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249601 (1998 RY69)
Classification: Main-belt Asteroid          SPK-ID: 2249601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2680926564108235 1.1764e-07  
a 2.51705580519031 6.3689e-09 au
q 1.842251628042556 2.9624e-07 au
i 4.222506035344839 9.0963e-06 deg
node 18.18294366549087 4.8685e-05 deg
peri 345.7761179880009 5.0365e-05 deg
M 152.4989455170693 8.4546e-06 deg
tp 2458382.622994267819
(2018-Sep-21.12299427)
3.3866e-05 TDB
period 1458.604984509142
3.99
5.536e-06
1.516e-08
d
yr
n .2468111680841056 9.3676e-10 deg/d
Q 3.191859982338065 8.0763e-09 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      7810 days (21.38 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:25:13  

Additional Information
 Earth MOID = .840634 au 
 Jupiter MOID = 2.26665 au 
 T_jup = 3.404 
[ 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 17.1   n/a MPO454851  

249601 (1998 RY69)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

Alternate Designations
 1998 RY69 = 2002 RU50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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