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382711 (2002 WM27)
Classification: Main-belt Asteroid          SPK-ID: 2382711
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1753623162886335 4.8071e-08  
a 2.35504570220988 1.5446e-08 au
q 1.942059432904764 1.1293e-07 au
i 3.848990364190511 5.9641e-06 deg
node 40.4011451804988 7.5772e-05 deg
peri 303.7127489406043 7.7523e-05 deg
M 3.372001807628577 1.5525e-05 deg
tp 2458988.135324188311
(2020-May-18.63532419)
5.6894e-05 TDB
period 1320.071443063262
3.61
1.2987e-05
3.556e-08
d
yr
n .272712512562661 2.6829e-09 deg/d
Q 2.768031971514996 1.8155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2002-11-13  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:40:38  

Additional Information
 Earth MOID = .937863 au 
 Jupiter MOID = 2.63973 au 
 T_jup = 3.531 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457700.5 (2016-Nov-08.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761461231274572 4.8075e-08  
q 1.940370999835459 1.1305e-07 au
tp 2457669.002876664974
(2016-Oct-07.50287666)
5.4348e-05 TDB
node 40.42983150262565 7.5694e-05 deg
peri 303.9771180887565 7.7431e-05 deg
i 3.851482102636476 5.9672e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2002-11-13  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:40:38  

Additional Information
 Jupiter MOID = 2.63973 au 
 T_jup = 3.531 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.311171701760021E-15 -5.400487072742091E-15 4.865339330233941E-13 -1.255603130536657E-15 1.595558949839922E-13 -5.366248967941775E-15
q -5.400487072742091E-15 1.277923243807345E-14 -1.106671948312234E-12 2.195267148189211E-15 -3.622021165396275E-13 1.29759736597574E-14
tp 4.865339330233941E-13 -1.106671948312234E-12 2.953672002713261E-9 -7.627762994276598E-12 9.058853622574803E-10 6.71630847410805E-13
node -1.255603130536657E-15 2.195267148189211E-15 -7.627762994276598E-12 5.729620445360376E-9 -5.718336666792643E-9 -6.802259714968369E-11
peri 1.595558949839922E-13 -3.622021165396275E-13 9.058853622574803E-10 -5.718336666792643E-9 5.995499313104726E-9 6.810194658704517E-11
i -5.366248967941775E-15 1.29759736597574E-14 6.71630847410805E-13 -6.802259714968369E-11 6.810194658704517E-11 3.560780977175486E-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 17.7   n/a MPO437566  

382711 (2002 WM27)          Discovered 2002-Nov-24 by NEAT at Palomar
Reference: Last Updated: 2014-01-21

Alternate Designations
 2002 WM27 = 2009 SP10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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