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JPL Small-Body Database Browser
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59962 (1999 RL234)
Classification: Main-belt Asteroid          SPK-ID: 2059962
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248298288605696 6.7152e-08  
a 3.179845064153292 3.1641e-08 au
q 2.78290554899191 2.2014e-07 au
i 10.89498046274197 6.4796e-06 deg
node 31.02882948280794 3.2196e-05 deg
peri 307.9428034915506 3.7978e-05 deg
M 176.2116505130384 2.2045e-05 deg
tp 2457586.729884063054
(2016-Jul-17.22988406)
0.00012248 TDB
period 2071.130034108025
5.67
3.0913e-05
8.464e-08
d
yr
n .1738181543753439 2.5943e-09 deg/d
Q 3.576784579314675 3.559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      585  
   data-arc span      7186 days (19.67 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:16:17  

Additional Information
 Earth MOID = 1.79082 au 
 Jupiter MOID = 1.92246 au 
 T_jup = 3.160 
[ 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 14.3   n/a MPO432154  
diameter diameter 3.800 km 1.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.8 h n/a LCDB (Rev. 2019-January); 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:
[Warner, B.D (2012) Minor Planet Bull. 39, 69-80.]
geometric albedo albedo 0.177   0.140 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59962 (1999 RL234)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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