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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798555201754072 3.4951e-08  
a 2.454362931587286 6.6436e-09 au
q 2.012932209827417 8.5638e-08 au
i 4.057482372563325 3.0378e-06 deg
node 88.53983690185157 5.8773e-05 deg
peri 38.48172936487144 5.9773e-05 deg
M 8.443047423911995 9.7239e-06 deg
tp 2459167.561537032926
(2020-Nov-14.06153703)
3.7934e-05 TDB
period 1404.451032048369
3.85
5.7025e-06
1.561e-08
d
yr
n .2563279116075309 1.0408e-09 deg/d
Q 2.895793653347155 7.8385e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2129  
   data-arc span      10430 days (28.56 yr)  
   first obs. used      1992-09-02  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45997  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:43:14  

Additional Information
 Earth MOID = 1.03001 au 
 Jupiter MOID = 2.16942 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 14.14   n/a E2021B10  
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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