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1772 Gagarin (1968 CB)
Classification: Main-belt Asteroid          SPK-ID: 2001772
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042309245844359 3.3013e-08  
a 2.526992734401054 7.2756e-09 au
q 2.26360194527628 8.3717e-08 au
i 5.74194378190139 3.3656e-07 deg
node 88.17253637132332 7.7268e-06 deg
peri 93.54461469807879 1.075e-05 deg
M 72.71858055195932 1.1094e-05 deg
tp 2459100.121081498659
(2020-Sep-07.62108150)
4.5149e-05 TDB
period 1467.251008622828
4.02
6.3367e-06
1.735e-08
d
yr
n .2453567916357396 1.0596e-09 deg/d
Q 2.790383523525827 8.034e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3525  
   data-arc span      29671 days (81.23 yr)  
   first obs. used      1940-04-01  
   last obs. used      2021-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:46:24  

Additional Information
 Earth MOID = 1.27569 au 
 Jupiter MOID = 2.18339 au 
 T_jup = 3.438 
[ 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 12.76   n/a E2021B10  
diameter diameter 9.634 km 0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.96 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:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[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 0.138   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
B-V BV 0.920   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=3.90 deg.

1772 Gagarin (1968 CB)          Discovered 1968-Feb-06 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1968 CB = 1940 GA = 1942 VZ = 1948 ET = 1960 FH = 1969 OO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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