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190356 (1999 BY28)
Classification: Main-belt Asteroid          SPK-ID: 2190356
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332171062499727 4.3982e-08  
a 2.384089793636068 9.2953e-09 au
q 2.066488250287776 1.0302e-07 au
i .6131388451867079 5.1871e-06 deg
node 296.0815329695922 0.000431 deg
peri 136.1159977586735 0.00043171 deg
M 27.34548613679302 2.2056e-05 deg
tp 2459098.367141447526
(2020-Sep-05.86714145)		 8.2267e-05 TDB
period 1344.566664310276
3.68		 7.8635e-06
2.153e-08		 d
yr
n .2677442551237648 1.5659e-09 deg/d
Q 2.701691336984359 1.0534e-08 au
   Orbit Determination Parameters
   # obs. used (total)      417  
   data-arc span      11087 days (30.35 yr)  
   first obs. used      1990-10-13  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51031  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:18  

Additional Information
 Earth MOID = 1.0807 au 
 Jupiter MOID = 2.54186 au 
 T_jup = 3.524 
[ 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 17.2   n/a MPO446125  

190356 (1999 BY28)          Discovered 1999-Jan-18 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 1999 BY28 = 2001 SQ137 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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