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15198 (1940 GJ)
Classification: Main-belt Asteroid          SPK-ID: 2015198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2248426873812482 1.7181e-08  
a 2.32999093237598 7.5544e-09 au
q 1.806109509566624 3.965e-08 au
i 24.98166265087704 8.2179e-07 deg
node 35.15352832468469 1.6281e-06 deg
peri 229.148184793196 5.3857e-06 deg
M 207.6199614622623 4.7118e-06 deg
tp 2459750.364081625857
(2022-Jun-19.86408163)
1.8912e-05 TDB
period 1299.061683438839
3.56
6.3178e-06
1.73e-08
d
yr
n .277123099379714 1.3478e-09 deg/d
Q 2.853872355185335 9.253e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2362  
   data-arc span      29565 days (80.94 yr)  
   first obs. used      1940-04-04  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:51:48  

Additional Information
 Earth MOID = .857984 au 
 Jupiter MOID = 2.32648 au 
 T_jup = 3.415 
[ 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 13.70   n/a E2021B10  
diameter diameter 4.255 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.334   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

15198 (1940 GJ)          Discovered 1940-Apr-05 by Oterma, L. at Turku
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1940 GJ = 2000 DL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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