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(2009 UG)
Classification: Aten [NEO]          SPK-ID: 3471589
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3750313288266547 4.5847e-07  
a .7883972023975651 3.3441e-09 au
q .4927235519391892 3.6108e-07 au
i 4.96266935474241 1.8483e-05 deg
node 13.8458424047628 1.2466e-05 deg
peri 201.8623352970095 4.9646e-05 deg
M 210.2412168462347 0.00012075 deg
tp 2459106.866737944446
(2020-Sep-14.36673794)
8.5879e-05 TDB
period 255.6913514760873
0.70
1.6269e-06
4.454e-09
d
yr
n 1.407947503588786 8.9581e-09 deg/d
Q 1.084070852855941 4.5983e-09 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      2576 days (7.05 yr)  
   first obs. used      2009-10-16  
   last obs. used      2016-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45205  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 05:58:55  

Additional Information
 Earth MOID = .0124033 au 
 Jupiter MOID = 3.88412 au 
 T_jup = 7.319 
[ 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 23.3   n/a MPO437966  
rotation period rot_per 5.88 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 98-107.]

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