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10808 Digerrojr (1993 FT5)
Classification: Main-belt Asteroid          SPK-ID: 2010808
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04096454956607076 2.8026e-08  
a 3.057549896610966 1.5238e-08 au
q 2.932298742320512 8.4165e-08 au
i 9.862258989507886 3.7084e-06 deg
node 167.0618513487972 2.0111e-05 deg
peri 328.0279031679735 5.3453e-05 deg
M 76.7560545009553 4.9051e-05 deg
tp 2458584.140097388068
(2019-Apr-10.64009739)
0.00026622 TDB
period 1952.804451907177
5.35
1.4599e-05
3.997e-08
d
yr
n .1843502556789091 1.3781e-09 deg/d
Q 3.18280105090142 1.5862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2388  
   data-arc span      15855 days (43.41 yr)  
   first obs. used      1977-03-15  
   last obs. used      2020-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45039  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:03:51  

Additional Information
 Earth MOID = 1.94927 au 
 Jupiter MOID = 1.81385 au 
 T_jup = 3.211 
[ show covariance matrix ]

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 12.97   n/a E2021B10  
diameter diameter 8.641 km 0.347 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.197   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

10808 Digerrojr           Discovered 1993 Mar. 17 at the European Southern Observatory in the course of the Uppsala-ESO Survey of Asteroids and Comets.
Digerrojr is a large cairn on Gotland.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1993 FT5 = 1977 EQ4 = 1987 DR4 = 1998 FK125 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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