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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2765887202658965 4.7509e-08  
a 2.4260202701772 1.3862e-08 au
q 1.755010428309764 1.1155e-07 au
i 10.00015101578796 4.5083e-06 deg
node 7.066505029159241 2.7175e-05 deg
peri 359.3081003460019 2.8711e-05 deg
M 80.1206667738813 1.4105e-05 deg
tp 2458893.327651029794
(2020-Feb-13.82765103)
5.2107e-05 TDB
period 1380.193776237055
3.78
1.1829e-05
3.239e-08
d
yr
n .2608329396916279 2.2355e-09 deg/d
Q 3.097030112044636 1.7696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      9969 days (27.29 yr)  
   first obs. used      1993-10-09  
   last obs. used      2021-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:40:09  

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 | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8   n/a MPO439613  

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

[ show close-approach data ]
Alternate Designations
 1993 TG12 = 2002 BY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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