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JPL Small-Body Database Browser
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80122 (1999 RY155)
Classification: Main-belt Asteroid          SPK-ID: 2080122
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973604804485784 5.0518e-08  
a 2.22269150011433 6.3368e-09 au
q 1.784020037762794 1.1196e-07 au
i 4.258329618734788 4.2143e-06 deg
node 306.1077197647403 6.59e-05 deg
peri 50.67744118998965 6.6713e-05 deg
M 325.328435027759 9.4234e-06 deg
tp 2458717.070364385452
(2019-Aug-21.57036439)
3.1641e-05 TDB
period 1210.367377773729
3.31
5.1761e-06
1.417e-08
d
yr
n .2974303559487539 1.2719e-09 deg/d
Q 2.661362962465865 7.5874e-09 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      9457 days (25.89 yr)  
   first obs. used      1994-01-06  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49517  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 07:41:31  

Additional Information
 Earth MOID = .782234 au 
 Jupiter MOID = 2.78828 au 
 T_jup = 3.619 
[ 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 16.0   n/a MPO247913  

80122 (1999 RY155)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 RY155 = 1994 AZ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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