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14538 (1997 RR8)
Classification: Main-belt Asteroid          SPK-ID: 2014538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06270020826080824 3.587e-08  
a 2.984046048406763 1.7734e-08 au
q 2.796945739711817 1.0644e-07 au
i 10.06246570446722 4.744e-06 deg
node 193.2220600441677 2.1379e-05 deg
peri 69.33343451530723 4.2688e-05 deg
M 162.0864080661786 3.6527e-05 deg
tp 2457752.783170337977
(2016-Dec-30.28317034)
0.00019041 TDB
period 1882.810917456609
5.15
1.6784e-05
4.595e-08
d
yr
n .1912034802126096 1.7045e-09 deg/d
Q 3.171146357101708 1.8846e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1514  
   data-arc span      9604 days (26.29 yr)  
   first obs. used      1992-10-03  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51215  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:27:39  

Additional Information
 Earth MOID = 1.80204 au 
 Jupiter MOID = 1.87593 au 
 T_jup = 3.232 
[ 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 13.7   n/a MPO365425  
diameter diameter 6.092 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.189   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14538 (1997 RR8)          Discovered 1997-Sep-12 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 RR8 = 1998 XQ84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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