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85450 (1997 GB18)
Classification: Main-belt Asteroid          SPK-ID: 2085450
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2417695202937948 3.9542e-08  
a 2.293403421802859 8.811e-09 au
q 1.738928376673434 9.3175e-08 au
i 1.372492924525278 3.4513e-06 deg
node 73.93676265448508 0.00017288 deg
peri 258.7657123403865 0.00017301 deg
M 237.3040512847202 8.3491e-06 deg
tp 2459828.861319293655
(2022-Sep-06.36131929)
3.0953e-05 TDB
period 1268.583653946937
3.47
7.3107e-06
2.002e-08
d
yr
n .2837810489516667 1.6354e-09 deg/d
Q 2.847878466932285 1.0941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      737  
   data-arc span      10748 days (29.43 yr)  
   first obs. used      1991-11-04  
   last obs. used      2021-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:26:09  

Additional Information
 Earth MOID = .728474 au 
 Jupiter MOID = 2.52444 au 
 T_jup = 3.557 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.02   n/a MPCxxxxx  

85450 (1997 GB18)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1997 GB18 = 1998 WA34 = 2000 DV41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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