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305349 (2008 BG7)
Classification: Main-belt Asteroid          SPK-ID: 2305349
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 .1434658737989516 7.5282e-08  
a 2.752902571940111 2.6942e-08 au
q 2.357954998973341 2.1931e-07 au
i 8.758262850898943 5.9441e-06 deg
node 295.6674367421057 5.7014e-05 deg
peri 141.2721040507546 7.3049e-05 deg
M 295.499461284156 3.6739e-05 deg
tp 2459299.413500387853
(2021-Mar-25.91350039)
0.00016936 TDB
period 1668.340486483318
4.57
2.4492e-05
6.706e-08
d
yr
n .2157832905912637 3.1678e-09 deg/d
Q 3.14785014490688 3.0808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2002-12-06  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:39:36  

Additional Information
 Earth MOID = 1.38081 au 
 Jupiter MOID = 2.09606 au 
 T_jup = 3.313 
[ 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 16.6   n/a MPO455250  

305349 (2008 BG7)          Discovered 2008-Jan-16 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ 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
2094-Nov-17 08:29 00:07 Hebe 0.0161058141056264 0.016085567798542 0.0161262181795447 7.87796163649969 7.87796158750365 2486198.853731032 6.85772724229911 2715.37721171326 69.6700878711084 68.1339814162567 32090.1168456796 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 00:39:37 2020-Dec-18 00:39
2181-Sep-26 06:21 00:13 Hebe 0.0404638636167425 0.0403586459015592 0.0405691101626975 8.03154716164199 8.03154714251305 2517922.764879215 12.7866978300837 5516.21222301811 71.3179819812189 -17.9856001302237 26223.7649086201 T 11 CATAB v2.0f-lin.ifort 2020-Dec-18 00:39:37 2020-Dec-18 00:39

Alternate Designations
 2008 BG7 = 2002 XA41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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