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72317 (2001 BA45)
Classification: Main-belt Asteroid          SPK-ID: 2072317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2007644885411719 3.1026e-08  
a 2.286073672297702 7.7179e-09 au
q 1.827111260711415 7.3943e-08 au
i 6.712054873152021 3.0923e-06 deg
node 110.9071280528692 3.6386e-05 deg
peri 350.7661729194541 3.8349e-05 deg
M 14.66075672115532 1.0701e-05 deg
tp 2459345.085259706518
(2021-May-10.58525971)
3.7502e-05 TDB
period 1262.506899043253
3.46
6.3935e-06
1.75e-08
d
yr
n .2851469566406436 1.444e-09 deg/d
Q 2.745036083883989 9.2674e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      11478 days (31.43 yr)  
   first obs. used      1989-11-06  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:49:21  

Additional Information
 Earth MOID = .844568 au 
 Jupiter MOID = 2.40778 au 
 T_jup = 3.566 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457732.5 (2016-Dec-10.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1997531391536263 3.0789e-08  
q 1.829836210282921 7.3302e-08 au
tp 2458080.441102090939
(2017-Nov-22.94110209)
3.7881e-05 TDB
node 110.9542604961396 3.645e-05 deg
peri 350.2953257847444 3.8445e-05 deg
i 6.705509925324201 3.0886e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1279  
   data-arc span      11478 days (31.43 yr)  
   first obs. used      1989-11-06  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47835  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:49:21  

Additional Information
 Jupiter MOID = 2.40778 au 
 T_jup = 3.566 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.479894180225852E-16 -2.250521603825388E-15 1.327270746475666E-13 -2.10992302483222E-15 8.553060825068229E-14 -3.934399572306117E-16
q -2.250521603825388E-15 5.373114632503206E-15 -3.152278099022195E-13 5.909660173606408E-15 -2.065702407000179E-13 1.114882786367267E-15
tp 1.327270746475666E-13 -3.152278099022195E-13 1.434961122981809E-9 -1.303663412102751E-11 4.781338351271316E-10 3.334364367414289E-12
node -2.10992302483222E-15 5.909660173606408E-15 -1.303663412102751E-11 1.328606195909372E-9 -1.323572217477549E-9 6.399376823096374E-12
peri 8.553060825068229E-14 -2.065702407000179E-13 4.781338351271316E-10 -1.323572217477549E-9 1.478052829963887E-9 -5.322784697856041E-12
i -3.934399572306117E-16 1.114882786367267E-15 3.334364367414289E-12 6.399376823096374E-12 -5.322784697856041E-12 9.539645434345381E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.54   n/a E2021B10  

72317 (2001 BA45)          Discovered 2001-Jan-19 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 BA45 = 1989 VD4 = 1989 XB1 = 1999 RG233 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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