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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1973019318584691 3.0006e-08  
a 2.217045487415739 9.1599e-09 au
q 1.779618129730513 6.5387e-08 au
i 5.583608606937223 5.1611e-06 deg
node 24.31946683147599 3.359e-05 deg
peri 279.9458278064176 3.7046e-05 deg
M 238.6797036365979 1.8051e-05 deg
tp 2459406.841607333018
(2021-Jul-11.34160733)
6.163e-05 TDB
period 1205.758500636293
3.30
7.4725e-06
2.046e-08
d
yr
n .2985672502495514 1.8503e-09 deg/d
Q 2.654472845100965 1.0967e-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 = .775286 au 
 Jupiter MOID = 2.60344 au 
 T_jup = 3.621 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457169.5 (2015-May-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978587865696584 3.0063e-08  
q 1.778272385852857 6.5554e-08 au
tp 2456995.000343269716
(2014-Dec-03.50034327)
5.5787e-05 TDB
node 24.34067770276342 3.3589e-05 deg
peri 279.9096707674722 3.7027e-05 deg
i 5.584765402335819 5.1611e-06 deg
  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
 Jupiter MOID = 2.60344 au 
 T_jup = 3.621 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.037544897935576E-16 -1.958937226174274E-15 4.636866037491251E-13 2.493709062559245E-15 1.368641440471182E-13 1.905854850231702E-15
q -1.958937226174274E-15 4.297348077278093E-15 -9.21333513852748E-13 -5.500577539390159E-15 -2.725047211681895E-13 -3.893204518941116E-15
tp 4.636866037491251E-13 -9.21333513852748E-13 3.112236685495985E-9 4.281547344907308E-12 8.754298321643483E-10 2.779867392808364E-12
node 2.493709062559245E-15 -5.500577539390159E-15 4.281547344907308E-12 1.128253270472488E-9 -1.121292515216745E-9 -1.388841757977572E-11
peri 1.368641440471182E-13 -2.725047211681895E-13 8.754298321643483E-10 -1.121292515216745E-9 1.37099843844392E-9 1.464042794269512E-11
i 1.905854850231702E-15 -3.893204518941116E-15 2.779867392808364E-12 -1.388841757977572E-11 1.464042794269512E-11 2.663706164573131E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO453679  

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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