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385040 (2012 TL311)
Classification: Main-belt Asteroid          SPK-ID: 2385040
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825885067079834 8.4137e-08  
a 2.77267203829182 3.5939e-08 au
q 2.266413991229136 2.2998e-07 au
i 2.52726606589433 1.192e-05 deg
node 206.4683294676745 0.00017772 deg
peri 148.2578174830501 0.00018074 deg
M 288.3450612153038 3.6927e-05 deg
tp 2459536.152440657655
(2021-Nov-17.65244066)
0.00017749 TDB
period 1686.344035542787
4.62
3.2787e-05
8.977e-08
d
yr
n .2134795702492143 4.1506e-09 deg/d
Q 3.278930085354504 4.2501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      6051 days (16.57 yr)  
   first obs. used      2003-10-19  
   last obs. used      2020-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:03:53  

Additional Information
 Earth MOID = 1.26051 au 
 Jupiter MOID = 2.1723 au 
 T_jup = 3.311 
[ 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 17.20   n/a E2021B25  

385040 (2012 TL311)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2012 TL311 = 2007 MF20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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