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312850 (2011 UQ84)
Classification: Main-belt Asteroid          SPK-ID: 2312850
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09187517428182222 5.4406e-08  
a 3.082214701266818 4.6137e-08 au
q 2.799035688413935 1.6533e-07 au
i 15.92018633578707 7.7605e-06 deg
node 246.2326840446296 2.2313e-05 deg
peri 210.9844062507477 4.8786e-05 deg
M 102.953620539568 4.5331e-05 deg
tp 2458035.261309754612
(2017-Oct-08.76130975)
0.0002445 TDB
period 1976.481520726453
5.41
4.4379e-05
1.215e-07
d
yr
n .1821418496580137 4.0897e-09 deg/d
Q 3.365393714119702 5.0376e-08 au
  Orbit Determination Parameters
   # obs. used (total)      257  
   data-arc span      6796 days (18.61 yr)  
   first obs. used      2000-11-19  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52272  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:28  

Additional Information
 Earth MOID = 1.82623 au 
 Jupiter MOID = 1.94314 au 
 T_jup = 3.162 
[ 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 15.2   n/a MPO437380  
diameter diameter 5.845 km 0.517 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

312850 (2011 UQ84)          Discovered 2005-Sep-01 by NEAT at Palomar
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 UQ84 = 2010 KL95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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