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79223 (1994 PM12)
Classification: Main-belt Asteroid          SPK-ID: 2079223
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07074249490866856 4.2238e-08  
a 2.404974104697164 1.3699e-08 au
q 2.234840236340145 1.0566e-07 au
i 7.994946690571664 5.3402e-06 deg
node 161.8432676738163 3.1538e-05 deg
peri 99.17792942671257 5.6351e-05 deg
M 35.07138319811483 5.1223e-05 deg
tp 2458867.786706373930
(2020-Jan-19.28670637)
0.00019326 TDB
period 1362.272637936709
3.73
1.164e-05
3.187e-08
d
yr
n .2642642815943614 2.258e-09 deg/d
Q 2.575107973054183 1.4668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      9895 days (27.09 yr)  
   first obs. used      1993-03-18  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50244  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:38:43  

Additional Information
 Earth MOID = 1.23642 au 
 Jupiter MOID = 2.47493 au 
 T_jup = 3.507 
[ 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 15.8   n/a MPO436334  
rotation period rot_per 4.315 h n/a LCDB (Rev. 2019-August); 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.]

79223 (1994 PM12)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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