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79270 (1995 QK8)
Classification: Main-belt Asteroid          SPK-ID: 2079270
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1026339759364968 5.0028e-08  
a 3.054652706469439 2.1564e-08 au
q 2.7411415540993 1.5158e-07 au
i 8.761469274305567 4.51e-06 deg
node 289.0549332941395 3.4147e-05 deg
peri 85.49473420041727 4.1011e-05 deg
M 183.1773760595072 2.4775e-05 deg
tp 2459958.303718043420
(2023-Jan-13.80371804)
0.00013952 TDB
period 1950.029531354946
5.34
2.0649e-05
5.653e-08
d
yr
n .1846125887898015 1.9548e-09 deg/d
Q 3.368163858839578 2.3777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      9036 days (24.74 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:23:48  

Additional Information
 Earth MOID = 1.75971 au 
 Jupiter MOID = 2.15626 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457195.5 (2015-Jun-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019462033227481 4.9914e-08  
q 2.743577205427343 1.5107e-07 au
tp 2458011.066637981051
(2017-Sep-14.56663798)
0.00013035 TDB
node 289.0699104336497 3.4146e-05 deg
peri 86.18942628235324 4.1131e-05 deg
i 8.760884790177192 4.5095e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      674  
   data-arc span      9036 days (24.74 yr)  
   first obs. used      1995-08-22  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55376  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:23:48  

Additional Information
 Jupiter MOID = 2.15626 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.491441684234179E-15 -7.480286897076963E-15 -5.227206547145548E-13 -9.845786957000935E-15 -1.736836698012863E-13 -5.320822254371195E-16
q -7.480286897076963E-15 2.28231810430029E-14 2.664505099885038E-12 2.756922698259219E-14 6.880465285227683E-13 1.956034223612214E-15
tp -5.227206547145548E-13 2.664505099885038E-12 1.699015012711288E-8 -3.812714769550402E-12 3.020022127358451E-9 -2.785709484642765E-12
node -9.845786957000935E-15 2.756922698259219E-14 -3.812714769550402E-12 1.165959079114634E-9 -1.15224375176143E-9 3.618248689744691E-11
peri -1.736836698012863E-13 6.880465285227683E-13 3.020022127358451E-9 -1.15224375176143E-9 1.691755638978185E-9 -3.627870411273166E-11
i -5.320822254371195E-16 1.956034223612214E-15 -2.785709484642765E-12 3.618248689744691E-11 -3.627870411273166E-11 2.033595244048274E-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 14.5   n/a MPO337853  
diameter diameter 4.549 km 0.731 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.163   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

79270 (1995 QK8)          Discovered 1995-Aug-27 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1995 QK8 = 2001 UW22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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