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308282 (2005 GM209)
Classification: Main-belt Asteroid          SPK-ID: 2308282
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542462195621349 6.9185e-08  
a 2.574247942606555 2.6831e-08 au
q 2.17717992924389 1.7305e-07 au
i 15.80262587344938 7.8021e-06 deg
node 68.59043973685588 2.1154e-05 deg
peri 174.1745396180075 3.1515e-05 deg
M 206.0797557452836 3.0075e-05 deg
tp 2459645.511163824722
(2022-Mar-07.01116382)
0.00013192 TDB
period 1508.599600404966
4.13
2.3586e-05
6.457e-08
d
yr
n .2386319073022174 3.7309e-09 deg/d
Q 2.971315955969219 3.097e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2001-04-25  
   last obs. used      2019-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70378  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 18:16:35  

Additional Information
 Earth MOID = 1.16446 au 
 Jupiter MOID = 2.05665 au 
 T_jup = 3.359 
[ 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 16.5   n/a MPO455271  

308282 (2005 GM209)          Discovered 2005-Apr-06 by CSS at Catalina
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ 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
1916-Jan-15 20:21 00:03 Pallas 0.0293520796454651 0.0293043731288303 0.0293997866642191 13.6385488381605 13.6385485993774 2420878.347936464 3.07828592494574 2385.97713111837 99.6103228346483 -4.61165502246945 3987.30317453009 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 18:16:46 2020-Feb-25 18:16
2108-Nov-08 13:15 00:09 Vesta 0.0338134699924713 0.0337479136963257 0.0338790620696264 4.03775863985213 4.03775776835785 2491303.052285113 9.13027622676002 3687.05217254738 124.539661888076 -27.9795820121777 19013.9027604885 T 14 CATAB v2.0f-lin.ifort 2020-Feb-25 18:16:46 2020-Feb-25 18:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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