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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605310032994677 4.633e-08  
a 2.30335929883611 1.991e-08 au
q 1.933598719634791 1.0803e-07 au
i 3.747228479550472 5.623e-06 deg
node 3.122692873463386 7.4436e-05 deg
peri 242.4046372623995 7.6851e-05 deg
M 252.5557867013217 1.8454e-05 deg
tp 2459381.584679176894
(2021-Jun-16.08467918)
6.781e-05 TDB
period 1276.853171443618
3.50
1.6555e-05
4.533e-08
d
yr
n .2819431458927903 3.6556e-09 deg/d
Q 2.673119878037429 2.3106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      8723 days (23.88 yr)  
   first obs. used      1994-10-28  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58824  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:41:46  

Additional Information
 Earth MOID = .923883 au 
 Jupiter MOID = 2.35757 au 
 T_jup = 3.570 
[ 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 17.5   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

[ 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
1942-Jan-14 06:46 < 00:01 Amphi 0.0368125924732515 0.0367974649362103 0.0368277334698088 4.3601530287492 4.36015299293338 2430373.781926507 0.755385293887627 1344.34253101185 56.6336889959666 55.9367221135604 80552.3448750189 T 11 CATAB v2.0e-lin.ifort 2018-Oct-04 10:41:48 2018-Dec-18 00:30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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