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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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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319089655722079 4.5114e-08  
a 3.960243339438915 5.6265e-08 au
q 3.437851737119301 1.698e-07 au
i 3.589926244836728 4.9376e-06 deg
node 56.88634203810555 0.00010667 deg
peri 199.5166197307137 0.00010951 deg
M 103.3619024692209 2.5364e-05 deg
tp 2458374.006906590021
(2018-Sep-12.50690659)
0.0001976 TDB
period 2878.59943092856
7.88
6.1346e-05
1.68e-07
d
yr
n .125060818164573 2.6652e-09 deg/d
Q 4.482634941758528 6.3687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      8883 days (24.32 yr)  
   first obs. used      1996-09-11  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55002  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:36:03  

Additional Information
 Earth MOID = 2.42163 au 
 Jupiter MOID = .579508 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

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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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