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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 311 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5892830174323391 1.4944e-08  
a 1.846978303014938 1.434e-09 au
q .7585853554822343 2.7947e-08 au
i 51.32346108586679 7.3921e-06 deg
node 164.3116374532965 6.6561e-07 deg
peri 293.549595113623 3.4597e-06 deg
M 259.1400161937494 2.2453e-06 deg
tp 2459257.366525173332
(2021-Feb-11.86652517)
5.9686e-06 TDB
period 916.8348593039199
2.51
1.0678e-06
2.923e-09
d
yr
n .3926552272165126 4.5729e-10 deg/d
Q 2.935371250547642 2.279e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   # delay obs. used      6  
   # Doppler obs. used      2  
   data-arc span      10995 days (30.10 yr)  
   first obs. used      1990-08-02  
   last obs. used      2020-09-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35406  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-20 06:39:55  

Additional Information
 Earth MOID = .0141495 au 
 Jupiter MOID = 3.07675 au 
 T_jup = 3.419 
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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. 2019-August); 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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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