 deg
node 38.35833188286405 2.4283e-05 deg
peri 28.05493861834315 4.3623e-05 deg
M 127.4523821053218 2.1739e-05 deg
tp 2458472.478578598814
(2018-Dec-19.97857860)
0.00012457 TDB
period 2056.357891277762
5.63
2.4533e-05
6.717e-08
d
yr
n .175066802100439 2.0886e-09 deg/d
Q 4.048017006974568 3.2196e-08 au
  Orbit Determination Parameters
   # obs. used (total)      186  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2001-09-19  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:52  

Additional Information
 Earth MOID = 1.30488 au 
 Jupiter MOID = 1.43768 au 
 T_jup = 3.088 
[ 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 16.22   n/a E2021B25  

385294 (2001 UN77)          Discovered 2001-Oct-17 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

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