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160230 (2002 GY181)
Classification: Main-belt Asteroid          SPK-ID: 2160230
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09002929110377379 5.7995e-08  
a 2.54892933201527 1.9695e-08 au
q 2.31945103118032 1.459e-07 au
i 8.952166443787696 6.103e-06 deg
node 218.3133095994391 3.1769e-05 deg
peri 186.9017947211522 4.6161e-05 deg
M 24.8174262411402 3.0983e-05 deg
tp 2459098.031740744610
(2020-Sep-05.53174074)
0.00012858 TDB
period 1486.398024255614
4.07
1.7228e-05
4.717e-08
d
yr
n .2421962315109288 2.8071e-09 deg/d
Q 2.778407632850221 2.1468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      7825 days (21.42 yr)  
   first obs. used      1999-09-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51284  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:27  

Additional Information
 Earth MOID = 1.32761 au 
 Jupiter MOID = 2.58767 au 
 T_jup = 3.419 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457775.5 (2017-Jan-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09066118058924535 5.8088e-08  
q 2.317552156326781 1.4585e-07 au
tp 2457605.905291006357
(2016-Aug-05.40529101)
0.00013742 TDB
node 218.3556626906366 3.1723e-05 deg
peri 185.5916309063478 4.5916e-05 deg
i 8.958395389479991 6.1055e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      7825 days (21.42 yr)  
   first obs. used      1999-09-09  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51284  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:00:27  

Additional Information
 Jupiter MOID = 2.58767 au 
 T_jup = 3.419 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.374159331020976E-15 -8.411642688293643E-15 1.141868347596294E-12 3.768910403775817E-14 2.123979783441212E-13 -5.281324348764275E-15
q -8.411642688293643E-15 2.127183163181595E-14 -4.418033331524899E-12 -1.01650837420951E-13 -9.023209503843011E-13 1.310595845568995E-14
tp 1.141868347596294E-12 -4.418033331524899E-12 1.88833666495136E-8 8.547330982534437E-11 4.585682265398922E-9 6.844249431935366E-12
node 3.768910403775817E-14 -1.01650837420951E-13 8.547330982534437E-11 1.006323777184537E-9 -9.725800111533768E-10 7.714211025111326E-11
peri 2.123979783441212E-13 -9.023209503843011E-13 4.585682265398922E-9 -9.725800111533768E-10 2.108281912484074E-9 -7.443950726992145E-11
i -5.281324348764275E-15 1.310595845568995E-14 6.844249431935366E-12 7.714211025111326E-11 -7.443950726992145E-11 3.727718093164408E-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 15.72   n/a MPCxxxxx  

160230 (2002 GY181)          Discovered 2002-Apr-08 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2002 GY181 = 2004 XW144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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