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277481 (2005 WQ36)
Classification: Main-belt Asteroid          SPK-ID: 2277481
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .257138532070361 3.5421e-08  
a 2.566296748508605 1.7658e-08 au
q 1.906402969740162 9.3231e-08 au
i 4.937594793530561 4.1462e-06 deg
node 90.97874363307224 6.4342e-05 deg
peri 218.7445649156525 6.615e-05 deg
M 286.3829992912478 2.0161e-05 deg
tp 2459307.567855641672
(2021-Apr-03.06785564)
8.5875e-05 TDB
period 1501.615482384889
4.11
1.5498e-05
4.243e-08
d
yr
n .2397418008958208 2.4744e-09 deg/d
Q 3.226190527277048 2.2199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      7255 days (19.86 yr)  
   first obs. used      2000-07-07  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60001  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:18:05  

Additional Information
 Earth MOID = .894795 au 
 Jupiter MOID = 2.06003 au 
 T_jup = 3.380 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457577.5 (2016-Jul-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2562392188733376 3.5429e-08  
q 1.909427862639802 9.3228e-08 au
tp 2457805.170643831245
(2017-Feb-20.67064383)
7.8266e-05 TDB
node 90.98506150697264 6.4338e-05 deg
peri 218.6940470212913 6.6157e-05 deg
i 4.936855355927509 4.1458e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      7255 days (19.86 yr)  
   first obs. used      2000-07-07  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60001  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:18:05  

Additional Information
 Jupiter MOID = 2.06003 au 
 T_jup = 3.380 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.255193298225676E-15 -3.270018018100029E-15 -4.044115471462256E-13 -5.371615158912717E-15 -2.807788495693052E-14 7.964306691671063E-16
q -3.270018018100029E-15 8.691463610814573E-15 1.491088525295271E-12 1.292304462357963E-14 1.542507415585349E-13 -1.143967808611469E-15
tp -4.044115471462256E-13 1.491088525295271E-12 6.1255154175172E-9 1.204641019073749E-11 1.248895310769868E-9 7.486551434926129E-12
node -5.371615158912717E-15 1.292304462357963E-14 1.204641019073749E-11 4.139351108287954E-9 -4.121736080498828E-9 -8.474672855686105E-11
peri -2.807788495693052E-14 1.542507415585349E-13 1.248895310769868E-9 -4.121736080498828E-9 4.376687121454964E-9 8.602815649732342E-11
i 7.964306691671063E-16 -1.143967808611469E-15 7.486551434926129E-12 -8.474672855686105E-11 8.602815649732342E-11 1.718761927150694E-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 16.2   n/a MPO433794  

277481 (2005 WQ36)          Discovered 2005-Nov-22 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

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Alternate Designations
 2005 WQ36 = 2004 LB24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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