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193800 (2001 PM12)
Classification: Main-belt Asteroid          SPK-ID: 2193800
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1487476066594458 4.3486e-08  
a 2.250621686929949 1.0996e-08 au
q 1.915847097503275 9.8817e-08 au
i 9.894178473198496 4.94e-06 deg
node 70.85268511563004 2.7064e-05 deg
peri 345.7828328221912 3.2802e-05 deg
M 144.6145284395512 1.7529e-05 deg
tp 2458505.093613487336
(2019-Jan-21.59361349)
5.8934e-05 TDB
period 1233.252986881658
3.38
9.0378e-06
2.474e-08
d
yr
n .291910908653283 2.1392e-09 deg/d
Q 2.585396276356624 1.2631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:57:58  

Additional Information
 Earth MOID = .929829 au 
 Jupiter MOID = 2.7426 au 
 T_jup = 3.593 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457502.5 (2016-Apr-24.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477444262387544 4.3378e-08  
q 1.918759578824116 9.8448e-08 au
tp 2457271.203894912305
(2015-Sep-05.70389491)
5.7886e-05 TDB
node 70.90101750521734 2.7087e-05 deg
peri 345.764935879445 3.2928e-05 deg
i 9.888758539240056 4.9367e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      7803 days (21.36 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:57:58  

Additional Information
 Jupiter MOID = 2.7426 au 
 T_jup = 3.593 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.881626787214168E-15 -4.251078248516811E-15 -4.551624871395184E-13 1.18620318313557E-14 -1.859421378754662E-13 -7.37218029230449E-15
q -4.251078248516811E-15 9.691933479187644E-15 1.090987304589454E-12 -2.650534488297525E-14 4.440291234573988E-13 1.684356449023846E-14
tp -4.551624871395184E-13 1.090987304589454E-12 3.35082197957274E-9 1.357430491892822E-11 1.099828255008684E-9 4.000496589509473E-12
node 1.18620318313557E-14 -2.650534488297525E-14 1.357430491892822E-11 7.33687726233174E-10 -7.176774669559408E-10 -1.944873230045914E-11
peri -1.859421378754662E-13 4.440291234573988E-13 1.099828255008684E-9 -7.176774669559408E-10 1.084220755817023E-9 2.057355720496976E-11
i -7.37218029230449E-15 1.684356449023846E-14 4.000496589509473E-12 -1.944873230045914E-11 2.057355720496976E-11 2.43714298420531E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO470086  

193800 (2001 PM12)          Discovered 2001-Aug-12 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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