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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09917834600473448 5.4323e-08  
a 2.569143019094977 1.0477e-08 au
q 2.314339663811527 1.3937e-07 au
i 1.494172522978342 4.1676e-06 deg
node 155.313965780973 0.00018565 deg
peri 243.3533089546021 0.00018692 deg
M 316.735113785812 1.9177e-05 deg
tp 2459181.264820331360
(2020-Nov-27.76482033)
7.9821e-05 TDB
period 1504.114329507918
4.12
9.2011e-06
2.519e-08
d
yr
n .2393435079617761 1.4641e-09 deg/d
Q 2.823946374378426 1.1517e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1214  
   data-arc span      14505 days (39.71 yr)  
   first obs. used      1981-02-09  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50409  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:59:25  

Additional Information
 Earth MOID = 1.32223 au 
 Jupiter MOID = 2.53294 au 
 T_jup = 3.423 
[ 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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