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266840 (2009 UN24)
Classification: Main-belt Asteroid          SPK-ID: 2266840
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02949030056960247 4.7744e-08  
a 2.637804315727552 2.6038e-08 au
q 2.560014673612952 1.4136e-07 au
i 2.795579794395818 7.3142e-06 deg
node 65.29029494940727 0.00015237 deg
peri 227.0941768383751 0.00022954 deg
M 277.593624559037 0.00017022 deg
tp 2459358.695891655148
(2021-May-24.19589166)
0.00073815 TDB
period 1564.812434788315
4.28
2.317e-05
6.344e-08
d
yr
n .2300595215098097 3.4064e-09 deg/d
Q 2.715593957842152 2.6806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      7142 days (19.55 yr)  
   first obs. used      2000-10-06  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:25:53  

Additional Information
 Earth MOID = 1.54478 au 
 Jupiter MOID = 2.31859 au 
 T_jup = 3.394 
[ 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 16.5   n/a MPO433732  

266840 (2009 UN24)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ 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
2114-Jan-08 22:45 00:06 Hebe 0.0321349334851826 0.0321076116797628 0.0321623050705265 5.60247727956727 5.60247724503699 2493190.448034599 5.50756983832563 2418.80883096191 88.4474345448382 55.750219234734 44925.6377442637 T 14 CATAB v2.0f-lin.ifort 2020-May-21 15:25:54 2020-May-21 15:26

Alternate Designations
 2009 UN24 = 2005 WG147 = 2005 WQ133 = 2005 XC118 = 2005 XT112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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