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1912 Anubis (6534 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2001912
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09204445924035506 2.923e-08  
a 2.902802300674927 1.0205e-08 au
q 2.635615432627644 8.6921e-08 au
i 3.159186396450874 3.3379e-06 deg
node 76.18970237294008 6.1665e-05 deg
peri 318.8956934999698 6.472e-05 deg
M 352.0364843187223 1.9007e-05 deg
tp 2459040.460135630485
(2020-Jul-09.96013563)
9.5382e-05 TDB
period 1806.4444653252
4.95
9.526e-06
2.608e-08
d
yr
n .1992865028016192 1.0509e-09 deg/d
Q 3.169989168722209 1.1144e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3120  
   data-arc span      28371 days (77.68 yr)  
   first obs. used      1943-02-27  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:16  

Additional Information
 Earth MOID = 1.64335 au 
 Jupiter MOID = 2.21057 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456603.5 (2013-Nov-07.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0933585104539422 2.9317e-08  
q 2.632990541816984 8.7237e-08 au
tp 2457219.003703959979
(2015-Jul-15.50370396)
9.3402e-05 TDB
node 76.26474134974079 6.1813e-05 deg
peri 316.2955308086705 6.4744e-05 deg
i 3.157694283239856 3.3309e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3120  
   data-arc span      28371 days (77.68 yr)  
   first obs. used      1943-02-27  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45361  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:14:16  

Additional Information
 Jupiter MOID = 2.21057 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.594964978751237E-16 -2.543524382966706E-15 -9.889455524363123E-15 -1.797291745070299E-15 1.107097017971978E-15 7.596053105129939E-17
q -2.543524382966706E-15 7.610348269121705E-15 2.101043534081432E-14 5.790519885034375E-15 -1.279984619228797E-14 -1.222334041564686E-16
tp -9.889455524363123E-15 2.101043534081432E-14 8.723986904478991E-9 -2.349116885538682E-11 1.812315240541712E-9 -1.328549889328969E-13
node -1.797291745070299E-15 5.790519885034375E-15 -2.349116885538682E-11 3.820876179062917E-9 -3.819604343461991E-9 7.749748619711616E-12
peri 1.107097017971978E-15 -1.279984619228797E-14 1.812315240541712E-9 -3.819604343461991E-9 4.191720834000817E-9 -7.771207226894278E-12
i 7.596053105129939E-17 -1.222334041564686E-16 -1.328549889328969E-13 7.749748619711616E-12 -7.771207226894278E-12 1.109493549709598E-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 11.7   n/a MPO435715  
diameter diameter 10.407 km 0.952 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.626 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.382   0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1912 Anubis           Discovered 1960 Sept. 24 by C. J. van Houten and I. van Houten-Groeneveld at Leiden, on Palomar Schmidt plates taken by T. Gehrels.
Named for the Egyptian god who had the shape of a jackal and was the protector of the dead.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5013Last Updated: 2006-03-21

Alternate Designations
 6534 P-L = 1938 DJ2 = 1943 DD = 1968 HQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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