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312846 (2011 UQ61)
Classification: Main-belt Asteroid          SPK-ID: 2312846
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07480052705088901 1.937e-07  
a 2.557653198855491 3.4942e-08 au
q 2.366339391567708 4.9452e-07 au
i 3.697772125824446 1.0424e-05 deg
node 199.5037832920058 0.00010432 deg
peri 162.0605884560768 0.00012471 deg
M 86.7299306341211 7.7556e-05 deg
tp 2458640.562239583636
(2019-Jun-06.06223958)
0.00032266 TDB
period 1494.035482358759
4.09
3.0617e-05
8.382e-08
d
yr
n .2409581326888152 4.9379e-09 deg/d
Q 2.748967006143274 3.7556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      5355 days (14.66 yr)  
   first obs. used      2005-03-11  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:45:48  

Additional Information
 Earth MOID = 1.36364 au 
 Jupiter MOID = 2.57648 au 
 T_jup = 3.430 
[ 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 17.2   n/a MPO413278  

312846 (2011 UQ61)          Discovered 2005-Mar-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ hide close-approach data ]
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
2076-Jan-04 11:50 00:07 Iris 0.0275670618943939 0.0275344904138437 0.027599682993049 3.62494000592599 3.62493994839766 2479306.992749218 7.42853563694284 2459.3825526653 97.1167369299235 -48.7091252163114 31903.4690069886 T 10 CATAB v2.0f-lin.ifort 2020-Nov-11 18:45:49 2020-Nov-11 18:45

Alternate Designations
 2011 UQ61 = 2009 DL105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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