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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1252051385531755 6.6867e-08  
a 3.179043279312024 3.1256e-08 au
q 2.78101072505922 2.1923e-07 au
i 10.89641447471833 6.4804e-06 deg
node 31.02394972837209 3.2051e-05 deg
peri 307.9225639340941 3.7809e-05 deg
M 245.8045704395341 2.2347e-05 deg
tp 2459657.233710194390
(2022-Mar-18.73371019)
0.00013254 TDB
period 2070.346743122455
5.67
3.0533e-05
8.359e-08
d
yr
n .1738839163999434 2.5644e-09 deg/d
Q 3.577075833564828 3.517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      7452 days (20.40 yr)  
   first obs. used      1999-09-04  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:57:52  

Additional Information
 Earth MOID = 1.78983 au 
 Jupiter MOID = 1.92574 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-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:
[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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