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2406 Orelskaya (1966 QG)
Classification: Main-belt Asteroid          SPK-ID: 2002406
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1635048115696938 3.787e-08  
a 2.192283809055823 4.8455e-09 au
q 1.83383485794886 8.2944e-08 au
i 2.305844124338464 4.0822e-06 deg
node 12.51854733325891 6.3627e-05 deg
peri 347.8697041306391 6.4114e-05 deg
M 182.0852587249896 8.531e-06 deg
tp 2459586.439834609684
(2022-Jan-06.93983461)
2.8826e-05 TDB
period 1185.614744162372
3.25
3.9308e-06
1.076e-08
d
yr
n .3036399486195132 1.0067e-09 deg/d
Q 2.550732760162785 5.6378e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3129  
   data-arc span      30215 days (82.72 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:38  

Additional Information
 Earth MOID = .830667 au 
 Jupiter MOID = 2.89605 au 
 T_jup = 3.653 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1638231229481069 3.7943e-08  
q 1.833225610907391 8.3154e-08 au
tp 2457213.587706657646
(2015-Jul-10.08770666)
2.6483e-05 TDB
node 12.55166932154506 6.3555e-05 deg
peri 347.5575356554697 6.404e-05 deg
i 2.308301765361325 4.0829e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3129  
   data-arc span      30215 days (82.72 yr)  
   first obs. used      1937-10-11  
   last obs. used      2020-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41493  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:09:38  

Additional Information
 Jupiter MOID = 2.89605 au 
 T_jup = 3.653 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.439689764560426E-15 -3.151427038673443E-15 1.832910634542479E-13 9.999165529288428E-16 3.424058568656492E-14 -6.797024243185039E-16
q -3.151427038673443E-15 6.914633390957174E-15 -3.855579706613507E-13 -2.356107241562446E-15 -7.201170500040635E-14 1.499268382908034E-15
tp 1.832910634542479E-13 -3.855579706613507E-13 7.013433467572571E-10 -8.289265757848333E-13 2.117884035345158E-10 -2.693234891739689E-13
node 9.999165529288428E-16 -2.356107241562446E-15 -8.289265757848333E-13 4.039217544605311E-9 -4.035620588578515E-9 -1.957682208007118E-11
peri 3.424058568656492E-14 -7.201170500040635E-14 2.117884035345158E-10 -4.035620588578515E-9 4.101181470107889E-9 1.948500913635496E-11
i -6.797024243185039E-16 1.499268382908034E-15 -2.693234891739689E-13 -1.957682208007118E-11 1.948500913635496E-11 1.667000340402E-11

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 MPO347538  
diameter diameter 5.700 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.1090 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
[Polakis, T. (2019) Minor Planet Bull. 46, 78-80.]
geometric albedo albedo 0.313   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2406 Orelskaya (1966 QG)          Discovered 1966-Aug-20 by Crimean Astrophysical Obs. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1966 QG = 1937 TR = 1950 VJ = 1975 GZ = 1976 US4 = 1978 ES2 = 1978 GE1 = 1979 QL6 = 1981 EJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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