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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 124 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4928191704884527 2.1385e-07  
a 1.018511316301697 6.7994e-09 au
q .5165694142687927 2.1472e-07 au
i 35.55577158621701 1.8487e-05 deg
node 337.7623919451665 7.3037e-06 deg
peri 254.4290618440564 1.5533e-05 deg
M 110.057171232532 2.7445e-05 deg
tp 2459085.720835225009
(2020-Aug-24.22083523)
2.7514e-05 TDB
period 375.4457692874341
1.03
3.7596e-06
1.029e-08
d
yr
n .9588601855422451 9.6017e-09 deg/d
Q 1.520453218334601 1.015e-08 au
  Orbit Determination Parameters
   # obs. used (total)      821  
   # delay obs. used      1  
   # Doppler obs. used      1  
   data-arc span      6164 days (16.88 yr)  
   first obs. used      2004-01-19  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .27882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:11:48  

Additional Information
 Earth MOID = .089911 au 
 Jupiter MOID = 3.77435 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. 2020-October); 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

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