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10239 Hermann (1998 TY30)
Classification: Main-belt Asteroid          SPK-ID: 2010239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2355524525313772 1.3546e-08  
a 3.168596275783406 1.7194e-08 au
q 2.422225651940836 4.2646e-08 au
i 16.94280958435285 1.3703e-06 deg
node 28.46480869102781 3.1053e-06 deg
peri 292.2390888149773 6.7218e-06 deg
M 61.60592985835646 5.3602e-06 deg
tp 2459043.951554327077
(2020-Jul-13.45155433)
2.8792e-05 TDB
period 2060.149741008034
5.64
1.6769e-05
4.591e-08
d
yr
n .1747445794031708 1.4223e-09 deg/d
Q 3.914966899625975 2.1244e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2331  
   data-arc span      14540 days (39.81 yr)  
   first obs. used      1981-09-25  
   last obs. used      2021-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42811  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 12:55:35  

Additional Information
 Earth MOID = 1.46987 au 
 Jupiter MOID = 1.81876 au 
 T_jup = 3.093 
[ 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 12.43   n/a E2021B10  

10239 Hermann           Discovered 1998 Oct. 10 by the Lowell Observatory Near-Earth-Object Search at Anderson Mesa Station.
Shawn M. Hermann (b. 1975), now at Raytheon Corporation, Tucson, was one of the first observers for LONEOS. During 1998--1999 he discovered two Apollos, an Amor and a comet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000726/MPCPages.arcLast Updated: 2013-03-29

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Alternate Designations
 1998 TY30 = 1981 SJ5 = 1981 UZ = 1987 XE1 = 1992 QT1 = 1996 HJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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