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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14346584813503 7.6123e-08  
a 2.752902604402216 4.406e-08 au
q 2.357955097428519 2.1933e-07 au
i 8.758257893209482 8.9141e-06 deg
node 295.6674135455837 6.0309e-05 deg
peri 141.2721443529803 7.9398e-05 deg
M 295.4994308209558 4.8269e-05 deg
tp 2459299.413646849991
(2021-Mar-25.91364685)
0.00022672 TDB
period 1668.340515992814
4.57
4.0053e-05
1.097e-07
d
yr
n .2157832867745032 5.1804e-09 deg/d
Q 3.147850111375913 5.0382e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      5165 days (14.14 yr)  
   first obs. used      2002-12-06  
   last obs. used      2017-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53619  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:24:46  

Additional Information
 Earth MOID = 1.38081 au 
 Jupiter MOID = 2.09606 au 
 T_jup = 3.313 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456741.5 (2014-Mar-25.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426295616301667 7.3924e-08  
q 2.36190308416221 2.1271e-07 au
tp 2455952.017663410989
(2012-Jan-25.51766341)
0.00020681 TDB
node 295.9083105782726 6.051e-05 deg
peri 139.6869862776025 8.0036e-05 deg
i 8.737943723933855 8.9027e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      5165 days (14.14 yr)  
   first obs. used      2002-12-06  
   last obs. used      2017-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53619  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:24:46  

Additional Information
 Jupiter MOID = 2.09606 au 
 T_jup = 3.313 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.464822416842954E-15 -1.547727711554117E-14 4.842803802559242E-12 -8.94516159945543E-14 1.40988549564018E-12 -8.643537929142532E-15
q -1.547727711554117E-14 4.524705540299166E-14 -1.229152727323471E-11 2.359141497384196E-13 -3.488254207367839E-12 3.084957614468266E-14
tp 4.842803802559242E-12 -1.229152727323471E-11 4.276862944062441E-8 -2.023455136652754E-10 1.089413201097896E-8 3.540161059832899E-11
node -8.94516159945543E-14 2.359141497384196E-13 -2.023455136652754E-10 3.661456066555957E-9 -3.669546578731952E-9 1.553426533114973E-10
peri 1.40988549564018E-12 -3.488254207367839E-12 1.089413201097896E-8 -3.669546578731952E-9 6.405762935956456E-9 -1.447044685149344E-10
i -8.643537929142532E-15 3.084957614468266E-14 3.540161059832899E-11 1.553426533114973E-10 -1.447044685149344E-10 7.925846912683603E-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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