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2979 Murmansk (1978 TB7)
Classification: Main-belt Asteroid          SPK-ID: 2002979
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587853684466336 2.1608e-08  
a 3.119158430382416 1.5703e-08 au
q 2.623881709770721 7.0441e-08 au
i 11.42377807912854 7.5057e-07 deg
node 148.5029631695413 7.1663e-06 deg
peri 196.7237230476696 7.6662e-06 deg
M 253.7029470422431 5.2459e-06 deg
tp 2459794.618808759930
(2022-Aug-03.11880876)
3.1221e-05 TDB
period 2012.123245209566
5.51
1.5195e-05
4.16e-08
d
yr
n .1789154818707466 1.3511e-09 deg/d
Q 3.614435150994112 1.8197e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2338  
   data-arc span      16397 days (44.89 yr)  
   first obs. used      1976-04-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:31:44  

Additional Information
 Earth MOID = 1.61637 au 
 Jupiter MOID = 1.79821 au 
 T_jup = 3.167 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456947.5 (2014-Oct-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572527504305793 2.1647e-08  
q 2.629828007684337 7.0569e-08 au
tp 2457782.941643836274
(2017-Jan-29.44164384)
2.7651e-05 TDB
node 148.5182166762637 7.1678e-06 deg
peri 197.0448356318569 7.6823e-06 deg
i 11.41966231589331 7.5027e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2338  
   data-arc span      16397 days (44.89 yr)  
   first obs. used      1976-04-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46075  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:31:44  

Additional Information
 Jupiter MOID = 1.79821 au 
 T_jup = 3.167 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.686127510797818E-16 -1.501009774346813E-15 -4.535804372417123E-14 2.76297327319549E-15 3.081113353265977E-14 -2.853506319436609E-17
q -1.501009774346813E-15 4.980019572644021E-15 1.368656557824137E-13 -3.967081765920986E-15 -1.14010215390962E-13 5.227484250384422E-16
tp -4.535804372417123E-14 1.368656557824137E-13 7.645978241471698E-10 4.785028383678265E-11 7.621826063304678E-11 3.846464407460854E-12
node 2.76297327319549E-15 -3.967081765920986E-15 4.785028383678265E-11 5.137803961253873E-11 -4.278207399164252E-11 1.213523518278454E-12
peri 3.081113353265977E-14 -1.14010215390962E-13 7.621826063304678E-11 -4.278207399164252E-11 5.901796903422239E-11 -5.975225833591366E-13
i -2.853506319436609E-17 5.227484250384422E-16 3.846464407460854E-12 1.213523518278454E-12 -5.975225833591366E-13 5.62898688537063E-13

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.58   n/a E2021B10  
diameter diameter 20.558 km 0.294 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2979 Murmansk (1978 TB7)          Discovered 1978-Oct-02 by Zhuravleva, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1978 TB7 = 1976 HM = 1982 KM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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