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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170025453542083 4.6077e-08  
a 2.385662770413098 1.0027e-08 au
q 2.106534153917993 1.0692e-07 au
i 2.058020585731064 4.7671e-06 deg
node 330.0556229985694 0.00011102 deg
peri 233.2437019936249 0.00011232 deg
M 216.3609943252358 1.7763e-05 deg
tp 2459537.509410156129
(2021-Nov-19.00941016)
6.7091e-05 TDB
period 1345.897562768851
3.68
8.4851e-06
2.323e-08
d
yr
n .2674794946945214 1.6863e-09 deg/d
Q 2.664791386908202 1.12e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      7980 days (21.85 yr)  
   first obs. used      1998-12-22  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:41  

Additional Information
 Earth MOID = 1.10379 au 
 Jupiter MOID = 2.29927 au 
 T_jup = 3.525 
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Orbital Elements at Epoch 2456862.5 (2014-Jul-24.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1164932736722808 4.6146e-08  
q 2.107592426723007 1.0701e-07 au
tp 2456846.065501845677
(2014-Jul-07.56550185)
6.5758e-05 TDB
node 330.1375049815118 0.00011096 deg
peri 233.303817656731 0.00011227 deg
i 2.058587879418316 4.7686e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      7980 days (21.85 yr)  
   first obs. used      1998-12-22  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54705  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:40:41  

Additional Information
 Jupiter MOID = 2.29927 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.129486300263296E-15 -4.923510680045694E-15 -8.6401134886895E-13 3.4190371928989E-15 -2.142460092950857E-13 -1.349526844201938E-17
q -4.923510680045694E-15 1.145147287935447E-14 2.03812469732384E-12 -7.860849990594377E-15 5.041055571204246E-13 1.95773341432303E-17
tp -8.6401134886895E-13 2.03812469732384E-12 4.324071263508697E-9 3.823276199611379E-12 1.141151468200174E-9 4.295157894281258E-13
node 3.4190371928989E-15 -7.860849990594377E-15 3.823276199611379E-12 1.231158963442577E-8 -1.230202762134572E-8 1.263121005761503E-10
peri -2.142460092950857E-13 5.041055571204246E-13 1.141151468200174E-9 -1.230202762134572E-8 1.260509977438763E-8 -1.261245223184822E-10
i -1.349526844201938E-17 1.95773341432303E-17 4.295157894281258E-13 1.263121005761503E-10 -1.261245223184822E-10 2.273960028375016E-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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