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8394 (1993 TM12)
Classification: Main-belt Asteroid          SPK-ID: 2008394
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149839110609142 4.9632e-08  
a 2.23213039041845 1.0686e-08 au
q 1.975471308130211 1.1074e-07 au
i 2.451078595925615 4.7402e-06 deg
node 134.3176200698597 0.00014745 deg
peri 295.1561678576089 0.00015028 deg
M 199.6400134028857 2.8134e-05 deg
tp 2457943.089366092936
(2017-Jul-08.58936609)
9.6229e-05 JED
period 1218.085483408065
3.33
8.7472e-06
2.395e-08
d
yr
n .2955457600502394 2.1223e-09 deg/d
Q 2.488789472706689 1.1915e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      10564 days (28.92 yr)  
   first obs. used      1986-08-02  
   last obs. used      2015-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5031  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:36:32  

Additional Information
 Earth MOID = .990387 au 
 Jupiter MOID = 2.74859 au 
 T_jup = 3.631 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.3 mag n/a MPO337326  
rotation period rot_per 212.8102 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

[ show close-approach data ]
Alternate Designations
 1993 TM12 = 1986 PG3 = 1996 NE3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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