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172700 (2004 BJ24)
Classification: Main-belt Asteroid          SPK-ID: 2172700
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2328367742922936 4.1895e-08  
a 2.522684479982017 1.3878e-08 au
q 1.935310763105772 1.062e-07 au
i 5.046664245767886 6.09e-06 deg
node 285.9613587557621 4.4741e-05 deg
peri 69.31229580703642 4.7337e-05 deg
M 222.5680484409273 1.8986e-05 deg
tp 2459955.199191292263
(2023-Jan-10.69919129)
7.9613e-05 TDB
period 1463.500347506611
4.01
1.2076e-05
3.306e-08
d
yr
n .2459855924280016 2.0298e-09 deg/d
Q 3.110058196858262 1.7109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8329 days (22.80 yr)  
   first obs. used      1998-06-26  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48237  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:24:50  

Additional Information
 Earth MOID = .93665 au 
 Jupiter MOID = 2.36822 au 
 T_jup = 3.412 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457455.5 (2016-Mar-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2336075954805225 4.252e-08  
q 1.93315773292752 1.0814e-07 au
tp 2457024.378019158121
(2015-Jan-01.87801916)
6.8213e-05 TDB
node 286.2752973304315 4.4702e-05 deg
peri 68.48010577510584 4.7219e-05 deg
i 5.048316467036353 6.0959e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8329 days (22.80 yr)  
   first obs. used      1998-06-26  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48237  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 02:24:50  

Additional Information
 Jupiter MOID = 2.36822 au 
 T_jup = 3.412 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.80792753476793E-15 -4.575537665724724E-15 -1.236886018362181E-12 -3.907172110610695E-15 -3.177192733960223E-13 1.572546196906162E-15
q -4.575537665724724E-15 1.169348594584739E-14 3.353026085912041E-12 1.156352292109743E-14 8.553494507953392E-13 -3.298013710407686E-15
tp -1.236886018362181E-12 3.353026085912041E-12 4.652990586178954E-9 9.0524339022672E-12 1.048999188478548E-9 2.45134455310697E-12
node -3.907172110610695E-15 1.156352292109743E-14 9.0524339022672E-12 1.998241067084012E-9 -1.987665595945099E-9 6.94000085910761E-11
peri -3.177192733960223E-13 8.553494507953392E-13 1.048999188478548E-9 -1.987665595945099E-9 2.229609554972985E-9 -6.86602655329861E-11
i 1.572546196906162E-15 -3.298013710407686E-15 2.45134455310697E-12 6.94000085910761E-11 -6.86602655329861E-11 3.716041356383745E-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 15.90   n/a E2021B55  

172700 (2004 BJ24)          Discovered 2004-Jan-19 by LONEOS at Anderson Mesa
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

Alternate Designations
 2004 BJ24 = 2004 AW26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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