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295651 (2008 ST307)
Classification: Main-belt Asteroid          SPK-ID: 2295651
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05283355985183055 5.2747e-08  
a 3.088947056229777 3.5644e-08 au
q 2.925746987055326 1.6256e-07 au
i 9.770649630657513 5.9151e-06 deg
node 245.9267614854061 3.844e-05 deg
peri 213.9822729089657 7.4631e-05 deg
M 24.15692915565137 6.3017e-05 deg
tp 2459067.438213885691
(2020-Aug-05.93821389)
0.00034696 TDB
period 1982.960776698923
5.43
3.4323e-05
9.397e-08
d
yr
n .1815467074438556 3.1424e-09 deg/d
Q 3.252147125404229 3.7528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      10328 days (28.28 yr)  
   first obs. used      1992-11-25  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52841  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:15:22  

Additional Information
 Earth MOID = 1.94765 au 
 Jupiter MOID = 1.96965 au 
 T_jup = 3.201 
[ 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 15.84   n/a MPCxxxxx  
diameter diameter 3.191 km 0.867 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295651 (2008 ST307)          Discovered 2008-Sep-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 ST307 = 2008 SB185 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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