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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148805993332515 4.9656e-08  
a 2.232415857241177 1.0686e-08 au
q 1.975954585600256 1.1081e-07 au
i 2.451046626750213 4.7402e-06 deg
node 134.3181294119096 0.00014744 deg
peri 295.108539341437 0.00015028 deg
M 258.7904259323687 2.8258e-05 deg
tp 2457943.015454077810
(2017-Jul-08.51545408)
9.6302e-05 JED
period 1218.319162035157
3.34
8.7477e-06
2.395e-08
d
yr
n .2954890731576718 2.1217e-09 deg/d
Q 2.488877128882098 1.1914e-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 = .990037 au 
 Jupiter MOID = 2.74738 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. 2016-February); 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. (2016) 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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