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(2011 SQ249)
Classification: Centaur          SPK-ID: 3520100
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4548015001503787 1.3251e-05  
a 6.598180418976082 2.2685e-05 au
q 3.597318066162905 9.9786e-05 au
i 16.68235159804001 0.00012366 deg
node 44.86761701470754 0.00020858 deg
peri 263.828574979627 0.0061167 deg
M 221.2765268814861 0.0031152 deg
tp 2461586.015042156791
(2027-Jun-29.51504216)
0.06587 TDB
period 6190.62798725324
16.95
0.031926
8.741e-05
d
yr
n .05815242019731358 2.999e-07 deg/d
Q 9.599042771789257 3.3002e-05 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      5847 days (16.01 yr)  
   first obs. used      1995-10-21  
   last obs. used      2011-10-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      2  
   norm. resid. RMS      .42507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 05:26:10  

Additional Information
 Earth MOID = 2.63879 au 
 Jupiter MOID = .158261 au 
 T_jup = 2.710 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO210138  
diameter diameter 7.550 km 0.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

[ show close-approach data ]
Alternate Designations
 2011 SQ249 = 1995 UW31 = 2010 JV9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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