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193880 (2001 QE180)
Classification: Main-belt Asteroid          SPK-ID: 2193880
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310528217074023 6.7971e-08  
a 2.312360030599864 8.5585e-09 au
q 1.77808272072635 1.5849e-07 au
i 3.355198703333387 4.7046e-06 deg
node 80.57109525136542 0.00011369 deg
peri 280.0263131504213 0.00011419 deg
M 111.5170516708596 1.1701e-05 deg
tp 2458602.649062403837
(2019-Apr-29.14906240)
4.0549e-05 TDB
period 1284.344729246864
3.52
7.1304e-06
1.952e-08
d
yr
n .2802985770114095 1.5562e-09 deg/d
Q 2.846637340473377 1.0536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      6725 days (18.41 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:08  

Additional Information
 Earth MOID = .778837 au 
 Jupiter MOID = 2.61043 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456697.5 (2014-Feb-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2324212758928313 6.8235e-08  
q 1.773999273524429 1.5923e-07 au
tp 2457317.479317678457
(2015-Oct-21.97931768)
3.662e-05 TDB
node 80.61872507543569 0.00011385 deg
peri 279.8202744692188 0.00011433 deg
i 3.354505684813152 4.7017e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      6725 days (18.41 yr)  
   first obs. used      2001-08-25  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55185  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:11:08  

Additional Information
 Jupiter MOID = 2.61043 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.656075926541051E-15 -1.08562079257582E-14 -5.011121077446925E-13 6.597135767377824E-14 -7.993293019527469E-14 -1.124181307871148E-14
q -1.08562079257582E-14 2.53540110095579E-14 1.252824390581135E-12 -1.548737194787269E-13 2.041715516404952E-13 2.63344472270698E-14
tp -5.011121077446925E-13 1.252824390581135E-12 1.341040480723274E-9 -3.95331690777077E-12 4.215272285359771E-10 2.499139471099771E-12
node 6.597135767377824E-14 -1.548737194787269E-13 -3.95331690777077E-12 1.296240728493177E-8 -1.294035286194196E-8 -2.717461591748083E-11
peri -7.993293019527469E-14 2.041715516404952E-13 4.215272285359771E-10 -1.294035286194196E-8 1.307220142164934E-8 2.754255729095775E-11
i -1.124181307871148E-14 2.63344472270698E-14 2.499139471099771E-12 -2.717461591748083E-11 2.754255729095775E-11 2.210614485958927E-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 16.8   n/a MPO449957  

193880 (2001 QE180)          Discovered 2001-Aug-25 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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