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22927 Blewett (1999 TW110)
Classification: Main-belt Asteroid          SPK-ID: 2022927
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1616191533745745 4.2209e-08  
a 2.436094548475864 1.1724e-08 au
q 2.042375010010779 1.0148e-07 au
i 4.513159237452736 4.0927e-06 deg
node 306.0003046186707 5.4673e-05 deg
peri 253.8595330292437 5.5691e-05 deg
M 3.126801902401742 1.2188e-05 deg
tp 2459188.437495080262
(2020-Dec-04.93749508)
4.6986e-05 TDB
period 1388.799772627144
3.80
1.0025e-05
2.745e-08
d
yr
n .259216632300422 1.8712e-09 deg/d
Q 2.82981408694095 1.3618e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1180  
   data-arc span      9280 days (25.41 yr)  
   first obs. used      1995-07-26  
   last obs. used      2020-12-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54061  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:52  

Additional Information
 Earth MOID = 1.0449 au 
 Jupiter MOID = 2.15588 au 
 T_jup = 3.482 
[ 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 14.9   n/a MPO459021  
diameter diameter 2.944 km 0.416 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.269   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22927 Blewett           Discovered 1999 Oct. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Megan Marie Blewett (b. 1989) is a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors, for her medicine and health project. She attends the Madison High School, Madison, New Jersey.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070303/MPCPages.arcLast Updated: 2010-04-12

Alternate Designations
 1999 TW110 = 1998 KA25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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