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67054 (1999 XR209)
Classification: Main-belt Asteroid          SPK-ID: 2067054
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610970424739522 5.3223e-08  
a 3.097994223439306 2.3742e-08 au
q 2.598916516441846 1.7312e-07 au
i 16.64373516695293 5.8947e-06 deg
node 302.3544120700578 1.8282e-05 deg
peri 159.2746889798672 2.7543e-05 deg
M 288.3624564303425 2.0467e-05 deg
tp 2459596.830520057011
(2022-Jan-17.33052006)
0.00011411 TDB
period 1991.678945297566
5.45
2.2896e-05
6.269e-08
d
yr
n .180752023738552 2.0779e-09 deg/d
Q 3.597071930436766 2.7567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      8203 days (22.46 yr)  
   first obs. used      1998-08-27  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:27:01  

Additional Information
 Earth MOID = 1.6217 au 
 Jupiter MOID = 1.5574 au 
 T_jup = 3.139 
[ 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 14.30   n/a E2021B10  

67054 (1999 XR209)          Discovered 1999-Dec-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XR209 = 1998 SD68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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