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135575 (2002 GW55)
Classification: Main-belt Asteroid          SPK-ID: 2135575
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310013835694893 3.6581e-08  
a 2.213730128719761 9.4571e-09 au
q 1.923728419008009 7.9572e-08 au
i 7.563374308106899 3.4968e-06 deg
node 242.2892447709137 4.043e-05 deg
peri 20.16501396881542 4.5184e-05 deg
M 189.3859086614073 2.0189e-05 deg
tp 2459770.661433047702
(2022-Jul-10.16143305)
6.7603e-05 TDB
period 1203.05488419375
3.29
7.7092e-06
2.111e-08
d
yr
n .299238218247425 1.9175e-09 deg/d
Q 2.503731838431514 1.0696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      22023 days (60.30 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:40  

Additional Information
 Earth MOID = .908649 au 
 Jupiter MOID = 2.55119 au 
 T_jup = 3.633 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457447.5 (2016-Feb-29.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309191975858022 3.6557e-08  
q 1.923733426042929 7.9527e-08 au
tp 2457365.200262681911
(2015-Dec-08.70026268)
6.8468e-05 TDB
node 242.2993234202371 4.043e-05 deg
peri 20.27941323418857 4.5189e-05 deg
i 7.563237745943533 3.4969e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      575  
   data-arc span      22023 days (60.30 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56674  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:40  

Additional Information
 Jupiter MOID = 2.55119 au 
 T_jup = 3.633 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.336436980069963E-15 -2.89237161976779E-15 7.762618887310544E-13 1.487166224531596E-14 1.911618309905696E-13 -2.783882913197849E-15
q -2.89237161976779E-15 6.324605541738136E-15 -1.81483937545352E-12 -3.122126208444561E-14 -4.549488969108791E-13 6.40013285039846E-15
tp 7.762618887310544E-13 -1.81483937545352E-12 4.687829018785586E-9 2.163706057267329E-11 1.411770139908622E-9 -7.012124072292538E-12
node 1.487166224531596E-14 -3.122126208444561E-14 2.163706057267329E-11 1.634575542411427E-9 -1.614114562351007E-9 5.405299973085813E-12
peri 1.911618309905696E-13 -4.549488969108791E-13 1.411770139908622E-9 -1.614114562351007E-9 2.042043535717809E-9 -7.47636176254141E-12
i -2.783882913197849E-15 6.40013285039846E-15 -7.012124072292538E-12 5.405299973085813E-12 -7.47636176254141E-12 1.222823822955399E-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 16.41   n/a MPCxxxxx  

135575 (2002 GW55)          Discovered 2002-Apr-05 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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