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109484 (2001 QN223)
Classification: Main-belt Asteroid          SPK-ID: 2109484
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .185358964030375 3.8856e-08  
a 2.421463649777621 1.1696e-08 au
q 1.972623656217631 9.604e-08 au
i 1.47794578962296 5.7291e-06 deg
node 292.1121511084434 0.00018665 deg
peri 320.3192278347327 0.00018733 deg
M 45.48710951962109 1.7523e-05 deg
tp 2458826.599353136525
(2019-Dec-09.09935314)
6.6482e-05 TDB
period 1376.307123754396
3.77
9.9716e-06
2.73e-08
d
yr
n .2615695245534764 1.8951e-09 deg/d
Q 2.870303643337612 1.3864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      521  
   data-arc span      9498 days (26.00 yr)  
   first obs. used      1993-04-27  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55209  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:26:37  

Additional Information
 Earth MOID = .958455 au 
 Jupiter MOID = 2.17624 au 
 T_jup = 3.489 
[ 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 16.2   n/a MPO432617  
rotation period rot_per 7.50 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

109484 (2001 QN223)          Discovered 2001-Aug-24 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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