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19475 Mispagel (1998 HA91)
Classification: Main-belt Asteroid          SPK-ID: 2019475
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008764581707321 2.5259e-08  
a 2.394327751312035 7.398e-09 au
q 1.91336367292858 6.0958e-08 au
i 5.22526152019527 3.905e-06 deg
node 133.7913721260396 3.7304e-05 deg
peri 297.0236585695264 3.9003e-05 deg
M 116.0401393278412 1.1759e-05 deg
tp 2458564.306121423807
(2019-Mar-21.80612142)
4.3312e-05 TDB
period 1353.236881625784
3.70
6.2719e-06
1.717e-08
d
yr
n .2660288120195886 1.233e-09 deg/d
Q 2.87529182969549 8.8841e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2443  
   data-arc span      12597 days (34.49 yr)  
   first obs. used      1986-01-12  
   last obs. used      2020-07-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:08:32  

Additional Information
 Earth MOID = .934655 au 
 Jupiter MOID = 2.42145 au 
 T_jup = 3.497 
[ 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 14.2   n/a MPO452446  
diameter diameter 3.690 km 0.478 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.271   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19475 Mispagel           Discovered 1998 Apr. 21 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Heather Michelle Mispagel (b. 1984) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her microbiology project. She attends the Oconee County High School, Watkinsville, Georgia, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 1998 HA91 = 1986 AS = 1992 RU6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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