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146998 (2002 PS93)
Classification: Main-belt Asteroid          SPK-ID: 2146998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2345810023401887 3.6013e-08  
a 2.385454280502032 7.7725e-09 au
q 1.825872024345171 8.7296e-08 au
i 3.209969378533683 4.4729e-06 deg
node 105.7016851442815 7.8417e-05 deg
peri 247.3849362395836 7.9153e-05 deg
M 283.3298628954452 1.0718e-05 deg
tp 2459287.101732880365
(2021-Mar-13.60173288)
4.0776e-05 TDB
period 1345.721133852022
3.68
6.5771e-06
1.801e-08
d
yr
n .2675145622254798 1.3075e-09 deg/d
Q 2.945036536658892 9.5958e-09 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      10519 days (28.80 yr)  
   first obs. used      1991-10-03  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:21:51  

Additional Information
 Earth MOID = .82351 au 
 Jupiter MOID = 2.49573 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457306.5 (2015-Oct-11.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2336840228014774 3.5973e-08  
q 1.828806990317302 8.7072e-08 au
tp 2457942.460004306490
(2017-Jul-07.96000431)
3.8079e-05 TDB
node 105.7270326982949 7.8403e-05 deg
peri 247.4496332964781 7.915e-05 deg
i 3.209603728640355 4.472e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      10519 days (28.80 yr)  
   first obs. used      1991-10-03  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:21:51  

Additional Information
 Jupiter MOID = 2.49573 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.294071774890154E-15 -3.125154290837892E-15 9.24207410811172E-14 3.613619750558753E-15 3.989192725080033E-14 -1.367633966017931E-15
q -3.125154290837892E-15 7.581462686881635E-15 -1.414212864428013E-13 -8.760599041146279E-15 -8.066714933242393E-14 3.307814201264498E-15
tp 9.24207410811172E-14 -1.414212864428013E-13 1.450021081567064E-9 -1.236206558354414E-11 4.26210256125032E-10 -6.145747251754093E-13
node 3.613619750558753E-15 -8.760599041146279E-15 -1.236206558354414E-11 6.147033286442752E-9 -6.140779908329092E-9 -4.479540076994429E-11
peri 3.989192725080033E-14 -8.066714933242393E-14 4.26210256125032E-10 -6.140779908329092E-9 6.264780755339901E-9 4.452527387056677E-11
i -1.367633966017931E-15 3.307814201264498E-15 -6.145747251754093E-13 -4.479540076994429E-11 4.452527387056677E-11 1.999849860653622E-11

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 17.0   n/a MPO432925  

146998 (2002 PS93)          Discovered 2002-Aug-11 by NEAT at Haleakala
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 PS93 = 1999 XG254 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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