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85254 (1993 TG12)
Classification: Main-belt Asteroid          SPK-ID: 2085254
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2765887231823124 4.6887e-08  
a 2.426020266329413 1.3443e-08 au
q 1.755010418450947 1.0987e-07 au
i 10.00015177036859 4.3139e-06 deg
node 7.066507426155415 2.6745e-05 deg
peri 359.3080982687281 2.8318e-05 deg
M 80.12066752903468 1.3956e-05 deg
tp 2458893.327648865419
(2020-Feb-13.82764887)
5.16e-05 TDB
period 1380.193772953472
3.78
1.1472e-05
3.141e-08
d
yr
n .2608329403121687 2.1679e-09 deg/d
Q 3.097030114207878 1.7161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      10024 days (27.44 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51876  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:06:20  

Additional Information
 Earth MOID = .752162 au 
 Jupiter MOID = 2.36524 au 
 T_jup = 3.437 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.79   n/a MPCxxxxx  

85254 (1993 TG12)          Discovered 1993-Oct-14 by Holt, H. E. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1993 TG12 = 2002 BY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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