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214445 (2005 RS18)
Classification: Main-belt Asteroid          SPK-ID: 2214445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635278377442435 5.7184e-08  
a 3.104336523159422 2.8708e-08 au
q 2.596691083896679 1.8965e-07 au
i 2.44334715794826 5.9606e-06 deg
node 166.0764637240907 0.00012552 deg
peri 82.45541316179639 0.00012675 deg
M 335.6814418346532 1.7529e-05 deg
tp 2459135.454366258941
(2020-Oct-12.95436626)
9.7481e-05 TDB
period 1997.798205094616
5.47
2.7712e-05
7.587e-08
d
yr
n .1801983799374523 2.4996e-09 deg/d
Q 3.611981962422164 3.3402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      8952 days (24.51 yr)  
   first obs. used      1995-10-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:06:08  

Additional Information
 Earth MOID = 1.58433 au 
 Jupiter MOID = 1.42511 au 
 T_jup = 3.199 
[ 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 15.7   n/a MPO433401  
diameter diameter 5.188 km 1.152 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

214445 (2005 RS18)          Discovered 2005-Sep-01 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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