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295615 (2008 SB202)
Classification: Main-belt Asteroid          SPK-ID: 2295615
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605309719210195 4.5053e-08  
a 2.303359298441857 1.9215e-08 au
q 1.933598791579668 1.042e-07 au
i 3.747235567885006 5.5622e-06 deg
node 3.122663457478875 7.2431e-05 deg
peri 242.4046732756706 7.4858e-05 deg
M 252.5557812123197 1.8343e-05 deg
tp 2459381.584698547524
(2021-Jun-16.08469855)
6.7356e-05 TDB
period 1276.853171115791
3.50
1.5978e-05
4.375e-08
d
yr
n .2819431459651781 3.5281e-09 deg/d
Q 2.673119805304046 2.23e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      9166 days (25.10 yr)  
   first obs. used      1994-10-28  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:44  

Additional Information
 Earth MOID = .923883 au 
 Jupiter MOID = 2.35757 au 
 T_jup = 3.570 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456913.5 (2014-Sep-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1606301479823807 4.4954e-08  
q 1.933218725975081 1.0396e-07 au
tp 2456828.571340527500
(2014-Jun-20.07134053)
5.811e-05 TDB
node 3.153154706513533 7.2382e-05 deg
peri 242.4836728288478 7.4818e-05 deg
i 3.749081924005193 5.5634e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      9166 days (25.10 yr)  
   first obs. used      1994-10-28  
   last obs. used      2019-12-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:48:44  

Additional Information
 Jupiter MOID = 2.35757 au 
 T_jup = 3.570 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.020884708108279E-15 -4.617266789301493E-15 -5.851642766834586E-13 4.42106684245525E-14 -2.311557001291371E-13 -3.633839595148172E-15
q -4.617266789301493E-15 1.080769659349571E-14 1.384755476887394E-12 -1.030543611639649E-13 5.490703970360732E-13 8.740864708832632E-15
tp -5.851642766834586E-13 1.384755476887394E-12 3.376766140276249E-9 -2.894079622491403E-11 1.115632286239373E-9 2.80034378519058E-12
node 4.42106684245525E-14 -1.030543611639649E-13 -2.894079622491403E-11 5.239183209398426E-9 -5.236924809609316E-9 4.062641660721514E-11
peri -2.311557001291371E-13 5.490703970360732E-13 1.115632286239373E-9 -5.236924809609316E-9 5.597684339581152E-9 -3.963882264448503E-11
i -3.633839595148172E-15 8.740864708832632E-15 2.80034378519058E-12 4.062641660721514E-11 -3.963882264448503E-11 3.095173943930529E-11

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 17.5   n/a MPO455185  
diameter diameter 1.856 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295615 (2008 SB202)          Discovered 2008-Sep-26 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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