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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .116846587729303 3.9349e-08  
a 2.38607875484826 8.7636e-09 au
q 2.107273594290857 9.295e-08 au
i 2.058043021552314 4.3733e-06 deg
node 330.0533717434448 0.00010423 deg
peri 233.1872319176361 0.00010556 deg
M 269.9012520953835 1.7839e-05 deg
tp 2459537.431676238833
(2021-Nov-18.93167624)
6.7175e-05 TDB
period 1346.249601319541
3.69
7.4167e-06
2.031e-08
d
yr
n .2674095499431474 1.4732e-09 deg/d
Q 2.664883915405663 9.7875e-09 au
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:56:59  

Additional Information
 Earth MOID = 1.10371 au 
 Jupiter MOID = 2.29804 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457065.5 (2015-Feb-12.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1165959853039003 3.9411e-08  
q 2.107645052961935 9.304e-08 au
tp 2456846.188219926161
(2014-Jul-07.68821993)
6.5065e-05 TDB
node 330.1358530970835 0.00010419 deg
peri 233.3454560204516 0.00010553 deg
i 2.058600124745896 4.3741e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      952  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1998-12-22  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54201  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:56:59  

Additional Information
 Jupiter MOID = 2.29804 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.553259750908636E-15 -3.65443228297058E-15 -6.41848166246068E-13 2.487705607423444E-15 -1.393613008370735E-13 -5.491150552363232E-17
q -3.65443228297058E-15 8.656502812986155E-15 1.548135097276267E-12 -5.395111795843513E-15 3.385940852867872E-13 1.324959821930405E-16
tp -6.41848166246068E-13 1.548135097276267E-12 4.23340567873531E-9 1.08481795644113E-11 1.104031268559959E-9 7.862811482754975E-13
node 2.487705607423444E-15 -5.395111795843513E-15 1.08481795644113E-11 1.085488531542805E-8 -1.084439943598872E-8 5.423081640345753E-11
peri -1.393613008370735E-13 3.385940852867872E-13 1.104031268559959E-9 -1.084439943598872E-8 1.113656551059567E-8 -5.39949273985947E-11
i -5.491150552363232E-17 1.324959821930405E-16 7.862811482754975E-13 5.423081640345753E-11 -5.39949273985947E-11 1.913289572404492E-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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