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357441 (2004 BK98)
Classification: Main-belt Asteroid          SPK-ID: 2357441
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156243595794267 1.3384e-07  
a 2.727108877876043 3.8197e-08 au
q 2.411788660368257 3.7982e-07 au
i 8.244995599026351 1.2473e-05 deg
node 343.5800698614343 5.5575e-05 deg
peri 159.8824956656148 6.8054e-05 deg
M 238.2579187144105 4.6541e-05 deg
tp 2459556.776052357651
(2021-Dec-08.27605236)
0.00022099 TDB
period 1644.947882720802
4.50
3.456e-05
9.462e-08
d
yr
n .2188519185206934 4.598e-09 deg/d
Q 3.04242909538383 4.2613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      6579 days (18.01 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:48  

Additional Information
 Earth MOID = 1.42556 au 
 Jupiter MOID = 1.96501 au 
 T_jup = 3.331 
[ 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 17.3   n/a MPO494859  

357441 (2004 BK98)          Discovered 2004-Jan-27 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2004 BK98 = 2001 QU302 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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