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JPL Small-Body Database Browser
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74723 (1999 RU168)
Classification: Main-belt Asteroid          SPK-ID: 2074723
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1304255889787854 3.7794e-08  
a 2.245672539730825 6.7592e-09 au
q 1.952779376082947 8.633e-08 au
i 2.900713473262011 3.89e-06 deg
node 169.5519235600536 6.3752e-05 deg
peri 146.1157706215715 6.5714e-05 deg
M 325.8650967452676 1.35e-05 deg
tp 2458717.050527934372
(2019-Aug-21.55052793)
4.5882e-05 TDB
period 1229.187314323406
3.37
5.5495e-06
1.519e-08
d
yr
n .2928764361664101 1.3223e-09 deg/d
Q 2.538565703378703 7.6408e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1471  
   data-arc span      10484 days (28.70 yr)  
   first obs. used      1991-02-17  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54874  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:56:02  

Additional Information
 Earth MOID = .939153 au 
 Jupiter MOID = 2.70882 au 
 T_jup = 3.618 
[ 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 15.1   n/a MPO280228  

74723 (1999 RU168)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RU168 = 1998 FF29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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