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18389 (1992 JU2)
Classification: Main-belt Asteroid          SPK-ID: 2018389
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304599770659453 4.1534e-08  
a 2.185443824662098 6.5983e-09 au
q 1.681786490951559 8.9916e-08 au
i 5.197863748496578 4.8892e-06 deg
node 211.5088169071984 4.5748e-05 deg
peri 125.842438128965 4.7141e-05 deg
M 37.77668111526069 9.3405e-06 deg
tp 2457276.669051964036
(2015-Sep-11.16905196)
3.0564e-05 JED
period 1180.070349667066
3.23
5.3443e-06
1.463e-08
d
yr
n .3050665581942357 1.3816e-09 deg/d
Q 2.689101158372636 8.119e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      10685 days (29.25 yr)  
   first obs. used      1986-09-08  
   last obs. used      2015-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53618  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:39:37  

Additional Information
 Earth MOID = .677608 au 
 Jupiter MOID = 2.71135 au 
 T_jup = 3.637 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.8 mag n/a MPO347667  

18389 (1992 JU2)          Discovered 1992-May-04 by Debehogne, H. at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 JU2 = 1986 RG10 = 1998 FC76 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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