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3811 Karma (1953 TH)
Classification: Main-belt Asteroid          SPK-ID: 2003811
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130712758029539 1.6569e-08  
a 2.577281109501463 9.179e-09 au
q 2.240397587461096 4.2315e-08 au
i 10.18452897236458 6.6541e-07 deg
node 338.7762805744197 3.9286e-06 deg
peri 68.66648692858983 8.3513e-06 deg
M 68.13608175343259 5.4957e-06 deg
tp 2458914.467246243641
(2020-Mar-05.96724624)
2.2673e-05 TDB
period 1511.266698970428
4.14
8.0736e-06
2.21e-08
d
yr
n .2382107673286621 1.2726e-09 deg/d
Q 2.914164631541829 1.0379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2627  
   data-arc span      39552 days (108.29 yr)  
   first obs. used      1912-12-08  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38774  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:13:16  

Additional Information
 Earth MOID = 1.27114 au 
 Jupiter MOID = 2.50669 au 
 T_jup = 3.392 
[ 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 11.98   n/a E2021B10  
diameter diameter 30.344 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.23 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Aznar, A.; Garceran, A.C.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 174-181.]
geometric albedo albedo 0.039   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3811 Karma (1953 TH)          Discovered 1953-Oct-13 by Oterma, L. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1953 TH = 1984 FA2 = A912 XB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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