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JPL Small-Body Database Browser
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18045 (1999 RR100)
Classification: Main-belt Asteroid          SPK-ID: 2018045
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1434099525830945 6.5337e-08  
a 3.184433707888418 2.4957e-08 au
q 2.727754220836133 2.1043e-07 au
i 15.09961026798052 5.1387e-06 deg
node 282.7650772530197 2.161e-05 deg
peri 242.5154310607301 2.8577e-05 deg
M 331.0027603819066 2.0988e-05 deg
tp 2458767.686382959749
(2019-Oct-11.18638296)
0.00012162 TDB
period 2075.614736374928
5.68
2.4401e-05
6.681e-08
d
yr
n .1734425920625047 2.039e-09 deg/d
Q 3.641113194940704 2.8536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1485  
   data-arc span      12554 days (34.37 yr)  
   first obs. used      1984-12-27  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47336  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:34:25  

Additional Information
 Earth MOID = 1.77627 au 
 Jupiter MOID = 1.63935 au 
 T_jup = 3.129 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO458990  
diameter diameter 16.792 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18045 (1999 RR100)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RR100 = 1984 YJ4 = 1991 BS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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