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3069 Heyrovsky (1982 UG2)
Classification: Main-belt Asteroid          SPK-ID: 2003069
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2412877251148651 3.978e-08  
a 2.351977682809296 6.645e-09 au
q 1.784474338203309 9.2167e-08 au
i 1.685295615171607 3.5215e-06 deg
node 217.3792489944124 0.00011518 deg
peri 123.9634843628392 0.00011535 deg
M 189.3828615050072 8.0192e-06 deg
tp 2459624.907879451430
(2022-Feb-14.40787945)
3.0619e-05 TDB
period 1317.492712545474
3.61
5.5834e-06
1.529e-08
d
yr
n .2732462931840121 1.158e-09 deg/d
Q 2.919481027415283 8.2484e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2553  
   data-arc span      24307 days (66.55 yr)  
   first obs. used      1953-10-10  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47915  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:49:00  

Additional Information
 Earth MOID = .776908 au 
 Jupiter MOID = 2.49116 au 
 T_jup = 3.517 
[ 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 13.7   n/a MPO492786  
diameter diameter 4.696 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.6 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:
[Warner, B.D. (2016) Minor Planet Bull. 43, 227-233.]
geometric albedo albedo 0.227   0.070 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3069 Heyrovsky (1982 UG2)          Discovered 1982-Oct-16 by Vavrova, Z. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1982 UG2 = 1953 TH2 = 1975 WN1 = 1978 NJ2 = 1978 PO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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