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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2308394160894017 8.5977e-08  
a 2.312034262706277 9.046e-09 au
q 1.77832562352447 2.0105e-07 au
i 3.355371895631543 4.725e-06 deg
node 80.57188855574354 0.00012922 deg
peri 280.0175339653094 0.00012966 deg
M 359.4143406240779 1.1796e-05 deg
tp 2458602.588971067896
(2019-Apr-29.08897107)
4.208e-05 TDB
period 1284.073328901482
3.52
7.536e-06
2.063e-08
d
yr
n .28035782061448 1.6454e-09 deg/d
Q 2.845742901888084 1.1134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      6111 days (16.73 yr)  
   first obs. used      2001-08-25  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56655  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:38:10  

Additional Information
 Earth MOID = .778208 au 
 Jupiter MOID = 2.60771 au 
 T_jup = 3.545 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456519.5 (2013-Aug-15.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2324124550517898 8.6334e-08  
q 1.774079845322637 2.0222e-07 au
tp 2456034.243270528859
(2012-Apr-16.74327053)
3.5443e-05 TDB
node 80.61990312975215 0.00012942 deg
peri 279.8452310152164 0.00012983 deg
i 3.354520770074032 4.7219e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      6111 days (16.73 yr)  
   first obs. used      2001-08-25  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56655  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:38:10  

Additional Information
 Jupiter MOID = 2.60771 au 
 T_jup = 3.545 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.45349381700602E-15 -1.744874140752161E-14 -6.951401335613027E-13 1.148276050254624E-13 -1.324987933800675E-13 -1.828338484473108E-14
q -1.744874140752161E-14 4.089131418079138E-14 1.658440627627651E-12 -2.696212382858127E-13 3.2299450646454E-13 4.291657332475821E-14
tp -6.951401335613027E-13 1.658440627627651E-12 1.256230605057346E-9 -5.283629992329551E-12 4.239913748040401E-10 2.908921208754443E-12
node 1.148276050254624E-13 -2.696212382858127E-13 -5.283629992329551E-12 1.67488227778953E-8 -1.672064904618891E-8 -2.681955424595605E-11
peri -1.324987933800675E-13 3.2299450646454E-13 4.239913748040401E-10 -1.672064904618891E-8 1.685623361475099E-8 2.721491917525064E-11
i -1.828338484473108E-14 4.291657332475821E-14 2.908921208754443E-12 -2.681955424595605E-11 2.721491917525064E-11 2.229613198928356E-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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