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JPL Small-Body Database Browser
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74716 (1999 RO164)
Classification: Main-belt Asteroid          SPK-ID: 2074716
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151294728495324 3.1657e-08  
a 2.242790203432534 1.0103e-08 au
q 1.984578949599251 6.9184e-08 au
i 6.820064436155643 5.7696e-06 deg
node 329.6250362735123 2.8227e-05 deg
peri 292.7572795228385 3.8791e-05 deg
M 16.34528412795152 2.5724e-05 deg
tp 2458544.797924705780
(2019-Mar-02.29792471)
8.7732e-05 TDB
period 1226.821568162757
3.36
8.2892e-06
2.269e-08
d
yr
n .2934412055855219 1.9827e-09 deg/d
Q 2.501001457265817 1.1266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      965  
   data-arc span      8023 days (21.97 yr)  
   first obs. used      1997-12-08  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50481  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:49:33  

Additional Information
 Earth MOID = .980446 au 
 Jupiter MOID = 2.59142 au 
 T_jup = 3.615 
[ 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 15.4   n/a MPO280228  

74716 (1999 RO164)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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