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JPL Small-Body Database Browser
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71214 (1999 XG261)
Classification: Outer Main-belt Asteroid          SPK-ID: 2071214
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152293282030726 7.8843e-08  
a 3.234103822880051 3.4678e-08 au
q 2.861440212030594 2.5025e-07 au
i 18.87038217223001 8.3125e-06 deg
node 344.8818438228537 1.539e-05 deg
peri 154.7110373697301 2.8601e-05 deg
M 90.884384268978 2.4661e-05 deg
tp 2458064.189707182698
(2017-Nov-06.68970718)
0.00014232 TDB
period 2124.366104993583
5.82
3.4168e-05
9.355e-08
d
yr
n .1694623159133334 2.7256e-09 deg/d
Q 3.606767433729508 3.8674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      7164 days (19.61 yr)  
   first obs. used      1998-10-30  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57321  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:16:03  

Additional Information
 Earth MOID = 1.88318 au 
 Jupiter MOID = 1.41491 au 
 T_jup = 3.091 
[ 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 14.1   n/a MPO347978  

71214 (1999 XG261)          Discovered 1999-Dec-03 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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