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129669 (1998 RY)
Classification: Main-belt Asteroid          SPK-ID: 2129669
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3022213616940319 5.8227e-08  
a 2.57489969596844 1.1743e-08 au
q 1.796710003627309 1.4479e-07 au
i 3.431868134666479 5.0679e-06 deg
node 232.7618166158579 0.00010791 deg
peri 156.5533025638912 0.00010855 deg
M 76.38584071154395 1.5419e-05 deg
tp 2458680.279402944463
(2019-Jul-15.77940294)
6.3163e-05 TDB
period 1509.172562167946
4.13
1.0324e-05
2.827e-08
d
yr
n .2385413100029167 1.6319e-09 deg/d
Q 3.35308938830957 1.5292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      577  
   data-arc span      7836 days (21.45 yr)  
   first obs. used      1998-08-20  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:05:23  

Additional Information
 Earth MOID = .802679 au 
 Jupiter MOID = 2.10217 au 
 T_jup = 3.360 
[ 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 15.7   n/a MPO502832  

129669 (1998 RY)          Discovered 1998-Sep-12 by Kobayashi, T. at Oizumi
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Alternate Designations
 1998 RY = 2002 NL26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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