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2174 Asmodeus (1975 TA)
Classification: Main-belt Asteroid          SPK-ID: 2002174
[ 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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2675338059256119 4.1198e-08  
a 2.539780707086156 9.4628e-09 au
q 1.860303508302955 1.0289e-07 au
i 8.056690499320478 4.6606e-06 deg
node 359.8410337696839 3.8647e-05 deg
peri 5.693464173436126 4.0753e-05 deg
M 74.45519833953146 1.4719e-05 deg
tp 2458894.736753640958
(2020-Feb-15.23675364)		 5.9738e-05 TDB
period 1478.402732704988
4.05		 8.2624e-06
2.262e-08		 d
yr
n .2435060434049111 1.3609e-09 deg/d
Q 3.219257905869357 1.1994e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2084  
   data-arc span      24753 days (67.77 yr)  
   first obs. used      1953-04-15  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45414  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:00:53  

Additional Information
 Earth MOID = .857147 au 
 Jupiter MOID = 2.2448 au 
 T_jup = 3.382 
[ 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 13.8   n/a MPO530990  
diameter diameter 5.161 km 0.388 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 41.0488 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.220   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2174 Asmodeus           Discovered 1975 Oct. 8 by S. J. Bus and J. P. Huchra at Palomar.
Named for the Babylonian god of lust.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5039Last Updated: 2006-03-21

[ show close-approach data ]
Alternate Designations
 1975 TA = 1979 SK12 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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