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JPL Small-Body Database Browser
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250458 (2004 BO41)
Classification: Apollo [NEO]          SPK-ID: 2250458
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 118 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4928229413231376 2.2282e-07  
a 1.018557802943247 7.1454e-09 au
q .5165891505891231 2.2369e-07 au
i 35.55491818983158 1.9323e-05 deg
node 337.7630437609474 7.5271e-06 deg
peri 254.4304436815611 1.6297e-05 deg
M 278.2913283457606 2.6849e-05 deg
tp 2459085.720209307499
(2020-Aug-24.22020931)
2.8867e-05 TDB
period 375.4714735851176
1.03
3.951e-06
1.082e-08
d
yr
n .9587945431982057 1.0089e-08 deg/d
Q 1.52052645529737 1.0667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      806  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      5800 days (15.88 yr)  
   first obs. used      2004-01-19  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .27999  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-07 05:40:46  

Additional Information
 Earth MOID = .0885149 au 
 Jupiter MOID = 3.77541 au 
 T_jup = 5.735 
[ 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 17.9   n/a MPO427421  
diameter diameter 0.630 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 16.19 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2017) Minor Planet Bull. 44, 22-36.]
geometric albedo albedo 0.282   0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

250458 (2004 BO41)          Discovered 2004-Jan-19 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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Alternate Designations
 2004 BO41 = 2007 AG2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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