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385725 (2005 UR299)
Classification: Main-belt Asteroid          SPK-ID: 2385725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942849228490589 8.346e-08  
a 2.455084999015023 1.7261e-08 au
q 1.978098999393507 1.9873e-07 au
i 2.191418565463565 6.2592e-06 deg
node 217.7270502773585 0.00024133 deg
peri 232.0312693814008 0.0002444 deg
M 356.1803411204214 4.0494e-05 deg
tp 2459411.408031593972
(2021-Jul-15.90803159)
0.00015816 TDB
period 1405.070856594946
3.85
1.4818e-05
4.057e-08
d
yr
n .2562148366470466 2.7021e-09 deg/d
Q 2.932070998636538 2.0615e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      8389 days (22.97 yr)  
   first obs. used      1997-10-05  
   last obs. used      2020-09-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:24  

Additional Information
 Earth MOID = .995541 au 
 Jupiter MOID = 2.27719 au 
 T_jup = 3.466 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457344.5 (2015-Nov-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1940726571635632 8.0803e-08  
q 1.978888782957993 1.9107e-07 au
tp 2458001.755509887514
(2017-Sep-05.25550989)
0.00014833 TDB
node 217.8703241304009 0.0002407 deg
peri 231.1205800320228 0.00024383 deg
i 2.19320275896928 6.2695e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      8389 days (22.97 yr)  
   first obs. used      1997-10-05  
   last obs. used      2020-09-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:24  

Additional Information
 Jupiter MOID = 2.27719 au 
 T_jup = 3.466 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.529071151374305E-15 -1.540439407686034E-14 9.122242466100625E-12 2.965402761809966E-13 2.439762302227432E-12 -9.060400297436807E-15
q -1.540439407686034E-14 3.650671362380956E-14 -2.086414009710428E-11 -6.885794280141552E-13 -5.603364031239127E-12 2.149045050910917E-14
tp 9.122242466100625E-12 -2.086414009710428E-11 2.200160607045658E-8 5.758739417400217E-10 5.907702303940182E-9 -1.495449860277626E-11
node 2.965402761809966E-13 -6.885794280141552E-13 5.758739417400217E-10 5.793638920721051E-8 -5.772419469088396E-8 -5.412747909233417E-10
peri 2.439762302227432E-12 -5.603364031239127E-12 5.907702303940182E-9 -5.772419469088396E-8 5.945324464585331E-8 5.364023853676582E-10
i -9.060400297436807E-15 2.149045050910917E-14 -1.495449860277626E-11 -5.412747909233417E-10 5.364023853676582E-10 3.930643466082193E-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 17.9   n/a MPO440667  

385725 (2005 UR299)          Discovered 2005-Oct-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Alternate Designations
 2005 UR299 = 2001 UU69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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