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JPL Small-Body Database Browser
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442681 (2012 UK24)
Classification: Main-belt Asteroid          SPK-ID: 2442681
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259892668386382 1.0242e-07  
a 2.267192307138761 4.1697e-08 au
q 1.981550410580148 2.5743e-07 au
i 9.707186751258483 9.5439e-06 deg
node 334.2194613357408 4.4389e-05 deg
peri .8082642355383647 6.3423e-05 deg
M 9.622314941925312 4.4923e-05 deg
tp 2458567.172093634526
(2019-Mar-24.67209363)
0.00015521 TDB
period 1246.898107574302
3.41
3.4398e-05
9.418e-08
d
yr
n .2887164539052344 7.9648e-09 deg/d
Q 2.552834203697374 4.695e-08 au
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      3629 days (9.94 yr)  
   first obs. used      2005-08-31  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52588  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:26:19  

Additional Information
 Earth MOID = .970734 au 
 Jupiter MOID = 2.79487 au 
 T_jup = 3.586 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456641.5 (2013-Dec-15.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1266211223076411 1.0232e-07  
q 1.980303521212338 2.5735e-07 au
tp 2456073.796503725425
(2012-May-26.29650373)
0.00014039 TDB
node 334.2823793144613 4.4363e-05 deg
peri .9298207962769662 6.3183e-05 deg
i 9.711083778838876 9.5461e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      44  
   data-arc span      3629 days (9.94 yr)  
   first obs. used      2005-08-31  
   last obs. used      2015-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52588  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:26:19  

Additional Information
 Jupiter MOID = 2.79487 au 
 T_jup = 3.586 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.047031377798944E-14 -2.618075994890214E-14 -1.248486039430205E-12 -8.857944854719867E-14 -7.357275248492719E-13 -7.6425137863333E-14
q -2.618075994890214E-14 6.623109145091571E-14 2.600020222668292E-12 2.212753834816696E-13 1.778183756845051E-12 1.959811696487652E-13
tp -1.248486039430205E-12 2.600020222668292E-12 1.970897951828565E-8 3.188569178402898E-10 6.318742621254393E-9 -3.882558015128947E-11
node -8.857944854719867E-14 2.212753834816696E-13 3.188569178402898E-10 1.968054788151081E-9 -1.828640290803635E-9 -1.955277616698539E-11
peri -7.357275248492719E-13 1.778183756845051E-12 6.318742621254393E-9 -1.828640290803635E-9 3.992122801660982E-9 9.646056816956822E-12
i -7.6425137863333E-14 1.959811696487652E-13 -3.882558015128947E-11 -1.955277616698539E-11 9.646056816956822E-12 9.112787275627945E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO250066  

442681 (2012 UK24)          Discovered 2005-Aug-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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