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385023 (2012 TA285)
Classification: Main-belt Asteroid          SPK-ID: 2385023
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1161039308292892 7.858e-08  
a 3.087136443139091 8.5088e-08 au
q 2.728707767084292 2.722e-07 au
i 13.63325325211524 9.4683e-06 deg
node 37.32930266138602 3.2558e-05 deg
peri 265.1044184795567 6.0215e-05 deg
M 257.543554764623 4.4637e-05 deg
tp 2459764.356961542582
(2022-Jul-03.85696154)
0.00023952 TDB
period 1981.217537744905
5.42
8.191e-05
2.243e-07
d
yr
n .1817064472434285 7.5123e-09 deg/d
Q 3.445565119193891 9.4967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4488 days (12.29 yr)  
   first obs. used      2007-11-02  
   last obs. used      2020-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58567  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:03:48  

Additional Information
 Earth MOID = 1.75572 au 
 Jupiter MOID = 1.85642 au 
 T_jup = 3.172 
[ 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 16.20   n/a E2021B25  

385023 (2012 TA285)          Discovered 2007-Nov-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2012 TA285 = 2010 FC99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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