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215246 (2001 GW)
Classification: Main-belt Asteroid          SPK-ID: 2215246
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1035411459992417 8.5881e-08  
a 2.549653646728844 1.9887e-08 au
q 2.285659586245394 2.2579e-07 au
i 2.724370958814385 9.2496e-06 deg
node 34.14826195819187 0.00011436 deg
peri 96.47344553969165 0.00012836 deg
M 309.8535477963484 5.4596e-05 deg
tp 2459207.637114215840
(2020-Dec-24.13711422)		 0.00022543 TDB
period 1487.031641139156
4.07		 1.7398e-05
4.763e-08		 d
yr
n .2420930328854457 2.8324e-09 deg/d
Q 2.813647707212295 2.1946e-08 au
   Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      9681 days (26.51 yr)  
   first obs. used      1993-04-26  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .568  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:57:33  

Additional Information
 Earth MOID = 1.30223 au 
 Jupiter MOID = 2.21823 au 
 T_jup = 3.432 
[ 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 17.1   n/a MPO494186  

215246 (2001 GW)          Discovered 2001-Apr-13 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
2171-Apr-06 06:49 00:05 Eunom 0.0402952138478359 0.0402476572010977 0.0403428380553736 5.98604142994804 5.98604137175103 2514096.783832927 4.70255330279628 3521.19295370294 91.7255424078463 -47.6746179035434 48577.944522247 T 11 CATAB v2.0f-lin.ifort 2019-Nov-07 23:57:47 2019-Nov-07 23:57
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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