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541880 (2012 BT132)
Classification: Inner Main-belt Asteroid          SPK-ID: 2541880
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07709414881682669 7.1913e-08  
a 1.922370744891003 8.8501e-09 au
q 1.774167208603262 1.3827e-07 au
i 17.80874859675889 7.0809e-06 deg
node 285.8840311593858 1.7065e-05 deg
peri 211.2834612351851 3.6938e-05 deg
M 195.0952654793628 3.091e-05 deg
tp 2459842.448568085104
(2022-Sep-19.94856809)
8.3791e-05 TDB
period 973.5407838793516
2.67
6.7229e-06
1.841e-08
d
yr
n .3697842000675894 2.5536e-09 deg/d
Q 2.070574281178744 9.5324e-09 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6402 days (17.53 yr)  
   first obs. used      2004-01-29  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 05:41:19  

Additional Information
 Earth MOID = .802402 au 
 Jupiter MOID = 3.03647 au 
 T_jup = 3.861 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457846.5 (2017-Apr-03.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07718860063682662 7.1929e-08  
q 1.773536168421426 1.3834e-07 au
tp 2457895.538135424376
(2017-May-22.03813542)
8.351e-05 TDB
node 285.9110347473889 1.7063e-05 deg
peri 211.1830859627073 3.6898e-05 deg
i 17.81036016407693 7.0809e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6402 days (17.53 yr)  
   first obs. used      2004-01-29  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57815  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 05:41:19  

Additional Information
 Jupiter MOID = 3.03647 au 
 T_jup = 3.861 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.173836000493825E-15 -9.933750208679087E-15 7.991030113935973E-13 5.698892735962398E-14 1.864951575424528E-13 -1.451690548862426E-14
q -9.933750208679087E-15 1.913873711042141E-14 -1.584595384295855E-12 -1.100097586366462E-13 -3.811285560364516E-13 2.818414658188406E-14
tp 7.991030113935973E-13 -1.584595384295855E-12 6.973952980922721E-9 2.129881741273707E-11 2.743358658747348E-9 -5.058168900222261E-12
node 5.698892735962398E-14 -1.100097586366462E-13 2.129881741273707E-11 2.911528355115743E-10 -2.699569452358569E-10 5.78294196111374E-11
peri 1.864951575424528E-13 -3.811285560364516E-13 2.743358658747348E-9 -2.699569452358569E-10 1.361473715595187E-9 -5.713634617311931E-11
i -1.451690548862426E-14 2.818414658188406E-14 -5.058168900222261E-12 5.78294196111374E-11 -5.713634617311931E-11 5.013864194518241E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.50   n/a MPO639656  

541880 (2012 BT132)          Discovered 2004-Jan-29 by LONEOS at Anderson Mesa
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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