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JPL Small-Body Database Browser
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109544 (2001 QH255)
Classification: Main-belt Asteroid          SPK-ID: 2109544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05550757834534516 4.921e-08  
a 2.665258446367512 1.6952e-08 au
q 2.517316404345174 1.3735e-07 au
i 16.74925424365534 5.2318e-06 deg
node 311.5872067666906 1.8034e-05 deg
peri 117.2971615523823 5.4866e-05 deg
M 293.4653495121442 5.0299e-05 deg
tp 2458894.233038903285
(2020-Feb-14.73303890)
0.00022178 TDB
period 1589.305620903256
4.35
1.5163e-05
4.151e-08
d
yr
n .2265140167285131 2.1611e-09 deg/d
Q 2.81320048838985 1.7893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      7630 days (20.89 yr)  
   first obs. used      1999-01-14  
   last obs. used      2019-12-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52435  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:06:25  

Additional Information
 Earth MOID = 1.57151 au 
 Jupiter MOID = 2.34776 au 
 T_jup = 3.321 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO453555  

109544 (2001 QH255)          Discovered 2001-Aug-25 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QH255 = 1999 BC29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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