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7584 Ossietzky (1991 GK10)
Classification: Main-belt Asteroid          SPK-ID: 2007584
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07705444057572339 3.3392e-08  
a 2.884694110097437 1.2954e-08 au
q 2.662415619211795 9.9117e-08 au
i 3.262401465276065 3.8221e-06 deg
node 108.4489452140703 6.9611e-05 deg
peri 342.4125216047212 7.4644e-05 deg
M 358.1088817393099 2.667e-05 deg
tp 2458609.900788154459
(2019-May-06.40078815)
0.00013258 TDB
period 1789.56747758871
4.90
1.2055e-05
3.3e-08
d
yr
n .2011659266880896 1.3551e-09 deg/d
Q 3.106972600983079 1.3952e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2242  
   data-arc span      14594 days (39.96 yr)  
   first obs. used      1979-12-14  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51187  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 21:45:56  

Additional Information
 Earth MOID = 1.67927 au 
 Jupiter MOID = 2.02777 au 
 T_jup = 3.286 
[ 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 13.2   n/a MPO337319  
diameter diameter 5.960 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.726 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.286   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7584 Ossietzky (1991 GK10)          Discovered 1991-Apr-09 by Borngen, F. at Tautenburg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1991 GK10 = 1979 XG1 = 1994 YQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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