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357244 (2002 PQ9)
Classification: Main-belt Asteroid          SPK-ID: 2357244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2051392583276014 7.2726e-08  
a 2.617915657529686 1.7409e-08 au
q 2.080878381179831 1.9664e-07 au
i 4.166480666705809 6.9185e-06 deg
node 195.1970208505855 5.9016e-05 deg
peri 181.5278305479103 6.2686e-05 deg
M 32.53619621577927 1.5344e-05 deg
tp 2458860.671344914387
(2020-Jan-12.17134491)
6.5842e-05 TDB
period 1547.148151461166
4.24
1.5432e-05
4.225e-08
d
yr
n .2326861843579795 2.321e-09 deg/d
Q 3.154952933879541 2.098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      7631 days (20.89 yr)  
   first obs. used      1998-10-15  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58505  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:37  

Additional Information
 Earth MOID = 1.08244 au 
 Jupiter MOID = 2.30813 au 
 T_jup = 3.372 
[ show covariance matrix ]

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 17.3   n/a MPO446591  

357244 (2002 PQ9)          Discovered 2002-Aug-05 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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