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4246 Telemann (1982 SY2)
Classification: Main-belt Asteroid          SPK-ID: 2004246
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750101106496194 3.1147e-08  
a 2.215616553730234 6.4378e-09 au
q 1.827861255504777 6.7989e-08 au
i 3.07048895385625 3.5358e-06 deg
node 37.37139607396403 6.4862e-05 deg
peri 239.7980337792336 6.5804e-05 deg
M 217.2475317508555 1.1234e-05 deg
tp 2459478.162837427871
(2021-Sep-20.66283743)
3.775e-05 TDB
period 1204.592982405853
3.30
5.2502e-06
1.437e-08
d
yr
n .2988561325344899 1.3026e-09 deg/d
Q 2.603371851955691 7.5645e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2458  
   data-arc span      19050 days (52.16 yr)  
   first obs. used      1968-02-27  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46131  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:05:22  

Additional Information
 Earth MOID = .81389 au 
 Jupiter MOID = 2.51789 au 
 T_jup = 3.632 
[ 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 13.6   n/a MPO347556  
diameter diameter 4.808 km 0.329 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.960 h n/a LCDB (Rev. 2019-August); 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:
[Childers, D.; Church, A. (2007) Minor Planet Bull. 34, 124-125.]
geometric albedo albedo 0.304   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4246 Telemann (1982 SY2)          Discovered 1982-Sep-24 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 SY2 = 1968 DS = 1969 VM = 1978 JN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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