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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2324545126252925 4.9966e-08  
a 2.523433891267607 1.4415e-08 au
q 1.93685029593085 1.2525e-07 au
i 5.046941398179579 8.3524e-06 deg
node 285.9698575133987 4.5757e-05 deg
peri 69.28113386208611 5.0014e-05 deg
M 125.2200274097758 2.1668e-05 deg
tp 2458491.218831154737
(2019-Jan-07.71883115)
8.7025e-05 TDB
period 1464.152536752931
4.01
1.2546e-05
3.435e-08
d
yr
n .2458760210861474 2.1068e-09 deg/d
Q 3.110017486604364 1.7766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7891 days (21.60 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:52:58  

Additional Information
 Earth MOID = .938994 au 
 Jupiter MOID = 2.36713 au 
 T_jup = 3.411 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457069.5 (2015-Feb-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2338271799290492 5.0946e-08  
q 1.93254735861999 1.2829e-07 au
tp 2457024.371256360276
(2015-Jan-01.87125636)
8.3212e-05 TDB
node 286.2781788184825 4.5715e-05 deg
peri 68.44756166472624 4.9829e-05 deg
i 5.048909022927357 8.3596e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7891 days (21.60 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47512  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:52:58  

Additional Information
 Jupiter MOID = 2.36713 au 
 T_jup = 3.411 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.595489095626314E-15 -6.511959806322514E-15 -2.570227139700275E-12 -8.55732946143484E-15 -6.716556150038618E-13 4.05102081628675E-16
q -6.511959806322514E-15 1.645864021454805E-14 6.620315825106347E-12 2.258593193260554E-14 1.721686861296039E-12 -4.628934094697535E-17
tp -2.570227139700275E-12 6.620315825106347E-12 6.924183517426099E-9 1.582245285624585E-11 1.655873855306996E-9 5.108939598336849E-12
node -8.55732946143484E-15 2.258593193260554E-14 1.582245285624585E-11 2.089835796225535E-9 -2.07710405137816E-9 1.023386804509841E-10
peri -6.716556150038618E-13 1.721686861296039E-12 1.655873855306996E-9 -2.07710405137816E-9 2.482912264385958E-9 -1.00871021649689E-10
i 4.05102081628675E-16 -4.628934094697535E-17 5.108939598336849E-12 1.023386804509841E-10 -1.00871021649689E-10 6.988228002870326E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO454184  

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

[ show close-approach data ]
Alternate Designations
 2004 BJ24 = 2004 AW26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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