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5474 Gingasen (1988 XE1)
Classification: Main-belt Asteroid          SPK-ID: 2005474
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06688807658520861 3.495e-08  
a 2.384521122509516 7.9538e-09 au
q 2.225025091048052 8.3364e-08 au
i 6.142752027624375 3.461e-06 deg
node 246.9673089581963 3.6438e-05 deg
peri 256.9637525814184 4.5339e-05 deg
M 126.6385745350532 2.6544e-05 deg
tp 2458527.388286901690
(2019-Feb-12.88828690)
9.9316e-05 TDB
period 1344.931568763415
3.68
6.7292e-06
1.842e-08
d
yr
n .2676716112262862 1.3393e-09 deg/d
Q 2.544017153970981 8.4858e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2446  
   data-arc span      18173 days (49.75 yr)  
   first obs. used      1971-01-27  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:43:13  

Additional Information
 Earth MOID = 1.24708 au 
 Jupiter MOID = 2.4859 au 
 T_jup = 3.525 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456605.5 (2013-Nov-09.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06732094626042621 3.4917e-08  
q 2.222789705956232 8.3365e-08 au
tp 2457183.527157046329
(2015-Jun-10.02715705)
9.9265e-05 TDB
node 247.0392057892532 3.6419e-05 deg
peri 256.8781083446167 4.5226e-05 deg
i 6.145194868937911 3.4624e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2446  
   data-arc span      18173 days (49.75 yr)  
   first obs. used      1971-01-27  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42822  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:43:13  

Additional Information
 Jupiter MOID = 2.4859 au 
 T_jup = 3.525 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.219192336768812E-15 -2.899148957900372E-15 3.279722335385854E-13 6.514954928362571E-15 7.499665273884599E-14 -3.753916279701367E-16
q -2.899148957900372E-15 6.949783378214354E-15 -8.886543705944901E-13 -1.464279693276973E-14 -2.146330928669369E-13 1.012212912229675E-15
tp 3.279722335385854E-13 -8.886543705944901E-13 9.853487829999916E-9 -7.147336444655301E-12 2.676828262616375E-9 -1.186833391633145E-13
node 6.514954928362571E-15 -1.464279693276973E-14 -7.147336444655301E-12 1.326365192890795E-9 -1.320243469735075E-9 -2.140587360145837E-12
peri 7.499665273884599E-14 -2.146330928669369E-13 2.676828262616375E-9 -1.320243469735075E-9 2.045381437235141E-9 2.107497504370747E-12
i -3.753916279701367E-16 1.012212912229675E-15 -1.186833391633145E-13 -2.140587360145837E-12 2.107497504370747E-12 1.19882167817555E-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 13.1   n/a MPO384803  
diameter diameter 5.046 km 0.485 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.6242 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Hornoch, K.; et al. (2008) Minor Planet Bull. 35, 173-175.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2008) http://www.asu.cas.cz/~ppravec/neo.htm]
[Sada, P.V. (2008) Minor Planet Bull. 35, 161-162.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.480   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

5474 Gingasen (1988 XE1)          Discovered 1988-Dec-03 by Fujii and Watanabe at Kitami
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 XE1 = 1955 YK = 1971 BO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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