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JPL Small-Body Database Browser
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2964 Jaschek (1974 OA1)
Classification: Main-belt Asteroid          SPK-ID: 2002964
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979711261553133 4.3351e-08  
a 2.595397121613154 1.497e-08 au
q 2.081583430627139 1.1689e-07 au
i 13.57221155853597 7.0045e-06 deg
node 330.5163673938651 1.4882e-05 deg
peri 59.46250271900688 2.2909e-05 deg
M 276.6219555770479 1.8504e-05 deg
tp 2459354.214903532718
(2021-May-19.71490353)
8.0311e-05 TDB
period 1527.228974402829
4.18
1.3213e-05
3.618e-08
d
yr
n .2357210385828136 2.0394e-09 deg/d
Q 3.109210812599169 1.7934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1569  
   data-arc span      16368 days (44.81 yr)  
   first obs. used      1974-07-16  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 22:35:51  

Additional Information
 Earth MOID = 1.1196 au 
 Jupiter MOID = 2.50013 au 
 T_jup = 3.351 
[ 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 12.7   n/a MPO473806  
diameter diameter 7.939 km 0.298 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 12.53 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2005) Minor Planet Bull. 32, 29-32.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.369   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2964 Jaschek (1974 OA1)          Discovered 1974-Jul-16 by Felix Aguilar Observatory at El Leoncito
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1974 OA1 = 1981 EE5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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