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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1043098057814721 7.4271e-08  
a 2.526902965753136 7.9055e-09 au
q 2.263322208166801 1.8819e-07 au
i 5.742087655294067 3.9228e-06 deg
node 88.17225219368137 3.8677e-05 deg
peri 93.4854958927212 4.6228e-05 deg
M 24.67319338427944 2.8253e-05 deg
tp 2459099.944892072337
(2020-Sep-07.44489207)
0.00011511 TDB
period 1467.172825590686
4.02
6.8852e-06
1.885e-08
d
yr
n .2453698662630719 1.1515e-09 deg/d
Q 2.790483723339471 8.7301e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3384  
   data-arc span      29508 days (80.79 yr)  
   first obs. used      1940-04-01  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:58:02  

Additional Information
 Earth MOID = 1.27412 au 
 Jupiter MOID = 2.18421 au 
 T_jup = 3.438 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456578.5 (2013-Oct-13.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1046404477502583 7.4139e-08  
q 2.263201884372356 1.8788e-07 au
tp 2456166.514483604989
(2012-Aug-27.01448361)
0.00011592 TDB
node 88.22566203306718 3.8675e-05 deg
peri 93.87242493399637 4.6353e-05 deg
i 5.742101548434895 3.9231e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3384  
   data-arc span      29508 days (80.79 yr)  
   first obs. used      1940-04-01  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:58:02  

Additional Information
 Jupiter MOID = 2.18421 au 
 T_jup = 3.438 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.496657504692191E-15 -1.391955218599917E-14 -6.19072311706623E-12 7.058927365990202E-14 -1.219749479932286E-12 3.133162091109606E-15
q -1.391955218599917E-14 3.529925949893965E-14 1.560720285110964E-11 -1.77994704436307E-13 3.072782406375869E-12 -7.734289691754215E-15
tp -6.19072311706623E-12 1.560720285110964E-11 1.343742689748825E-8 -1.016244326772788E-10 2.96560121067806E-9 -9.654261365198431E-13
node 7.058927365990202E-14 -1.77994704436307E-13 -1.016244326772788E-10 1.495753688284322E-9 -1.507624412604627E-9 3.512900211610245E-11
peri -1.219749479932286E-12 3.072782406375869E-12 2.96560121067806E-9 -1.507624412604627E-9 2.148573639311898E-9 -3.496592902381914E-11
i 3.133162091109606E-15 -7.734289691754215E-15 -9.654261365198431E-13 3.512900211610245E-11 -3.496592902381914E-11 1.539048661927364E-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 12.76   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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