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22406 Garyboyle (1995 QW5)
Classification: Main-belt Asteroid          SPK-ID: 2022406
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .105895557821189 6.0507e-08  
a 2.294574636070903 1.0399e-08 au
q 2.051589375021822 1.4167e-07 au
i 6.979125578618037 4.1298e-06 deg
node 282.9279864336328 5.0934e-05 deg
peri 278.3151804680215 5.5721e-05 deg
M 156.4625141848233 2.6476e-05 deg
tp 2458448.728183578534
(2018-Nov-26.22818358)
9.1621e-05 TDB
period 1269.555554227413
3.48
8.6306e-06
2.363e-08
d
yr
n .2835638021520671 1.9277e-09 deg/d
Q 2.537559897119983 1.15e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      9219 days (25.24 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50778  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:19:53  

Additional Information
 Earth MOID = 1.06207 au 
 Jupiter MOID = 2.47166 au 
 T_jup = 3.579 
[ 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 15.4   n/a MPO439252  

22406 Garyboyle           Discovered 1995 Aug. 22 by Spacewatch at Kitt Peak.
Gary Boyle (b. 1957) is a Canadian amateur astronomer who leads club activities, runs outreach events, teaches a college course and writes a stargazing column. Name suggested by R. and P. Jedicke.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

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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
1912-Feb-15 22:08 < 00:01 Eunom 0.0382012691462385 0.0381996044909698 0.0382029388086603 5.45863639217257 5.45863632485446 2419448.422064518 0.729194725888595 924.057263135634 55.0558580265812 -86.1351391357114 103505.900876179 T 23 CATAB v2.0f-lin.ifort 2020-Dec-18 03:19:56 2020-Dec-18 03:19
2193-Sep-10 17:46 00:18 Thisb 0.0295681851101181 0.029535715961272 0.0296006542883266 3.06397516052897 3.06397508526886 2522290.240240780 17.5155544923237 1617.79091081268 56.3412846040578 1.30219208294721 3260.04984939024 T 23 CATAB v2.0f-lin.ifort 2020-Dec-18 03:19:56 2020-Dec-18 03:19

Alternate Designations
 1995 QW5 = 1999 RP221 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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