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442612 (2012 PY12)
Classification: Main-belt Asteroid          SPK-ID: 2442612
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09489728533109223 1.7465e-07  
a 2.189017692560686 6.899e-08 au
q 1.981285855994946 4.2439e-07 au
i 7.264983698937631 1.4485e-05 deg
node 312.1489506622845 4.1745e-05 deg
peri 342.5071780345048 8.8276e-05 deg
M 183.4309021538234 5.6955e-05 deg
tp 2459580.709094339802
(2022-Jan-01.20909434)
0.00018477 TDB
period 1182.966195728636
3.24
5.5924e-05
1.531e-07
d
yr
n .3043197694911828 1.4387e-08 deg/d
Q 2.396749529126427 7.5537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      3232 days (8.85 yr)  
   first obs. used      2008-03-01  
   last obs. used      2017-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52994  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:26:59  

Additional Information
 Earth MOID = .966711 au 
 Jupiter MOID = 2.76528 au 
 T_jup = 3.658 
[ 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 18.0   n/a MPO349191  

442612 (2012 PY12)          Discovered 2012-Aug-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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