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523633 (2009 XR2)
Classification: Amor [NEO]          SPK-ID: 2523633
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .288840339017818 6.4509e-08  
a 1.4912689115273 4.6456e-09 au
q 1.060530293555022 9.6939e-08 au
i 26.72127613314832 1.9243e-05 deg
node 271.4961061485827 7.9487e-06 deg
peri 131.0597256444506 2.3229e-05 deg
M 290.4048948596647 1.9582e-05 deg
tp 2459129.090406055467
(2020-Oct-06.59040606)
3.6585e-05 TDB
period 665.1695702825831
1.82
3.1082e-06
8.51e-09
d
yr
n .5412153773767217 2.529e-09 deg/d
Q 1.922007529499578 5.9874e-09 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      2000-11-30  
   last obs. used      2020-11-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .27607  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-23 05:22:15  

Additional Information
 Earth MOID = .152681 au 
 Jupiter MOID = 3.51689 au 
 T_jup = 4.405 
[ 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 18.6   n/a MPO221139  
rotation period rot_per 5.828 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2010) Minor Planet Bull. 37, 57-64.]

523633 (2009 XR2)          Discovered 2009-Dec-13 by CSS at Catalina
Reference: Last Updated: 2018-10-01

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