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JPL Small-Body Database Browser
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277425 (2005 UC354)
Classification: Main-belt Asteroid          SPK-ID: 2277425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04017502697720638 4.9975e-08  
a 2.456509191237587 2.2263e-08 au
q 2.357818868209862 1.1819e-07 au
i 13.64303025233013 6.4706e-06 deg
node 259.9207395824667 2.1344e-05 deg
peri 238.9605520154136 8.2688e-05 deg
M 206.6271851739865 8.2026e-05 deg
tp 2459599.631156103751
(2022-Jan-20.13115610)
0.00032269 TDB
period 1406.293654074397
3.85
1.9117e-05
5.234e-08
d
yr
n .2559920532649684 3.48e-09 deg/d
Q 2.555199514265313 2.3157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      5994 days (16.41 yr)  
   first obs. used      2003-03-23  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50715  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:55  

Additional Information
 Earth MOID = 1.39751 au 
 Jupiter MOID = 2.5807 au 
 T_jup = 3.453 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457377.5 (2015-Dec-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03932290554059225 4.993e-08  
q 2.360393437056507 1.1813e-07 au
tp 2456779.956997729448
(2014-May-02.45699773)
0.00032077 TDB
node 259.949679083549 2.1344e-05 deg
peri 237.4277807011024 8.4433e-05 deg
i 13.64163426450039 6.4703e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      5994 days (16.41 yr)  
   first obs. used      2003-03-23  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50715  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:55  

Additional Information
 Jupiter MOID = 2.5807 au 
 T_jup = 3.453 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.492979383859129E-15 -5.809361863560734E-15 -1.436067501176519E-12 4.794712288240985E-15 -3.661250980990172E-13 7.988590749888096E-15
q -5.809361863560734E-15 1.395517799177256E-14 4.842905429474863E-12 -1.21712245096691E-14 1.269117259308818E-12 -1.60551781245428E-14
tp -1.436067501176519E-12 4.842905429474863E-12 1.028945999163444E-7 -6.008117583179388E-13 2.621729904420308E-8 5.044933075381662E-11
node 4.794712288240985E-15 -1.21712245096691E-14 -6.008117583179388E-13 4.555663143941351E-10 -4.425563710860584E-10 3.777568517264683E-13
peri -3.661250980990172E-13 1.269117259308818E-12 2.621729904420308E-8 -4.425563710860584E-10 7.128985127010707E-9 1.267386460844333E-11
i 7.988590749888096E-15 -1.60551781245428E-14 5.044933075381662E-11 3.777568517264683E-13 1.267386460844333E-11 4.186487559019546E-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 16.3   n/a MPO437263  

277425 (2005 UC354)          Discovered 2005-Oct-29 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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