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JPL Small-Body Database Browser
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215155 (1999 XH146)
Classification: Main-belt Asteroid          SPK-ID: 2215155
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969136219863434 6.3222e-08  
a 2.384247618456183 1.5257e-08 au
q 1.914756784193663 1.5396e-07 au
i 6.958657124882977 5.7561e-06 deg
node 70.81050301013188 6.4359e-05 deg
peri 250.1473362256872 6.646e-05 deg
M 175.810291022979 1.5752e-05 deg
tp 2457943.799638755376
(2017-Jul-09.29963876)
5.814e-05 TDB
period 1344.700180361824
3.68
1.2908e-05
3.534e-08
d
yr
n .2677176706432309 2.5698e-09 deg/d
Q 2.853738452718703 1.8262e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6999 days (19.16 yr)  
   first obs. used      1999-11-28  
   last obs. used      2019-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:39:45  

Additional Information
 Earth MOID = .914528 au 
 Jupiter MOID = 2.47577 au 
 T_jup = 3.500 
[ 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 17.2   n/a MPO427265  

215155 (1999 XH146)          Discovered 1999-Dec-07 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ show close-approach data ]
Alternate Designations
 1999 XH146 = 2006 RX26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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