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146523 (2001 SP149)
Classification: Main-belt Asteroid          SPK-ID: 2146523
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242594034955773 6.4663e-08  
a 2.579115903270096 1.8657e-08 au
q 2.000724909256787 1.715e-07 au
i 3.995368740709409 6.3045e-06 deg
node 285.2046528019628 7.2548e-05 deg
peri 12.95870094595236 7.336e-05 deg
M 238.3212853147679 1.5316e-05 deg
tp 2459511.848314462853
(2021-Oct-24.34831446)
6.8351e-05 TDB
period 1512.88081635998
4.14
1.6416e-05
4.494e-08
d
yr
n .2379566163487794 2.582e-09 deg/d
Q 3.157506897283406 2.2841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      7695 days (21.07 yr)  
   first obs. used      1999-01-07  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:55  

Additional Information
 Earth MOID = .98516 au 
 Jupiter MOID = 2.06713 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457059.5 (2015-Feb-06.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2258377950259152 6.4905e-08  
q 1.995656771296664 1.7229e-07 au
tp 2456484.348178230602
(2013-Jul-10.84817823)
4.8786e-05 TDB
node 285.3925018086981 7.2322e-05 deg
peri 12.51120423979671 7.3118e-05 deg
i 4.003127709641285 6.3163e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      7695 days (21.07 yr)  
   first obs. used      1999-01-07  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59402  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:55  

Additional Information
 Jupiter MOID = 2.06713 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.212630079252062E-15 -1.114713862327952E-14 7.225695671169399E-13 4.318965365372794E-15 1.083527935492094E-13 -8.257703047427315E-16
q -1.114713862327952E-14 2.968505309877595E-14 -1.615892661662702E-12 -1.268330571715806E-14 -2.147785806701599E-13 2.693108670841098E-15
tp 7.225695671169399E-13 -1.615892661662702E-12 2.380110358808541E-9 -1.123723345310534E-11 5.506873201110415E-10 -8.401371502614889E-13
node 4.318965365372794E-15 -1.268330571715806E-14 -1.123723345310534E-11 5.230535918360714E-9 -5.219874885080096E-9 1.662847262164295E-10
peri 1.083527935492094E-13 -2.147785806701599E-13 5.506873201110415E-10 -5.219874885080096E-9 5.346294176675477E-9 -1.660523915237117E-10
i -8.257703047427315E-16 2.693108670841098E-15 -8.401371502614889E-13 1.662847262164295E-10 -1.660523915237117E-10 3.989543463656041E-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 16.1   n/a MPO453930  

146523 (2001 SP149)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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