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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4885491420143175 9.127e-05  
a 1.934708395128155 0.00033932 au
q .9895082686403975 3.0396e-06 au
i 12.62558275029699 0.001695 deg
node 91.12257137759212 0.00019214 deg
peri 15.5859656879328 0.0001155 deg
M 310.8636167631714 0.3787 deg
tp 2459134.659795225772
(2020-Oct-12.15979523)
1.0693 TDB
period 982.9279873630998
2.69
0.25859
0.000708
d
yr
n .3662526702141952 9.6353e-05 deg/d
Q 2.879908521615912 0.00050509 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 = .0170509 au 
 Jupiter MOID = 2.30081 au 
 T_jup = 3.728 
[ 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 23.5   .2909 15 autocmod 2.6i
rotation period rot_per 1.8 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Incomplete or inconclusive result.
Published Reference List:
[Ryan, W. UNPUBLISHED]

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1974-Nov-14 05:22 01:14 Earth 0.465770956849676 0.464486761483233 0.467055694896134 21.0835492712972 21.083277940542 2442365.723894065 74.308647486679 68782.9012222338 19.1331996295692 21.3794146958515 1116215.36508466 T 15 CATAB v2.0e-lin.ifort 2017-Nov-28 15:41:34 2018-Dec-11 15:26
2009-Dec-23 01:24 < 00:01 Earth 0.0220782524006919 0.0220678865499342 0.0220886182269281 9.84843240388448 9.8361706951415 2455188.558447576 0.0821125168005865 515.596984893309 8.9846570998005 0.399185792827205 4102.22457060777 T 15 CATAB v2.0e-lin.ifort 2017-Nov-28 15:41:34 2018-Dec-11 15:26
2018-Feb-23 13:15 1_19:01 Earth 0.416590500774881 0.378233460783653 0.456134504365403 18.0937230560436 18.0933695642812 2458173.051909606 2580.80706252634 2236743.91778671 67.5794686175733 -29.5902956974692 398758.802424575 T 15 CATAB v2.0e-lin.ifort 2017-Nov-28 15:41:34 2018-Dec-11 15:26
2036-Nov-13 14:34 4_18:10 Earth 0.474297860781659 0.340480854024015 0.609085486479107 21.4219710047955 21.421708761483 2465011.106631992 6849.56799707741 6782084.49029043 10.9220149829341 8.70965668336531 860834.125164118 T 15 CATAB v2.0e-lin.ifort 2017-Nov-28 15:41:34 2018-Dec-11 15:26
2080-Feb-24 12:29 1_01:50 Earth 0.401925495546214 0.369096741189753 0.435838980804756 17.6906876137831 17.690312876687 2480819.019872489 1549.94638350199 1963171.40369096 67.5608296488014 -31.9218726166199 407588.997660746 T 15 CATAB v2.0e-lin.ifort 2017-Nov-28 15:41:34 2018-Dec-11 15:26
2160-Nov-19 01:50 6_22:36 Earth 0.42084996253059 0.235128325226825 0.609029129345831 19.973388673383 19.9730716898097 2510306.576147392 9996.0606278462 9459589.33948387 7.53914167634693 8.74887395110115 1111946.3072467 T 15 CATAB v2.0e-lin.ifort 2017-Nov-28 15:41:34 2018-Dec-11 15:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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