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285571 (2000 PQ9)
Classification: Amor [NEO]          SPK-ID: 2285571
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 83 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4319687680807573 1.9685e-08  
a 1.903900923269403 1.7047e-09 au
q 1.081475186896902 3.7822e-08 au
i 13.47654110192671 5.7154e-06 deg
node 297.2124165264644 5.6829e-06 deg
peri 6.935494619736644 1.3073e-05 deg
M 350.321809328562 4.7099e-06 deg
tp 2459422.296252351338
(2021-Jul-26.79625235)
1.254e-05 TDB
period 959.5441091988489
2.63
1.2887e-06
3.528e-09
d
yr
n .3751781669532362 5.0388e-10 deg/d
Q 2.726326659641903 2.441e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4395  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      2000-08-09  
   last obs. used      2021-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .17293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-16 06:35:02  

Additional Information
 Earth MOID = .067072 au 
 Jupiter MOID = 2.54261 au 
 T_jup = 3.794 
[ 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 17.6   n/a E2021Q38  

285571 (2000 PQ9)          Discovered 2000-Aug-09 by LINEAR at Socorro
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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