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192487 (1998 HG11)
Classification: Main-belt Asteroid          SPK-ID: 2192487
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08305828700566227 5.0318e-08  
a 2.635467594601207 2.0367e-08 au
q 2.416570170734697 1.385e-07 au
i 18.43290887155073 6.6349e-06 deg
node 25.13692034598883 1.9195e-05 deg
peri 207.5821570957217 5.0633e-05 deg
M 77.28651010191086 4.8645e-05 deg
tp 2458865.004929047906
(2020-Jan-16.50492905)
0.00020986 TDB
period 1562.733591974774
4.28
1.8115e-05
4.96e-08
d
yr
n .2303655606104174 2.6704e-09 deg/d
Q 2.854365018467716 2.2059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7684 days (21.04 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-04-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:16:18  

Additional Information
 Earth MOID = 1.4181 au 
 Jupiter MOID = 2.1347 au 
 T_jup = 3.320 
[ 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 15.8   n/a MPO427163  
diameter diameter 3.880 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192487 (1998 HG11)          Discovered 1998-Apr-18 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1998 HG11 = 2002 FS5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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