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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 ]

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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.


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 
[ show covariance matrix ]

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2029-Apr-14 13:09 00:02 Iris 0.0124495607356808 0.0124304739984659 0.0124686694706226 3.64927804716888 3.64927792063347 2462241.047766281 1.53043403895403 1260.35165673032 57.317619256606 41.0132357618692 21336.6672849461 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 11:06:25 2021-Apr-14 11:06

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