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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1044805875612766 7.761e-08  
a 2.527370709821335 7.948e-09 au
q 2.263309533074042 1.9685e-07 au
i 5.74207629676204 3.9332e-06 deg
node 88.17478032866968 3.8752e-05 deg
peri 93.47956204015168 4.6656e-05 deg
M 335.6090734073877 2.9208e-05 deg
tp 2459099.932337090988
(2020-Sep-07.43233709)		 0.00011912 TDB
period 1467.580217456677
4.02		 6.9228e-06
1.895e-08		 d
yr
n .2453017529930197 1.1571e-09 deg/d
Q 2.791431886568629 8.7784e-09 au
   Orbit Determination Parameters
   # obs. used (total)      3351  
   data-arc span      29302 days (80.22 yr)  
   first obs. used      1940-04-01  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:15:38  

Additional Information
 Earth MOID = 1.27464 au 
 Jupiter MOID = 2.18432 au 
 T_jup = 3.438 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456558.5 (2013-Sep-23.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1046311273641637 7.7488e-08  
q 2.263249048623346 1.9649e-07 au
tp 2456166.525906335542
(2012-Aug-27.02590634)		 0.00011988 TDB
node 88.22567506488342 3.8753e-05 deg
peri 93.87751001244499 4.6822e-05 deg
i 5.742104602425937 3.9334e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      3351  
   data-arc span      29302 days (80.22 yr)  
   first obs. used      1940-04-01  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40713  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:15:38  

Additional Information
 Jupiter MOID = 2.18432 au 
 T_jup = 3.438 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.004314712328114E-15 -1.521590888431623E-14 -6.878699960048608E-12 7.7922934757779E-14 -1.358377910906495E-12 3.357143323352643E-15
q -1.521590888431623E-14 3.860965448615233E-14 1.736412476535011E-11 -1.96703294361811E-13 3.426796027910464E-12 -8.30389438337678E-15
tp -6.878699960048608E-12 1.736412476535011E-11 1.43712399794561E-8 -1.1138994355497E-10 3.153641996654998E-9 -1.24836617692355E-12
node 7.7922934757779E-14 -1.96703294361811E-13 -1.1138994355497E-10 1.501829440764958E-9 -1.515524206703502E-9 3.582526730969597E-11
peri -1.358377910906495E-12 3.426796027910464E-12 3.153641996654998E-9 -1.515524206703502E-9 2.192334825078741E-9 -3.571157584600462E-11
i 3.357143323352643E-15 -8.30389438337678E-15 -1.24836617692355E-12 3.582526730969597E-11 -3.571157584600462E-11 1.5471480341451E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6   n/a MPO416725  
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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