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55755 Blythe (1991 TB15)
Classification: Main-belt Asteroid          SPK-ID: 2055755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587542622765143 4.3182e-08  
a 2.349642539216931 8.7479e-09 au
q 1.976626771290031 1.0035e-07 au
i 3.72903709215484 4.8629e-06 deg
node 66.54217998435089 7.78e-05 deg
peri 349.9796847587535 7.9371e-05 deg
M 74.52910880607722 1.6777e-05 deg
tp 2459124.151775311713
(2020-Oct-01.65177531)
6.0769e-05 TDB
period 1315.531105341604
3.60
7.3468e-06
2.011e-08
d
yr
n .2736537346310171 1.5283e-09 deg/d
Q 2.722658307143831 1.0137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      10749 days (29.43 yr)  
   first obs. used      1991-10-06  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55077  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:11:58  

Additional Information
 Earth MOID = .988266 au 
 Jupiter MOID = 2.61047 au 
 T_jup = 3.539 
[ 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 16.59   n/a MPCxxxxx  
diameter diameter 2.901 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

55755 Blythe           Discovered 1991 Oct. 6 by A. Lowe at Palomar.
Blythe Andra Lowe, a professional geologist, is the wife of the discoverer.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

Alternate Designations
 1991 TB15 = 1991 VY8 = 1998 SO90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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