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241528 Tubman (2010 CA10)
Classification: Outer Main-belt Asteroid          SPK-ID: 2241528
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1321152229791271 5.539e-08  
a 3.960644904282268 6.0365e-08 au
q 3.437383419611872 2.2401e-07 au
i 3.589907917478794 5.651e-06 deg
node 56.88684627516776 0.00012342 deg
peri 199.5602337000477 0.0001267 deg
M 78.28137106039389 2.7471e-05 deg
tp 2458374.458374859453
(2018-Sep-12.95837486)
0.00021833 TDB
period 2879.037272823447
7.88
6.5819e-05
1.802e-07
d
yr
n .1250417990062876 2.8587e-09 deg/d
Q 4.483906388952663 6.834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      214  
   data-arc span      8380 days (22.94 yr)  
   first obs. used      1996-09-11  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58048  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:15:00  

Additional Information
 Earth MOID = 2.42279 au 
 Jupiter MOID = .579502 au 
 T_jup = 3.040 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO450086  
diameter diameter 7.115 km 0.453 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.042   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

241528 Tubman           Discovered 2010 Feb. 8 at WISE.
Harriet Tubman (c. 1822-1913) was a "conductor" on the Underground Railroad. After escaping from slavery herself in Maryland, she escorted more than 300 slaves to freedom, despite numerous risks to her own life.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

[ show close-approach data ]
Alternate Designations
 2010 CA10 = 2005 UV359 = 2009 BS108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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