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JPL Small-Body Database Browser
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11462 Hsingwenlin (1981 ES23)
Classification: Main-belt Asteroid          SPK-ID: 2011462
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0995226119129109 6.3961e-08  
a 2.571493548542404 1.3467e-08 au
q 2.315571794074264 1.6092e-07 au
i 1.493142719014499 4.434e-06 deg
node 155.365222823273 0.00020586 deg
peri 242.6832466828915 0.00020701 deg
M 221.7446208004934 2.0134e-05 deg
tp 2459178.937076460009
(2020-Nov-25.43707646)
8.3992e-05 TDB
period 1506.178990873915
4.12
1.1832e-05
3.239e-08
d
yr
n .239015417278607 1.8777e-09 deg/d
Q 2.827415303010544 1.4808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      891  
   data-arc span      13560 days (37.13 yr)  
   first obs. used      1981-02-09  
   last obs. used      2018-03-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54393  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 12:17:13  

Additional Information
 Earth MOID = 1.32267 au 
 Jupiter MOID = 2.5336 au 
 T_jup = 3.422 
[ 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 14.9   n/a MPO395111  

11462 Hsingwenlin           Discovered 1981 Mar. 3 by S. J. Bus at Siding Spring.
Hsing-Wen "Edward" Lin (b. 1982) is a postdoctoral researcher at the National Central University of Taiwan whose research spans from trans-Neptunian objects, to Centaurs, Neptune Trojans and main-belt asteroids.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

[ show close-approach data ]
Alternate Designations
 1981 ES23 = 1991 RW40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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