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27055 (1998 SQ27)
Classification: Main-belt Asteroid          SPK-ID: 2027055
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02019280229582777 4.9197e-08  
a 2.570306084900208 1.3177e-08 au
q 2.518404402288055 1.2521e-07 au
i 22.25041823670853 5.6181e-06 deg
node 144.1859636958956 1.1949e-05 deg
peri 177.6874267338108 0.00011862 deg
M 159.462988506708 0.00011681 deg
tp 2458333.795952597409
(2018-Aug-03.29595260)
0.00048906 TDB
period 1505.135826893375
4.12
1.1575e-05
3.169e-08
d
yr
n .2391810716133479 1.8393e-09 deg/d
Q 2.622207767512361 1.3443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      8846 days (24.22 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:18  

Additional Information
 Earth MOID = 1.50623 au 
 Jupiter MOID = 2.48929 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456818.5 (2014-Jun-10.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02114278353579415 4.9292e-08  
q 2.515705040045889 1.2555e-07 au
tp 2456819.781240765636
(2014-Jun-11.28124077)
0.00046807 TDB
node 144.2459813234388 1.1938e-05 deg
peri 175.4202059366781 0.00011325 deg
i 22.26247275009586 5.6207e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      996  
   data-arc span      8846 days (24.22 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:56:18  

Additional Information
 Jupiter MOID = 2.48929 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.429748901792022E-15 -6.15709472879777E-15 1.669764428695306E-12 7.497150480786455E-15 3.6284009535652E-13 5.279542019041368E-15
q -6.15709472879777E-15 1.576374372114146E-14 -5.16456839563772E-12 -1.873894453996613E-14 -1.14316363403836E-12 -1.192950000252566E-14
tp 1.669764428695306E-12 -5.16456839563772E-12 2.190941431600289E-7 -1.236233157830391E-10 5.272887624437531E-8 6.919363157939466E-12
node 7.497150480786455E-15 -1.873894453996613E-14 -1.236233157830391E-10 1.425080821110599E-10 -1.612104662324295E-10 3.834597321922881E-12
peri 3.6284009535652E-13 -1.14316363403836E-12 5.272887624437531E-8 -1.612104662324295E-10 1.282450212905738E-8 -1.933525098123785E-12
i 5.279542019041368E-15 -1.192950000252566E-14 6.919363157939466E-12 3.834597321922881E-12 -1.933525098123785E-12 3.159254978964852E-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 14.7   n/a MPO412378  
diameter diameter 3.107 km 0.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27055 (1998 SQ27)          Discovered 1998-Sep-24 by CSS at Catalina
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SQ27 = 2000 CF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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