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19961 (1986 QP3)
Classification: Main-belt Asteroid          SPK-ID: 2019961
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2102930156236355 3.1027e-08  
a 2.239683926832978 5.9284e-09 au
q 1.768694039815485 6.906e-08 au
i 3.139277116326663 3.4911e-06 deg
node 40.83799887137123 6.1533e-05 deg
peri 329.9754320562217 6.2157e-05 deg
M 64.27571672857674 1.0559e-05 deg
tp 2458981.913692317727
(2020-May-12.41369232)
3.5464e-05 TDB
period 1224.27371907675
3.35
4.861e-06
1.331e-08
d
yr
n .2940518892061845 1.1675e-09 deg/d
Q 2.71067381385047 7.1751e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1773  
   data-arc span      25603 days (70.10 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:10:17  

Additional Information
 Earth MOID = .768027 au 
 Jupiter MOID = 2.75325 au 
 T_jup = 3.604 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456940.5 (2014-Oct-10.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2107497651957052 3.1066e-08  
q 1.767886513472297 6.9215e-08 au
tp 2456534.152324614196
(2013-Aug-29.65232461)
3.1662e-05 TDB
node 40.89045233568548 6.1474e-05 deg
peri 330.0219991787824 6.2095e-05 deg
i 3.141533919941159 3.4921e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1773  
   data-arc span      25603 days (70.10 yr)  
   first obs. used      1951-02-04  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:10:17  

Additional Information
 Jupiter MOID = 2.75325 au 
 T_jup = 3.604 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.650791900718586E-16 -2.145384331954355E-15 2.132468187396798E-13 -7.189688252429485E-16 3.666898407251635E-14 3.292619616527055E-16
q -2.145384331954355E-15 4.790709507916144E-15 -4.432817370577586E-13 1.1372367870695E-15 -7.121208559969016E-14 -7.629306305460803E-16
tp 2.132468187396798E-13 -4.432817370577586E-13 1.00251192907308E-9 -5.812302207324564E-12 2.869853463479139E-10 -1.82825031391501E-13
node -7.189688252429485E-16 1.1372367870695E-15 -5.812302207324564E-12 3.779010841481998E-9 -3.774493800651236E-9 1.569850016329696E-11
peri 3.666898407251635E-14 -7.121208559969016E-14 2.869853463479139E-10 -3.774493800651236E-9 3.85580786210149E-9 -1.573908914407375E-11
i 3.292619616527055E-16 -7.629306305460803E-16 -1.82825031391501E-13 1.569850016329696E-11 -1.573908914407375E-11 1.219449835515069E-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 14.96   n/a E2021B10  

19961 (1986 QP3)          Discovered 1986-Aug-29 by Debehogne, H. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1986 QP3 = 1976 ST8 = 2000 WU54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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