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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 ]

[ show orbit diagram ]
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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1989-Jul-22 04:50 00:02 Iris 0.0471292384182192 0.0471217615594863 0.047136715290227 3.10849132561569 3.10849128637533 2447729.701185161 1.81352237323563 374.77368606192 77.0840434719094 6.36874843848999 21252.3163324348 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 20:00:29 2021-Apr-13 20:00
2184-Dec-05 11:04 00:12 Iris 0.0304930204312244 0.0304374251696286 0.0305486268009725 3.02724501863202 3.0272449563554 2519088.961136300 12.3433386303872 2918.43725754046 75.844035445654 -18.3408804322371 18964.97171825 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 20:00:29 2021-Apr-13 20:00

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