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JPL Small-Body Database Browser
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85987 (1999 JT5)
Classification: Inner Main-belt Asteroid          SPK-ID: 2085987
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06678695939048779 4.0053e-08  
a 1.911175043289554 7.1528e-09 au
q 1.783533473285261 7.7044e-08 au
i 23.51717115379122 6.2558e-06 deg
node 48.44995229497364 1.0816e-05 deg
peri 296.9953391186576 4.9851e-05 deg
M 78.82085439246931 5.1269e-05 deg
tp 2458389.205709104985
(2018-Sep-27.70570910)
0.00013702 TDB
period 965.0484672933591
2.64
5.4177e-06
1.483e-08
d
yr
n .373038258907017 2.0942e-09 deg/d
Q 2.038816613293847 7.6305e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1416  
   data-arc span      12466 days (34.13 yr)  
   first obs. used      1984-11-21  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40952  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:44:40  

Additional Information
 Earth MOID = .838972 au 
 Jupiter MOID = 3.14855 au 
 T_jup = 3.832 
[ 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 15.4   n/a MPO453291  

85987 (1999 JT5)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1999 JT5 = 1984 WN5 = 2000 QF181 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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