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2776 Baikal (1976 SZ7)
Classification: Main-belt Asteroid          SPK-ID: 2002776
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757145455644312 3.658e-08  
a 2.366487057154741 6.7489e-09 au
q 1.950660859322688 8.6283e-08 au
i 4.787966672761292 3.59e-06 deg
node 187.4711846779799 4.5111e-05 deg
peri 321.0554755185136 4.5965e-05 deg
M 222.4316909484457 9.607e-06 deg
tp 2459508.624956235549
(2021-Oct-21.12495624)
3.6272e-05 TDB
period 1329.702934534477
3.64
5.6882e-06
1.557e-08
d
yr
n .2707371629032572 1.1582e-09 deg/d
Q 2.782313254986795 7.9348e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2385  
   data-arc span      27318 days (74.79 yr)  
   first obs. used      1945-01-15  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48071  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:19:39  

Additional Information
 Earth MOID = .96445 au 
 Jupiter MOID = 2.22982 au 
 T_jup = 3.522 
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Orbital Elements at Epoch 2456388.5 (2013-Apr-06.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750846722458449 3.6477e-08  
q 1.952361384890561 8.5988e-08 au
tp 2456847.815412427624
(2014-Jul-09.31541243)
3.3817e-05 TDB
node 187.5834674818513 4.5099e-05 deg
peri 321.0398923062531 4.5964e-05 deg
i 4.787692900546439 3.5895e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2385  
   data-arc span      27318 days (74.79 yr)  
   first obs. used      1945-01-15  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48071  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:19:39  

Additional Information
 Jupiter MOID = 2.22982 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.330585644524358E-15 -3.130045624596419E-15 -9.817006605532607E-14 -4.174383911152549E-15 -3.982559780784002E-14 -7.73396554436945E-16
q -3.130045624596419E-15 7.393940404155245E-15 2.449146344650873E-13 1.011036398270415E-14 9.319556267741733E-14 1.865471824178134E-15
tp -9.817006605532607E-14 2.449146344650873E-13 1.143572053612222E-9 3.274171039765187E-12 3.147486261794914E-10 -5.031707078972888E-13
node -4.174383911152549E-15 1.011036398270415E-14 3.274171039765187E-12 2.033937497350924E-9 -2.025228049803587E-9 -3.40953539718337E-11
peri -3.982559780784002E-14 9.319556267741733E-14 3.147486261794914E-10 -2.025228049803587E-9 2.11271135394207E-9 3.384529909253937E-11
i -7.73396554436945E-16 1.865471824178134E-15 -5.031707078972888E-13 -3.40953539718337E-11 3.384529909253937E-11 1.288453460905962E-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 12.8   n/a MPO384776  
diameter diameter 19.441 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2776 Baikal (1976 SZ7)          Discovered 1976-Sep-25 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1976 SZ7 = 1938 EE1 = 1945 AC = 1949 GB = 1949 HH1 = 1951 WJ1 = 1962 YB = 1967 EA = 1971 KS = 1980 VE2 = 1982 HH1 = 1982 KE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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