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JPL Small-Body Database Browser
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(2009 XO2)
Classification: Apollo [NEO]          SPK-ID: 3483326
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4878967052851193 8.7394e-05  
a 1.93573813800979 0.00034648 au
q .9912978781800619 8.2614e-06 au
i 12.62451376586276 0.0016895 deg
node 91.12283126057714 0.00021757 deg
peri 15.5440916930396 0.0002121 deg
M 164.4571796194672 0.33901 deg
tp 2458151.114894435415
(2018-Feb-01.61489444)
0.80571 TDB
period 983.7128325901348
2.69
0.26411
0.0007231
d
yr
n .3659604592654475 9.8255e-05 deg/d
Q 2.880178397839518 0.00051552 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      61 days  
   first obs. used      2009-12-12  
   last obs. used      2010-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38382  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:58:47  

Additional Information
 Earth MOID = .0187519 au 
 Jupiter MOID = 2.30141 au 
 T_jup = 3.727 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455184.5 (2009-Dec-19.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4882633161977893 9.2523e-05  
q .9925179997595754 1.7066e-06 au
tp 2455200.822133543535
(2010-Jan-04.32213354)
0.00036361 TDB
node 91.17957355957839 7.1772e-05 deg
peri 15.3938682283427 6.3021e-05 deg
i 12.6257669766418 0.0016801 deg
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      61 days  
   first obs. used      2009-12-12  
   last obs. used      2010-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .38382  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:58:47  

Additional Information
 Jupiter MOID = 2.30141 au 
 T_jup = 3.727 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.560561007288234E-9 1.573538701570551E-10 -3.331527758605841E-8 6.379112726856314E-9 -4.809768556912696E-10 1.554287730124804E-7
q 1.573538701570551E-10 2.912441736138935E-12 -6.174673320808461E-10 1.183118781556657E-10 -1.64673070604919E-11 2.856758594072394E-9
tp -3.331527758605841E-8 -6.174673320808461E-10 1.322147764517338E-7 -2.468867463076036E-8 4.837091249845708E-9 -6.045383379824272E-7
node 6.379112726856314E-9 1.183118781556657E-10 -2.468867463076036E-8 5.151222739405742E-9 -6.411703168166063E-10 1.15609424894352E-7
peri -4.809768556912696E-10 -1.64673070604919E-11 4.837091249845708E-9 -6.411703168166063E-10 3.971657571949383E-9 -8.127338790990236E-9
i 1.554287730124804E-7 2.856758594072394E-9 -6.045383379824272E-7 1.15609424894352E-7 -8.127338790990236E-9 2.822704095916251E-6

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 23.5   .2909 15 autocmod 2.6i
rotation period rot_per 1.8 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Incomplete or inconclusive result.
Published Reference List:
[Ryan, W. UNPUBLISHED]

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