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JPL Small-Body Database Browser
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154425 (2003 BQ44)
Classification: Main-belt Asteroid          SPK-ID: 2154425
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2013035681790557 4.5901e-08  
a 2.391725812602311 1.6505e-08 au
q 1.910262872419514 1.1037e-07 au
i 2.140193928130059 6.2471e-06 deg
node 13.01593928765342 0.00017348 deg
peri 48.00290991443458 0.0001746 deg
M 298.2901506373689 2.2142e-05 deg
tp 2459232.088771189851
(2021-Jan-17.58877119)
8.4495e-05 TDB
period 1351.031617958105
3.70
1.3985e-05
3.829e-08
d
yr
n .2664630458790368 2.7582e-09 deg/d
Q 2.873188752785108 1.9827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      7064 days (19.34 yr)  
   first obs. used      1998-12-14  
   last obs. used      2018-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56554  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:23:29  

Additional Information
 Earth MOID = .923806 au 
 Jupiter MOID = 2.46234 au 
 T_jup = 3.503 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456769.5 (2014-Apr-22.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027428940003944 4.6083e-08  
q 1.906788343034318 1.1115e-07 au
tp 2456527.887104593772
(2013-Aug-23.38710459)
6.9953e-05 TDB
node 13.2263815990585 0.00017299 deg
peri 47.39296198763406 0.00017409 deg
i 2.144586149830393 6.2508e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      7064 days (19.34 yr)  
   first obs. used      1998-12-14  
   last obs. used      2018-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56554  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:23:29  

Additional Information
 Jupiter MOID = 2.46234 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.123682474847783E-15 -5.086567495480902E-15 2.355371077113182E-13 -1.424341278808953E-15 3.60598180700303E-14 -1.176970636898438E-15
q -5.086567495480902E-15 1.235467065501968E-14 -2.61801850337031E-13 2.377971690227726E-15 -1.71699608634163E-15 2.755766253557303E-15
tp 2.355371077113182E-13 -2.61801850337031E-13 4.893353251152516E-9 -9.711722223217567E-13 1.408887008652492E-9 -2.760796916345E-12
node -1.424341278808953E-15 2.377971690227726E-15 -9.711722223217567E-13 2.992567624817404E-8 -2.990372768677546E-8 -2.816057953301874E-10
peri 3.60598180700303E-14 -1.71699608634163E-15 1.408887008652492E-9 -2.990372768677546E-8 3.030720374487231E-8 2.806373068670432E-10
i -1.176970636898438E-15 2.755766253557303E-15 -2.760796916345E-12 -2.816057953301874E-10 2.806373068670432E-10 3.907275144774946E-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 16.8   n/a MPO439920  

154425 (2003 BQ44)          Discovered 2003-Jan-27 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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