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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2304516163800665 5.2743e-08  
a 2.185265775158017 1.0515e-08 AU
q 1.681667745052813 1.1087e-07 AU
i 5.197800131172833 6.1661e-06 deg
node 211.5152524696955 5.0081e-05 deg
peri 125.8786884507628 5.2203e-05 deg
M 275.7139489526198 1.6417e-05 deg
tp 2457276.753652640312
(2015-Sep-11.25365264)
5.5139e-05 JED
period 1179.926140976839
3.23
8.5162e-06
2.332e-08
d
yr
n .3051038429422053 2.2021e-09 deg/d
Q 2.688863805263221 1.2938e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      10481 days (28.70 yr)  
   first obs. used      1986-09-08  
   last obs. used      2015-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57007  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 16:31:34  

Additional Information
 Earth MOID = .679941 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 14.7 mag n/a MPO256999  

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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