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442462 (2011 UO268)
Classification: Main-belt Asteroid          SPK-ID: 2442462
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09661577716111378 1.0585e-07  
a 2.775366920815664 4.3218e-08 au
q 2.507222688853811 3.1417e-07 au
i 12.73109842781945 8.3161e-06 deg
node 232.9928374189837 3.3423e-05 deg
peri 117.3891782431006 6.6721e-05 deg
M 354.6403432927681 5.0983e-05 deg
tp 2459025.642792494204
(2020-Jun-25.14279249)
0.00023923 TDB
period 1688.803181312032
4.62
3.9447e-05
1.08e-07
d
yr
n .213168712602919 4.9792e-09 deg/d
Q 3.043511152777517 4.7394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6644 days (18.19 yr)  
   first obs. used      2001-06-15  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5698  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:15  

Additional Information
 Earth MOID = 1.53298 au 
 Jupiter MOID = 2.36315 au 
 T_jup = 3.293 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457373.5 (2015-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09908287788560727 1.0678e-07  
q 2.500532036173958 3.1763e-07 au
tp 2457338.249671514614
(2015-Nov-11.74967151)
0.00023107 TDB
node 233.0340959008819 3.3387e-05 deg
peri 117.7942239037848 6.5271e-05 deg
i 12.73844935207337 8.3185e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      6644 days (18.19 yr)  
   first obs. used      2001-06-15  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5698  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:15  

Additional Information
 Jupiter MOID = 2.36315 au 
 T_jup = 3.293 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.140243077373775E-14 -3.372197173951474E-14 1.02596176142143E-11 -7.610447745787202E-14 3.108865135259245E-12 -5.716559407472692E-14
q -3.372197173951474E-14 1.008914007045151E-13 -2.919142097788554E-11 2.126142549521689E-13 -8.923085381914766E-12 1.759181318971751E-13
tp 1.02596176142143E-11 -2.919142097788554E-11 5.339163218759656E-8 -2.203149507742097E-10 1.293391256596391E-8 -7.238226269285321E-12
node -7.610447745787202E-14 2.126142549521689E-13 -2.203149507742097E-10 1.114711074122912E-9 -1.140251558914237E-9 6.447371981044337E-11
peri 3.108865135259245E-12 -8.923085381914766E-12 1.293391256596391E-8 -1.140251558914237E-9 4.26028387776962E-9 -6.758445000903409E-11
i -5.716559407472692E-14 1.759181318971751E-13 -7.238226269285321E-12 6.447371981044337E-11 -6.758445000903409E-11 6.919711307359882E-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 16.5   n/a MPO413511  

442462 (2011 UO268)          Discovered 2011-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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