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109405 (2001 QH181)
Classification: Main-belt Asteroid          SPK-ID: 2109405
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1927602154190464 4.5908e-08  
a 2.663197568194327 1.1967e-08 au
q 2.149839031245707 1.2244e-07 au
i 11.71105724911536 4.3443e-06 deg
node 257.538835981356 2.1924e-05 deg
peri 92.29054453647097 2.4798e-05 deg
M 142.0047945461873 1.096e-05 deg
tp 2458374.313050256925
(2018-Sep-12.81305026)
4.7283e-05 TDB
period 1587.462610878159
4.35
1.07e-05
2.93e-08
d
yr
n .2267769946410604 1.5285e-09 deg/d
Q 3.176556105142946 1.4274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1055  
   data-arc span      7188 days (19.68 yr)  
   first obs. used      2000-05-28  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:25:05  

Additional Information
 Earth MOID = 1.18246 au 
 Jupiter MOID = 2.39887 au 
 T_jup = 3.329 
[ 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 15.0   n/a MPO493617  

109405 (2001 QH181)          Discovered 2001-Aug-27 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QH181 = 2000 KK53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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