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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 121 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .492822945098174 2.2252e-07  
a 1.018557802689632 7.1408e-09 au
q .5165891466154025 2.2338e-07 au
i 35.55491168190937 1.9298e-05 deg
node 337.7630411683823 7.5178e-06 deg
peri 254.4304437533308 1.6293e-05 deg
M 278.2913304435577 2.6827e-05 deg
tp 2459085.720207087718
(2020-Aug-24.22020709)
2.8844e-05 TDB
period 375.4714734448822
1.03
3.9485e-06
1.081e-08
d
yr
n .9587945435563073 1.0083e-08 deg/d
Q 1.520526458763861 1.066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      814  
   # 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      .27813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-15 07:47:26  

Additional Information
 Earth MOID = .0885149 au 
 Jupiter MOID = 3.77541 au 
 T_jup = 5.735 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457069.5 (2015-Feb-16.0) TDB
Reference: JPL 121 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4927483243883659 2.2252e-07  
q .5166879014437438 2.2329e-07 au
tp 2457208.394331379222
(2015-Jul-04.89433138)
1.0879e-05 TDB
node 337.7860181511932 7.5125e-06 deg
peri 254.4148704348448 1.6292e-05 deg
i 35.56005455381658 1.9297e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      814  
   # 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      .27813  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-15 07:47:26  

Additional Information
 Jupiter MOID = 3.77541 au 
 T_jup = 5.735 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.951638139465958E-14 -4.968587135269144E-14 2.068720639344098E-12 1.054420830404533E-12 -3.464244070420696E-12 2.974947461257398E-12
q -4.968587135269144E-14 4.985823696326432E-14 -2.077556904547889E-12 -1.056940104656507E-12 3.474956336727912E-12 -2.982740105395777E-12
tp 2.068720639344098E-12 -2.077556904547889E-12 1.183568720507869E-10 7.24353004924868E-11 -1.438718619291014E-10 1.499236419084978E-10
node 1.054420830404533E-12 -1.056940104656507E-12 7.24353004924868E-11 5.643771883410131E-11 -8.065643756339047E-11 1.205534265169399E-10
peri -3.464244070420696E-12 3.474956336727912E-12 -1.438718619291014E-10 -8.065643756339047E-11 2.654332045864164E-10 -2.335417015985866E-10
i 2.974947461257398E-12 -2.982740105395777E-12 1.499236419084978E-10 1.205534265169399E-10 -2.335417015985866E-10 3.723860929978864E-10

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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