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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 ]

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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 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 
[ show covariance matrix ]

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1901-Jul-08 02:30 00:04 Iris 0.0385078834013647 0.0385040065190806 0.0385117681840317 4.08053113794576 4.08053110136046 2415573.604449227 4.20139749333291 1458.42625877159 154.535284783359 85.3958884065769 37138.7735515258 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:00 2020-Feb-24 16:53
2109-Mar-08 02:49 00:06 Thisb 0.0483914886602928 0.0483747954902324 0.0484081828891222 2.50188263943311 2.50188258311619 2491422.617252951 5.59734647382576 907.152306061128 144.23934424652 -23.873101803477 21552.2795326776 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:00 2020-Feb-24 16:53
2142-Jul-12 11:25 00:12 Thisb 0.0336769440022833 0.0336717185357626 0.0336821964680386 2.12054299611648 2.12054290064031 2503601.975726855 12.4017294997012 1607.99084186668 84.6347551935745 81.141671155473 58702.2700185325 T 17 CATAB v2.0f-lin.ifort 2020-Feb-24 16:53:00 2020-Feb-24 16:53

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