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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078940780635389 3.208e-08  
a 2.861394077628456 1.4519e-08 au
q 2.552666601646263 9.2002e-08 au
i 12.3305254996408 4.3584e-06 deg
node 208.8290136699553 1.8279e-05 deg
peri 245.4935534791153 2.8439e-05 deg
M 105.8642963952153 2.0772e-05 deg
tp 2458480.609415228972
(2018-Dec-28.10941523)
0.00010198 TDB
period 1767.929480387394
4.84
1.3456e-05
3.684e-08
d
yr
n .2036280315440613 1.5498e-09 deg/d
Q 3.170121553610648 1.6085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1859  
   data-arc span      18380 days (50.32 yr)  
   first obs. used      1969-10-08  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:07  

Additional Information
 Earth MOID = 1.59727 au 
 Jupiter MOID = 2.14557 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 12.7   n/a MPO279545  
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. 2019-August); 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.]
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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