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305241 (2007 XO31)
Classification: Main-belt Asteroid          SPK-ID: 2305241
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09577717362188047 6.0527e-08  
a 2.650612361921647 3.2345e-08 au
q 2.396744201529574 1.7282e-07 au
i 1.671930061364268 7.2914e-06 deg
node 197.1422296898874 0.00029865 deg
peri 232.4191053126306 0.00030387 deg
M 323.1575410559485 5.9304e-05 deg
tp 2459161.810955240673
(2020-Nov-08.31095524)
0.00026125 TDB
period 1576.223345320934
4.32
2.8852e-05
7.899e-08
d
yr
n .2283940287197691 4.1806e-09 deg/d
Q 2.904480522313719 3.5443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      147  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      2000-02-07  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:54:28  

Additional Information
 Earth MOID = 1.41139 au 
 Jupiter MOID = 2.32517 au 
 T_jup = 3.383 
[ 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 17.0   n/a MPO494622  

305241 (2007 XO31)          Discovered 2007-Dec-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ hide close-approach data ]
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
2019-Jul-20 21:40 00:12 Psych 0.0380327970964413 0.0380274122407796 0.0380381819600884 1.24003197657617 1.24003172003206 2458685.402761534 11.627758960834 267.268035603625 101.588302338782 6.34341330845637 21841.3826141121 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:30 2019-Sep-24 05:54
2185-Jul-18 21:25 00:15 Hebe 0.0340266559458402 0.0339187882275254 0.0341345278207562 5.27463673948444 5.27463670484701 2519314.392388569 14.7419067782071 5409.84920098695 73.8536024697953 -6.30057909076414 7617.66973185641 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:54:30 2019-Sep-24 05:54
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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