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JPL Small-Body Database Browser
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18537 (1996 XH18)
Classification: Main-belt Asteroid          SPK-ID: 2018537
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583445507082956 3.9091e-08  
a 2.775748470245708 1.4627e-08 au
q 2.336223825845412 1.1115e-07 au
i 10.28504424905812 3.6851e-06 deg
node 122.7214012893387 2.5248e-05 deg
peri 300.5539745484396 2.7999e-05 deg
M 336.0701983032228 1.2134e-05 deg
tp 2458712.780720159038
(2019-Aug-17.28072016)
5.7166e-05 TDB
period 1689.151450958217
4.62
1.3352e-05
3.656e-08
d
yr
n .2131247614272718 1.6846e-09 deg/d
Q 3.215273114646004 1.6943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1432  
   data-arc span      9754 days (26.70 yr)  
   first obs. used      1993-03-23  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:29:05  

Additional Information
 Earth MOID = 1.36924 au 
 Jupiter MOID = 2.12255 au 
 T_jup = 3.294 
[ 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 13.7   n/a MPO452433  

18537 (1996 XH18)          Discovered 1996-Dec-07 by Spacewatch at Kitt Peak
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 XH18 = 1993 FM2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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