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19445 (1998 FE112)
Classification: Main-belt Asteroid          SPK-ID: 2019445
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05017451855353199 2.5207e-08  
a 2.564271418948851 9.1928e-09 au
q 2.435610335062511 6.7348e-08 au
i 13.8264777375202 9.8123e-07 deg
node 230.2803605758219 2.3177e-06 deg
peri 177.2986396522469 1.5305e-05 deg
M 334.7477341719567 1.6916e-05 deg
tp 2459305.706425745614
(2021-Apr-01.20642575)
7.0492e-05 TDB
period 1499.838213581643
4.11
8.0653e-06
2.208e-08
d
yr
n .2400258886192217 1.2907e-09 deg/d
Q 2.692932502835192 9.654e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2567  
   data-arc span      23827 days (65.23 yr)  
   first obs. used      1955-12-11  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:54:06  

Additional Information
 Earth MOID = 1.44484 au 
 Jupiter MOID = 2.54866 au 
 T_jup = 3.391 
[ 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 12.84   n/a E2021B10  
diameter diameter 8.404 km 0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.190   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

19445 (1998 FE112)          Discovered 1998-Mar-31 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FE112 = 1999 NC52 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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