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JPL Small-Body Database Browser
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3461 Mandelshtam (1977 SA1)
Classification: Main-belt Asteroid          SPK-ID: 2003461
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1361523287494578 3.1393e-08  
a 2.377760710286919 7.5843e-09 au
q 2.05402305237239 7.5179e-08 au
i 3.245426667745672 3.3942e-06 deg
node 57.89538525758047 7.3507e-05 deg
peri 343.7603103471494 7.4957e-05 deg
M 205.7093048977677 1.5645e-05 deg
tp 2459574.468266142949
(2021-Dec-25.96826614)
5.9168e-05 TDB
period 1339.216053661243
3.67
6.4075e-06
1.754e-08
d
yr
n .2688139818932177 1.2861e-09 deg/d
Q 2.701498368201448 8.6169e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2312  
   data-arc span      18942 days (51.86 yr)  
   first obs. used      1968-02-27  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 19:05:14  

Additional Information
 Earth MOID = 1.0627 au 
 Jupiter MOID = 2.68032 au 
 T_jup = 3.526 
[ 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 13.4   n/a MPO473813  
diameter diameter 7.615 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.848 h n/a LCDB (Rev. 2019-January); 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 0.160   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3461 Mandelshtam (1977 SA1)          Discovered 1977-Sep-18 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1977 SA1 = 1968 DQ = 1981 YU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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