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190770 (2001 QA205)
Classification: Main-belt Asteroid          SPK-ID: 2190770
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515609052435606 3.6955e-08  
a 2.276114978870282 1.0627e-08 au
q 1.931144932234274 8.1183e-08 au
i 4.751725644118978 3.8235e-06 deg
node 254.3107082580933 5.684e-05 deg
peri 192.3826955634048 5.9194e-05 deg
M 130.4880963654598 1.6258e-05 deg
tp 2458745.869972404773
(2019-Sep-19.36997241)
5.6141e-05 TDB
period 1254.266208895392
3.43
8.7841e-06
2.405e-08
d
yr
n .2870204087831122 2.0101e-09 deg/d
Q 2.62108502550629 1.2238e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7826 days (21.43 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:03  

Additional Information
 Earth MOID = .947382 au 
 Jupiter MOID = 2.58127 au 
 T_jup = 3.589 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457663.5 (2016-Oct-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505952267768124 3.6965e-08  
q 1.933991743829765 8.1159e-08 au
tp 2457491.527747348964
(2016-Apr-13.02774735)
5.6313e-05 TDB
node 254.3639936425387 5.6905e-05 deg
peri 192.5123068408561 5.9293e-05 deg
i 4.747483274236069 3.8214e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      7826 days (21.43 yr)  
   first obs. used      1998-11-18  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:09:03  

Additional Information
 Jupiter MOID = 2.58127 au 
 T_jup = 3.589 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.366387652911493E-15 -2.983875378653257E-15 5.544002670629194E-13 1.001641751717861E-14 1.444766037104912E-13 -1.848419850345355E-15
q -2.983875378653257E-15 6.586834653648189E-15 -1.280671315365315E-12 -2.118165682571766E-14 -3.346255212311863E-13 4.073827535263539E-15
tp 5.544002670629194E-13 -1.280671315365315E-12 3.171141546908686E-9 3.500271476988041E-11 9.6046201955885E-10 -1.922399690954507E-12
node 1.001641751717861E-14 -2.118165682571766E-14 3.500271476988041E-11 3.23822799888383E-9 -3.216099219258858E-9 5.901027560562386E-11
peri 1.444766037104912E-13 -3.346255212311863E-13 9.6046201955885E-10 -3.216099219258858E-9 3.515686105708731E-9 -5.937095500582498E-11
i -1.848419850345355E-15 4.073827535263539E-15 -1.922399690954507E-12 5.901027560562386E-11 -5.937095500582498E-11 1.460309799652664E-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 16.89   n/a E2021B55  

190770 (2001 QA205)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ show close-approach data ]
Alternate Designations
 2001 QA205 = 2003 EE45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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