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268403 (2005 UC202)
Classification: Main-belt Asteroid          SPK-ID: 2268403
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07512211544917785 6.0917e-08  
a 2.635925038366943 2.3966e-08 au
q 2.437908773319363 1.6041e-07 au
i 4.126856531703973 6.9512e-06 deg
node 214.2362025939547 9.7822e-05 deg
peri 202.27527625 0.00011057 deg
M 138.7069296877912 5.2234e-05 deg
tp 2458398.226620349288
(2018-Oct-06.72662035)
0.00022378 TDB
period 1563.140480164058
4.28
2.1318e-05
5.837e-08
d
yr
n .2303055960537958 3.1409e-09 deg/d
Q 2.833941303414523 2.5766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5297 days (14.50 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:34:35  

Additional Information
 Earth MOID = 1.44998 au 
 Jupiter MOID = 2.41994 au 
 T_jup = 3.390 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457413.5 (2016-Jan-26.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07457189671341116 6.0856e-08  
q 2.440558597272639 1.6018e-07 au
tp 2456837.854499111640
(2014-Jun-29.35449911)
0.00021937 TDB
node 214.2495694281761 9.7855e-05 deg
peri 203.11104660836 0.00011079 deg
i 4.125211657153179 6.9498e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      5297 days (14.50 yr)  
   first obs. used      2005-10-25  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:34:35  

Additional Information
 Jupiter MOID = 2.41994 au 
 T_jup = 3.390 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.703399255066993E-15 -9.655872488665328E-15 -3.603756846078827E-13 3.499495060217526E-14 -1.583914879130732E-13 -3.059134740646459E-15
q -9.655872488665328E-15 2.565903632201855E-14 2.117048554246425E-12 -9.171164105962622E-14 7.21572799368472E-13 8.952289658261576E-15
tp -3.603756846078827E-13 2.117048554246425E-12 4.812318979138539E-8 4.542495938297031E-11 1.14453112448037E-8 4.399084773109687E-12
node 3.499495060217526E-14 -9.171164105962622E-14 4.542495938297031E-11 9.575528764124665E-9 -9.5392329222611E-9 -3.014457849048951E-11
peri -1.583914879130732E-13 7.21572799368472E-13 1.14453112448037E-8 -9.5392329222611E-9 1.227372464762296E-8 3.120656058946565E-11
i -3.059134740646459E-15 8.952289658261576E-15 4.399084773109687E-12 -3.014457849048951E-11 3.120656058946565E-11 4.829946373507221E-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 17.3   n/a MPO418424  

268403 (2005 UC202)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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