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160889 (2001 QX279)
Classification: Main-belt Asteroid          SPK-ID: 2160889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1287707740183579 7.3403e-08  
a 2.298254482394111 1.3261e-08 au
q 2.002306473805061 1.6723e-07 au
i 7.297107750373323 6.3745e-06 deg
node 39.9860445144617 4.3412e-05 deg
peri 321.6240945773674 4.6224e-05 deg
M 178.2043444203705 1.8107e-05 deg
tp 2458570.542302088121
(2019-Mar-28.04230209)
6.1692e-05 TDB
period 1272.610788395307
3.48
1.1015e-05
3.016e-08
d
yr
n .2828830332751936 2.4484e-09 deg/d
Q 2.594202490983161 1.4969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      10192 days (27.90 yr)  
   first obs. used      1993-04-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:13  

Additional Information
 Earth MOID = 1.0046 au 
 Jupiter MOID = 2.86915 au 
 T_jup = 3.571 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457241.5 (2015-Aug-07.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1293430296164358 7.3721e-08  
q 2.001129834504338 1.6812e-07 au
tp 2457295.947498494463
(2015-Sep-30.44749849)
5.7678e-05 TDB
node 40.01144223793841 4.3414e-05 deg
peri 321.1791785674469 4.617e-05 deg
i 7.297946510368952 6.3771e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      393  
   data-arc span      10192 days (27.90 yr)  
   first obs. used      1993-04-19  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57232  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:03:13  

Additional Information
 Jupiter MOID = 2.86915 au 
 T_jup = 3.571 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.434765502052014E-15 -1.23652868262617E-14 -1.799804383325221E-13 4.224830944726776E-15 -1.645572105684606E-13 1.860751186013937E-15
q -1.23652868262617E-14 2.826293811468548E-14 5.692118013766364E-13 -1.079585071937754E-14 4.150369382696661E-13 -3.961252365135312E-15
tp -1.799804383325221E-13 5.692118013766364E-13 3.326766150703736E-9 1.618864102558984E-11 9.344432045187344E-10 -3.703731174587643E-12
node 4.224830944726776E-15 -1.079585071937754E-14 1.618864102558984E-11 1.884797137508962E-9 -1.864125913934022E-9 -1.417955381662492E-10
peri -1.645572105684606E-13 4.150369382696661E-13 9.344432045187344E-10 -1.864125913934022E-9 2.131660451999718E-9 1.395475277276478E-10
i 1.860751186013937E-15 -3.961252365135312E-15 -3.703731174587643E-12 -1.417955381662492E-10 1.395475277276478E-10 4.066717318749692E-11

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 16.34   n/a MPCxxxxx  

160889 (2001 QX279)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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