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91225 (1999 BL3)
Classification: Main-belt Asteroid          SPK-ID: 2091225
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170025709195762 4.8519e-08  
a 2.385662770490599 1.0524e-08 au
q 2.106534092996081 1.1207e-07 au
i 2.058015728405695 4.9528e-06 deg
node 330.0555746431189 0.00011272 deg
peri 233.2437640006184 0.00011407 deg
M 216.360977753086 1.7874e-05 deg
tp 2459537.509472139008
(2021-Nov-19.00947214)
6.7428e-05 TDB
period 1345.897562834436
3.68
8.9059e-06
2.438e-08
d
yr
n .2674794946814871 1.7699e-09 deg/d
Q 2.664791447985118 1.1755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      1998-12-22  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55079  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:53:35  

Additional Information
 Earth MOID = 1.10379 au 
 Jupiter MOID = 2.29927 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456697.5 (2014-Feb-09.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116560785245611 4.8602e-08  
q 2.107687821151584 1.1218e-07 au
tp 2456845.890773842332
(2014-Jul-07.39077384)
6.6617e-05 TDB
node 330.1378035129187 0.00011266 deg
peri 233.2444385524184 0.00011402 deg
i 2.058536486788304 4.9542e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      7614 days (20.85 yr)  
   first obs. used      1998-12-22  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55079  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:53:35  

Additional Information
 Jupiter MOID = 2.29927 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.362197540975995E-15 -5.436910297070497E-15 -9.760191434893024E-13 5.411838902025569E-15 -2.520048482429929E-13 -2.914153126429781E-18
q -5.436910297070497E-15 1.258506433903812E-14 2.281414835752484E-12 -1.252154779665259E-14 5.860834612868919E-13 -3.861358187891546E-18
tp -9.760191434893024E-13 2.281414835752484E-12 4.437769264049484E-9 1.32293982382811E-12 1.180295621145366E-9 3.843690707235282E-13
node 5.411838902025569E-15 -1.252154779665259E-14 1.32293982382811E-12 1.26933841926041E-8 -1.268427957197258E-8 1.404186791811884E-10
peri -2.520048482429929E-13 5.860834612868919E-13 1.180295621145366E-9 -1.268427957197258E-8 1.299961734199824E-8 -1.40235875392196E-10
i -2.914153126429781E-18 -3.861358187891546E-18 3.843690707235282E-13 1.404186791811884E-10 -1.40235875392196E-10 2.45437840388171E-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 15.8   n/a MPO436410  
diameter diameter 4.579 km 0.151 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91225 (1999 BL3)          Discovered 1999-Jan-20 by Klet at Klet
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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