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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07058146422763455 3.2521e-08  
a 2.403591454024962 9.2136e-09 au
q 2.233942449794851 7.5837e-08 au
i 7.997808141550806 4.9329e-06 deg
node 161.8380623711315 2.1777e-05 deg
peri 98.68950574975879 4.2337e-05 deg
M 140.2755821190879 3.6016e-05 deg
tp 2458866.142172993534
(2020-Jan-17.64217299)
0.00013619 TDB
period 1361.098024603009
3.73
7.8262e-06
2.143e-08
d
yr
n .2644923389004263 1.5208e-09 deg/d
Q 2.573240458255073 9.8639e-09 au
  Orbit Determination Parameters
   # obs. used (total)      940  
   data-arc span      10158 days (27.81 yr)  
   first obs. used      1993-03-18  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49186  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:01:54  

Additional Information
 Earth MOID = 1.23563 au 
 Jupiter MOID = 2.47323 au 
 T_jup = 3.508 
[ 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 15.90   n/a E2021B10  
rotation period rot_per 4.315 h n/a LCDB (Rev. 2020-October); 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
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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