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187339 (2005 UR127)
Classification: Main-belt Asteroid          SPK-ID: 2187339
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01898430449552439 4.816e-08  
a 2.912653901129559 2.1728e-08 au
q 2.857359192580438 1.3481e-07 au
i 1.05888321431675 4.1568e-06 deg
node 267.1265910067875 0.00024453 deg
peri 33.05163154936642 0.00026665 deg
M 119.3380275781511 0.00010587 deg
tp 2458598.622504698113
(2019-Apr-25.12250470)
0.00053427 TDB
period 1815.648395619615
4.97
2.0316e-05
5.562e-08
d
yr
n .1982762746732938 2.2186e-09 deg/d
Q 2.967948609678679 2.214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      6968 days (19.08 yr)  
   first obs. used      2002-01-13  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:59  

Additional Information
 Earth MOID = 1.83966 au 
 Jupiter MOID = 2.05687 au 
 T_jup = 3.282 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457412.5 (2016-Jan-25.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02173961122241552 4.799e-08  
q 2.848887906120353 1.3496e-07 au
tp 2456792.372234871615
(2014-May-14.87223487)
0.00046858 TDB
node 267.3471697267244 0.00024558 deg
peri 34.80028017810403 0.00026266 deg
i 1.05538547215293 4.1531e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      6968 days (19.08 yr)  
   first obs. used      2002-01-13  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48931  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:54:59  

Additional Information
 Jupiter MOID = 2.05687 au 
 T_jup = 3.282 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.303062554238383E-15 -6.403708778112319E-15 1.51811097993956E-12 1.221511389066264E-14 2.351910680590065E-13 -1.294635036380332E-16
q -6.403708778112319E-15 1.821482337558726E-14 -5.494288477322197E-12 -3.105061477591243E-14 -8.87324721695709E-13 5.876671604188077E-16
tp 1.51811097993956E-12 -5.494288477322197E-12 2.195671141247561E-7 -8.180891415168107E-11 4.367813569235159E-8 -1.884087105224688E-12
node 1.221511389066264E-14 -3.105061477591243E-14 -8.180891415168107E-11 6.030783543020389E-8 -6.031395959021394E-8 1.821802575790538E-10
peri 2.351910680590065E-13 -8.87324721695709E-13 4.367813569235159E-8 -6.031395959021394E-8 6.898832738898514E-8 -1.825149791973104E-10
i -1.294635036380332E-16 5.876671604188077E-16 -1.884087105224688E-12 1.821802575790538E-10 -1.825149791973104E-10 1.724856472726197E-11

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 15.94   n/a E2021B55  

187339 (2005 UR127)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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