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JPL Small-Body Database Browser
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303450 (2005 BY2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2303450
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3304406731481665 5.8669e-08  
a 1.268840282115767 2.3479e-09 au
q .8495638451759232 7.4143e-08 au
i 7.291236075132119 9.1771e-06 deg
node 74.4761555038353 4.9256e-05 deg
peri 130.2261436586389 5.2142e-05 deg
M 301.5253475185445 1.7745e-05 deg
tp 2458685.295735651647
(2019-Jul-20.79573565)
2.5737e-05 TDB
period 522.0461095390717
1.43
1.449e-06
3.967e-09
d
yr
n .6895942588631749 1.9141e-09 deg/d
Q 1.68811671905561 3.1237e-09 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      5072 days (13.89 yr)  
   first obs. used      2004-12-10  
   last obs. used      2018-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52505  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-02 07:10:36  

Additional Information
 Earth MOID = .0410186 au 
 Jupiter MOID = 3.27906 au 
 T_jup = 5.025 
[ 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 20.5   n/a MPO345816  
diameter diameter 0.187 km 0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.317   0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

303450 (2005 BY2)          Discovered 2005-Jan-19 by LINEAR at Socorro
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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