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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05575931968076032 4.9136e-08  
a 2.666068146731312 1.6563e-08 au
q 2.517410000647028 1.3727e-07 au
i 16.74946146530927 4.495e-06 deg
node 311.5801487952629 1.7782e-05 deg
peri 117.1000290408969 5.2083e-05 deg
M 24.24489023469417 4.6651e-05 deg
tp 2458893.416386587163
(2020-Feb-13.91638659)
0.00020623 TDB
period 1590.029917869317
4.35
1.4817e-05
4.057e-08
d
yr
n .2264108341322342 2.1099e-09 deg/d
Q 2.814726292815595 1.7486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      7683 days (21.03 yr)  
   first obs. used      1999-01-14  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50952  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:27:56  

Additional Information
 Earth MOID = 1.57177 au 
 Jupiter MOID = 2.34588 au 
 T_jup = 3.320 
[ 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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