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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457517.5 (2016-May-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1421706543895393 7.3339e-08  
q 2.363074950869214 2.129e-07 au
tp 2457622.689022857808
(2016-Aug-22.18902286)
0.00018031 TDB
node 295.8988462570317 5.7227e-05 deg
peri 139.7637623155521 7.3811e-05 deg
i 8.736884635774901 5.9345e-06 deg
  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
 Jupiter MOID = 2.09606 au 
 T_jup = 3.313 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.378546918868346E-15 -1.554381335951962E-14 3.288327082010726E-12 -9.528952113803031E-14 1.209051140493988E-12 -1.573266858814993E-14
q -1.554381335951962E-14 4.532665178628147E-14 -1.017090913463838E-11 2.844141153081968E-13 -3.673219651273632E-12 4.648398061246668E-14
tp 3.288327082010726E-12 -1.017090913463838E-11 3.25123586648745E-8 -4.624599745320128E-11 8.461032418504663E-9 4.179439474856326E-11
node -9.528952113803031E-14 2.844141153081968E-13 -4.624599745320128E-11 3.274983424375288E-9 -3.253396116276166E-9 3.087327654508958E-11
peri 1.209051140493988E-12 -3.673219651273632E-12 8.461032418504663E-9 -3.253396116276166E-9 5.448006849408234E-9 -2.104148087748107E-11
i -1.573266858814993E-14 4.648398061246668E-14 4.179439474856326E-11 3.087327654508958E-11 -2.104148087748107E-11 3.521887065625875E-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 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

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