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120865 (1998 QN106)
Classification: Main-belt Asteroid          SPK-ID: 2120865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197379814502548 3.0016e-08  
a 2.216764837754224 9.1264e-09 au
q 1.779220205282524 6.5412e-08 au
i 5.584026809893979 5.1615e-06 deg
node 24.31779815376304 3.3588e-05 deg
peri 279.9847107964207 3.7042e-05 deg
M 298.3660598693186 1.8217e-05 deg
tp 2459406.893157133989
(2021-Jul-11.39315713)
6.1604e-05 TDB
period 1205.529557427219
3.30
7.4447e-06
2.038e-08
d
yr
n .2986239514262048 1.8441e-09 deg/d
Q 2.654309470225924 1.0928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      7917 days (21.68 yr)  
   first obs. used      1998-08-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54519  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:40:38  

Additional Information
 Earth MOID = .772946 au 
 Jupiter MOID = 2.60324 au 
 T_jup = 3.621 
[ 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 16.00   n/a E2021B55  
rotation period rot_per 8.212 h n/a LCDB (Rev. 2020-October); 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

120865 (1998 QN106)          Discovered 1998-Aug-25 by Elst, E. W. at La Silla
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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