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JPL Small-Body Database Browser
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249656 (1999 UU11)
Classification: Main-belt Asteroid          SPK-ID: 2249656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590031025660436 8.5775e-08  
a 3.18226525668471 3.7878e-08 au
q 2.676275207683715 2.6447e-07 au
i 4.068039556584179 8.9867e-06 deg
node 214.6819709826037 8.1742e-05 deg
peri 136.9462639628413 8.5042e-05 deg
M 195.2021728932848 2.7806e-05 deg
tp 2459549.687418894615
(2021-Dec-01.18741889)
0.00017121 TDB
period 2073.49500173196
5.68
3.7021e-05
1.014e-07
d
yr
n .1736199024831492 3.0999e-09 deg/d
Q 3.688255305685707 4.3901e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52515  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:36:16  

Additional Information
 Earth MOID = 1.67182 au 
 Jupiter MOID = 1.77403 au 
 T_jup = 3.175 
[ 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 15.6   n/a MPO258026  

249656 (1999 UU11)          Discovered 1999-Oct-29 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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