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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2249923881495 3.5276e-08  
a 2.329692891922619 8.5926e-09 au
q 1.805529724514034 8.1797e-08 au
i 24.9844719079139 6.2681e-06 deg
node 35.16081019727459 9.0193e-06 deg
peri 229.1241775085304 1.8642e-05 deg
M 152.2166781809568 1.8795e-05 deg
tp 2458451.330792185820
(2018-Nov-28.83079219)
6.6757e-05 TDB
period 1298.812437478604
3.56
7.1856e-06
1.967e-08
d
yr
n .2771762801246893 1.5335e-09 deg/d
Q 2.853856059331203 1.0526e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1808  
   data-arc span      29159 days (79.83 yr)  
   first obs. used      1940-04-04  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43516  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:13:10  

Additional Information
 Earth MOID = .858619 au 
 Jupiter MOID = 2.32755 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 13.6   n/a MPO395151  
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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