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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1936-Nov-22 17:06 00:01 Iris 0.048254511384485 0.0482528349420693 0.0482561885262478 4.01193196799046 4.01193193829558 2428495.212252236 1.10982281337702 311.078238200336 21.5457106927187 -74.9225456159433 323389.386276644 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 03:10:24 2021-Apr-13 03:10
1973-Sep-28 15:17 < 00:01 Iris 0.0491153403406454 0.0491136255743242 0.0491170552432639 4.20398942712424 4.20398939928263 2441954.137044613 0.458059153937539 158.438117966623 21.8636117257549 58.2232737987872 286587.170771646 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 03:10:24 2021-Apr-13 03:10
2047-Jun-23 06:23 < 00:01 Iris 0.0458463482124439 0.0458447343920303 0.045847962198501 4.23398079261116 4.23398076299564 2468884.766090715 0.440398335493017 163.877948071108 21.9437475140009 61.5369251250916 275356.52339896 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 03:10:24 2021-Apr-13 03:10
2135-May-23 19:50 00:02 Amphi 0.0341126832577336 0.0341056520204359 0.0341197147725623 2.78612603362351 2.78612597313729 2500995.326168458 2.324079568204 382.755125327044 35.9073476608278 -23.8692005173464 58723.2983409129 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 03:10:24 2021-Apr-13 03:10
2158-Jan-27 04:33 < 00:01 Iris 0.0461708999918885 0.0461619674430152 0.0461798343792357 4.32783111151758 4.32783108274794 2509279.689377212 0.989078145848877 640.098588847073 21.9955931647585 45.9526387467193 225723.476610872 T 32 CATAB v2.0f-lin.ifort 2021-Apr-13 03:10:24 2021-Apr-13 03:10

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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