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14137 (1998 RB71)
Classification: Main-belt Asteroid          SPK-ID: 2014137
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173105816546058 2.8287e-08  
a 2.799932897282408 1.2342e-08 au
q 2.191477850780102 8.0164e-08 au
i 8.922342721430036 4.0607e-06 deg
node 152.5861768780878 2.714e-05 deg
peri 308.0705989556797 2.9371e-05 deg
M 155.794011803343 1.1237e-05 deg
tp 2458259.926578091696
(2018-May-21.42657809)
5.1766e-05 TDB
period 1711.275220407852
4.69
1.1315e-05
3.098e-08
d
yr
n .2103694342714788 1.3909e-09 deg/d
Q 3.408387943784713 1.5024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1153  
   data-arc span      15867 days (43.44 yr)  
   first obs. used      1975-12-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49015  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:13:15  

Additional Information
 Earth MOID = 1.22104 au 
 Jupiter MOID = 1.8027 au 
 T_jup = 3.273 
[ 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 14.5   n/a MPO473958  
diameter diameter 8.266 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.23 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.049   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

14137 (1998 RB71)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RB71 = 1975 XC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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