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JPL Small-Body Database Browser
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59813 (1999 RU18)
Classification: Main-belt Asteroid          SPK-ID: 2059813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896046801803488 4.627e-08  
a 2.15331789555978 5.4951e-09 au
q 1.745038744645546 9.9298e-08 au
i 1.115903233595761 4.4817e-06 deg
node 248.60937362 0.00021581 deg
peri 129.8198001777388 0.0002161 deg
M 56.44040466215962 9.4739e-06 deg
tp 2458419.554298940993
(2018-Oct-28.05429894)
3.0402e-05 TDB
period 1154.145736040688
3.16
4.4179e-06
1.21e-08
d
yr
n .3119190140016326 1.194e-09 deg/d
Q 2.561597046474014 6.537e-09 au
  Orbit Determination Parameters
   # obs. used (total)      838  
   data-arc span      23097 days (63.24 yr)  
   first obs. used      1955-10-25  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52325  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:36  

Additional Information
 Earth MOID = .746503 au 
 Jupiter MOID = 2.89875 au 
 T_jup = 3.679 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO296572  

59813 (1999 RU18)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RU18 = 1977 UD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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