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4006 Sandler (1972 YR)
Classification: Main-belt Asteroid          SPK-ID: 2004006
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1836878102916543 2.7477e-08  
a 2.514893413931939 7.5781e-09 au
q 2.052938149609878 7.0881e-08 au
i 2.391561253061751 4.4677e-06 deg
node 293.7018628438278 6.5219e-05 deg
peri 124.2410711557241 6.6742e-05 deg
M 350.8660877954934 1.3778e-05 deg
tp 2459037.460014612171
(2020-Jul-06.96001461)
5.5764e-05 TDB
period 1456.72576684247
3.99
6.5843e-06
1.803e-08
d
yr
n .2471295615099326 1.117e-09 deg/d
Q 2.976848678254 8.9701e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2911  
   data-arc span      20400 days (55.85 yr)  
   first obs. used      1965-01-09  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:15:12  

Additional Information
 Earth MOID = 1.06633 au 
 Jupiter MOID = 2.36618 au 
 T_jup = 3.435 
[ 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 12.7   n/a MPO452220  
diameter diameter 15.894 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.40 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Vonk, M.T.; Kopchinski, D.J.; Pittman, A.R.; Tauble, S. (2006) Minor Planet Bull. 33, 1.]
geometric albedo albedo 0.071   0.001 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4006 Sandler (1972 YR)          Discovered 1972-Dec-29 by Smirnova, T. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1972 YR = 1965 AW = 1969 AS = 1971 OO = 1973 AA1 = 1975 NC1 = 1979 OA14 = 1979 QH10 = 1981 AN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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