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23187 (2000 PN9)
Classification: Apollo [NEO, PHA]          SPK-ID: 2023187
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 379 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5893056030335326 1.2761e-08  
a 1.846805401541823 1.0513e-09 au
q .7584726307006336 2.3814e-08 au
i 51.33291653440727 6.8323e-06 deg
node 164.3067403168773 6.2829e-07 deg
peri 293.56111079 3.0528e-06 deg
M 337.6687700006539 1.7709e-06 deg
tp 2459257.364375614063
(2021-Feb-11.86437561)
4.5446e-06 TDB
period 916.7061206060787
2.51
7.8272e-07
2.143e-09
d
yr
n .3927103702132878 3.3531e-10 deg/d
Q 2.935138172383013 1.6708e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2067  
   # delay obs. used      6  
   # Doppler obs. used      2  
   data-arc span      11269 days (30.85 yr)  
   first obs. used      1990-08-02  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36363  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jun-10 06:21:08  

Additional Information
 Earth MOID = .0145596 au 
 Jupiter MOID = 3.07621 au 
 T_jup = 3.419 
[ 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 16.0   n/a MPO492990  
rotation period rot_per 2.5325 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2001) http://www.asu.cas.cz/~ppravec/neo.htm]
[Belskaya, I.N.; Fornasier, S.; Krugly, Y.U. (2009) Icarus 201, 167-171.]
[Warner, B.D. (2016) Minor Planet Bull. 43, 240-250.]

23187 (2000 PN9)          Discovered 2000-Aug-08 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

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