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27726 (1990 QM5)
Classification: Main-belt Asteroid          SPK-ID: 2027726
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2463797040276039 3.9622e-08  
a 3.057929776407402 1.3132e-08 au
q 2.30451794315895 1.2203e-07 au
i 2.936194801633136 4.1337e-06 deg
node 127.5890471879039 8.5694e-05 deg
peri 227.3599799614343 8.6003e-05 deg
M 180.5852418278644 7.9943e-06 deg
tp 2459973.908987942567
(2023-Jan-29.40898794)
4.6762e-05 TDB
period 1953.168397234715
5.35
1.2581e-05
3.444e-08
d
yr
n .184315904614106 1.1873e-09 deg/d
Q 3.811341609655855 1.6367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      10755 days (29.45 yr)  
   first obs. used      1990-08-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:09:14  

Additional Information
 Earth MOID = 1.30106 au 
 Jupiter MOID = 1.63509 au 
 T_jup = 3.186 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456558.5 (2013-Sep-23.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420359553320048 3.9658e-08  
q 2.325072573567927 1.2237e-07 au
tp 2456065.084682290944
(2012-May-17.58468229)
3.9511e-05 TDB
node 127.5890577060787 8.5707e-05 deg
peri 227.8144380768316 8.6033e-05 deg
i 2.931611409709894 4.1255e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1355  
   data-arc span      10755 days (29.45 yr)  
   first obs. used      1990-08-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51946  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:09:14  

Additional Information
 Jupiter MOID = 1.63509 au 
 T_jup = 3.186 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.572728194553055E-15 -4.836708831289833E-15 1.111410259853173E-13 1.174145669346563E-14 -1.361218972992066E-14 -8.899218926526183E-16
q -4.836708831289833E-15 1.497534012764485E-14 -3.581982757436655E-13 -4.044751371735025E-14 4.648160035055945E-14 2.905705078399665E-15
tp 1.111410259853173E-13 -3.581982757436655E-13 1.561127275115108E-9 -3.339294488748229E-13 3.199973788729043E-10 -1.076640607768598E-13
node 1.174145669346563E-14 -4.044751371735025E-14 -3.339294488748229E-13 7.345728708293639E-9 -7.336183884330644E-9 6.042134708611099E-11
peri -1.361218972992066E-14 4.648160035055945E-14 3.199973788729043E-10 -7.336183884330644E-9 7.401639782980276E-9 -6.032670497957618E-11
i -8.899218926526183E-16 2.905705078399665E-15 -1.076640607768598E-13 6.042134708611099E-11 -6.032670497957618E-11 1.702003278930547E-11

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 14.0   n/a MPO435956  
diameter diameter 9.615 km 0.233 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27726 (1990 QM5)          Discovered 1990-Aug-29 by Holt, H. E. at Palomar
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1990 QM5 = 1998 EN8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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