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JPL Small-Body Database Browser
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(2009 MC9)
Classification: Amor [NEO]          SPK-ID: 3463741
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 85 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4655101428112616 4.7768e-08  
a 2.199339157697921 3.8619e-08 au
q 1.175524472307562 9.4472e-08 au
i 9.092541292763364 6.5973e-06 deg
node 326.4035909066635 2.0886e-05 deg
peri 342.8489937148654 3.0228e-05 deg
M 233.254995366045 4.3604e-05 deg
tp 2459815.935405652410
(2022-Aug-24.43540565)
0.00015525 TDB
period 1191.342778920184
3.26
3.1379e-05
8.591e-08
d
yr
n .302180032791485 7.9591e-09 deg/d
Q 3.22315384308828 5.6596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      3824 days (10.47 yr)  
   first obs. used      2009-06-30  
   last obs. used      2019-12-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41089  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 02:47:14  

Additional Information
 Earth MOID = .166605 au 
 Jupiter MOID = 2.08509 au 
 T_jup = 3.502 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO227477  
rotation period rot_per 4.789 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

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