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2948 Amosov (1969 TD2)
Classification: Main-belt Asteroid          SPK-ID: 2002948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077563490509793 1.6211e-08  
a 2.861471921865772 1.1958e-08 au
q 2.553130154653627 4.6714e-08 au
i 12.33010803397809 1.0018e-06 deg
node 208.8274215550533 2.7775e-06 deg
peri 245.4602644791211 9.6461e-06 deg
M 146.6412698715395 1.1069e-05 deg
tp 2458480.327767990744
(2018-Dec-27.82776799)
5.2486e-05 TDB
period 1768.001625670934
4.84
1.1082e-05
3.034e-08
d
yr
n .2036197222745113 1.2764e-09 deg/d
Q 3.169813689077916 1.3246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2267  
   data-arc span      18548 days (50.78 yr)  
   first obs. used      1969-10-08  
   last obs. used      2020-07-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:29:56  

Additional Information
 Earth MOID = 1.59739 au 
 Jupiter MOID = 2.14495 au 
 T_jup = 3.259 
[ 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 12.79   n/a E2021B10  
diameter diameter 10.426 km 0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 7.3996 h n/a LCDB (Rev. 2020-October); 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:
[Galad, A. (2008) Minor Planet Bull. 35, 17-21.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.162   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2948 Amosov (1969 TD2)          Discovered 1969-Oct-08 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1969 TD2 = 1979 WJ3 = 1979 YT6 = 1981 EW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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