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39196 (2000 WN191)
Classification: Main-belt Asteroid          SPK-ID: 2039196
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 .1281830457235321 3.6041e-08  
a 2.56932860162229 1.2016e-08 au
q 2.239984236001761 9.4937e-08 au
i 5.298758347773445 4.2458e-06 deg
node 134.8774522036516 4.6734e-05 deg
peri 165.7604020760537 5.1829e-05 deg
M 3.339718337355079 2.0437e-05 deg
tp 2458986.544826366492
(2020-May-17.04482637)
8.5424e-05 TDB
period 1504.277307421596
4.12
1.0553e-05
2.889e-08
d
yr
n .2393175767685131 1.6789e-09 deg/d
Q 2.898672967242818 1.3557e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      10115 days (27.69 yr)  
   first obs. used      1992-11-21  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:32:25  

Additional Information
 Earth MOID = 1.22494 au 
 Jupiter MOID = 2.30763 au 
 T_jup = 3.413 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456882.5 (2014-Aug-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268841660290605 3.6075e-08  
q 2.24365720035176 9.493e-08 au
tp 2457484.232705450236
(2016-Apr-05.73270545)
9.0155e-05 TDB
node 134.9116131063197 4.6766e-05 deg
peri 165.9853757057705 5.1961e-05 deg
i 5.296263940427152 4.2433e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      10115 days (27.69 yr)  
   first obs. used      1992-11-21  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:32:25  

Additional Information
 Jupiter MOID = 2.30763 au 
 T_jup = 3.413 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.301397384835697E-15 -3.404032777952874E-15 1.466340831607684E-12 -3.124063720166064E-15 3.933155494582651E-13 1.48918163776955E-15
q -3.404032777952874E-15 9.011790567311868E-15 -4.15911074320537E-12 7.208794663283357E-15 -1.116370745463083E-12 -3.982723394146763E-15
tp 1.466340831607684E-12 -4.15911074320537E-12 8.127905796521568E-9 -1.703731034688434E-11 2.06222004014894E-9 5.781564663632248E-12
node -3.124063720166064E-15 7.208794663283357E-15 -1.703731034688434E-11 2.187055063633088E-9 -2.181425572996201E-9 7.250974808892811E-11
peri 3.933155494582651E-13 -1.116370745463083E-12 2.06222004014894E-9 -2.181425572996201E-9 2.699928908096837E-9 -7.077287326447887E-11
i 1.48918163776955E-15 -3.982723394146763E-15 5.781564663632248E-12 7.250974808892811E-11 -7.077287326447887E-11 1.80059045688396E-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 15.2   n/a MPO337576  
rotation period rot_per 9.080 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

39196 (2000 WN191)          Discovered 2000-Nov-19 by LONEOS at Anderson Mesa
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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