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9963 Sandage (1992 AN)
Classification: Main-belt Asteroid          SPK-ID: 2009963
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2800087819168277 4.7881e-08  
a 2.3421137099039 1.0639e-08 au
q 1.686301302883007 1.1536e-07 au
i 23.46381649032275 5.0765e-06 deg
node 116.9074448244053 1.3001e-05 deg
peri 241.1218350218103 1.5541e-05 deg
M 297.6941712227576 1.0665e-05 deg
tp 2458827.087823512421
(2019-Dec-09.58782351)
3.945e-05 TDB
period 1309.213248027065
3.58
8.921e-06
2.442e-08
d
yr
n .2749743027291439 1.8737e-09 deg/d
Q 2.997926116924793 1.3619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1746  
   data-arc span      11226 days (30.74 yr)  
   first obs. used      1989-02-04  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:20:48  

Additional Information
 Earth MOID = .774739 au 
 Jupiter MOID = 2.62587 au 
 T_jup = 3.403 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.0   n/a MPO452310  
diameter diameter 6.371 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.65053 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Clark, M. (2016) Minor Planet Bull. 43, 2-5.]
geometric albedo albedo 0.158   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9963 Sandage           Discovered 1992 Jan. 9 by E. F. Helin at Palomar.
Allan Sandage (b. 1926), a distinguished American astronomer of Palomar and Mt. Wilson fame, is an international authority in stellar astronomy and observational cosmology. The name was suggested by S. Kientz and endorsed by the discoverer, who first met Sandage at Palomar in the early 1970s.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010902/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1992 AN = 1976 NH = 1989 CK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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