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JPL Small-Body Database Browser
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85843 (1998 YT9)
Classification: Main-belt Asteroid          SPK-ID: 2085843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507110022873625 3.0566e-08  
a 2.224169060411799 8.2039e-09 au
q 1.888962312060596 6.756e-08 au
i 6.078741236435595 3.7989e-06 deg
node 114.4261006094528 4.1606e-05 deg
peri 313.6750386511808 4.4768e-05 deg
M 76.45147037154317 1.7393e-05 deg
tp 2458343.203747183449
(2018-Aug-12.70374718)
5.7852e-05 TDB
period 1211.574487237538
3.32
6.7034e-06
1.835e-08
d
yr
n .2971340217148526 1.644e-09 deg/d
Q 2.559375808763003 9.4403e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      7448 days (20.39 yr)  
   first obs. used      1998-12-16  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54127  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:56:06  

Additional Information
 Earth MOID = .908981 au 
 Jupiter MOID = 2.70992 au 
 T_jup = 3.625 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO366217  

85843 (1998 YT9)          Discovered 1998-Dec-25 by Korlevic, K., Juric, M. at Visnjan
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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