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109455 (2001 QG210)
Classification: Main-belt Asteroid          SPK-ID: 2109455
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1285448848669776 4.5761e-08  
a 2.521051491100055 1.1513e-08 au
q 2.196983217432877 1.1454e-07 au
i 1.319113336425066 4.3173e-06 deg
node 245.1270477402417 0.00022989 deg
peri 187.712537675642 0.0002308 deg
M 162.0082824343334 2.2438e-05 deg
tp 2458342.530567580796
(2018-Aug-12.03056758)
8.9804e-05 TDB
period 1462.079543784579
4.00
1.0016e-05
2.742e-08
d
yr
n .2462246336257078 1.6867e-09 deg/d
Q 2.845119764767234 1.2993e-08 au
  Orbit Determination Parameters
   # obs. used (total)      750  
   data-arc span      9212 days (25.22 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54685  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:05:05  

Additional Information
 Earth MOID = 1.21176 au 
 Jupiter MOID = 2.39867 au 
 T_jup = 3.444 
[ 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 15.9   n/a MPO426693  
rotation period rot_per 2.69 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.]

109455 (2001 QG210)          Discovered 2001-Aug-23 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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