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JPL Small-Body Database Browser
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(2009 XR1)
Classification: Apollo [NEO]          SPK-ID: 3483205
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 2455176.5 (2009-Dec-11.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4069792643135227 0.01195  
a 1.628093205667553 0.03082 au
q .9654930305911275 0.0012532 au
i .4728961885145143 0.0050138 deg
node 258.0039466184463 0.013789 deg
peri 208.4158876481019 0.34157 deg
M 348.9955576452449 0.25133 deg
tp 2455199.694385003442
(2010-Jan-03.19438500)
0.17047 TDB
period 758.7825290966288
2.08
21.546
0.05899
d
yr
n .4744442395485822 0.013472 deg/d
Q 2.290693380743979 0.043363 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   first obs. used      2009-12-11  
   last obs. used      2009-12-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .56436  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:58:49  

Additional Information
 Earth MOID = .00104849 au 
 Jupiter MOID = 2.86516 au 
 T_jup = 4.218 
[ 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 29.2   n/a MPO167800  

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