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18394 (1992 RR5)
Classification: Main-belt Asteroid          SPK-ID: 2018394
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797972243058313 4.0627e-08  
a 2.453528535466216 8.4042e-09 au
q 2.012390915034239 1.0147e-07 au
i 4.057699596349368 3.6141e-06 deg
node 88.5398654057945 6.2657e-05 deg
peri 38.60929197163497 6.3614e-05 deg
M 214.4796754602998 1.015e-05 deg
tp 2459167.922105268612
(2020-Nov-14.42210527)
3.9941e-05 TDB
period 1403.734897807843
3.84
7.2124e-06
1.975e-08
d
yr
n .2564586807396452 1.3177e-09 deg/d
Q 2.894666155898193 9.9152e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      9949 days (27.24 yr)  
   first obs. used      1992-09-02  
   last obs. used      2019-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49544  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:28:03  

Additional Information
 Earth MOID = 1.02992 au 
 Jupiter MOID = 2.17213 au 
 T_jup = 3.468 
[ 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 14.1   n/a MPO263511  
diameter diameter 4.473 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.184   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18394 (1992 RR5)          Discovered 1992-Sep-02 by Elst, E. W. at La Silla
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1992 RR5 = 1994 CT1 = 1999 NO20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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