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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587853714454557 3.5532e-08  
a 3.119158444588554 1.7253e-08 au
q 2.62388171236733 1.0976e-07 au
i 11.42377812418228 3.8551e-06 deg
node 148.5029055588476 2.0549e-05 deg
peri 196.7238069060035 2.4065e-05 deg
M 253.7029181519366 1.4582e-05 deg
tp 2459794.618974293386
(2022-Aug-03.11897429)
8.3919e-05 TDB
period 2012.123258955821
5.51
1.6694e-05
4.571e-08
d
yr
n .1789154806484468 1.4844e-09 deg/d
Q 3.614435176809777 1.9992e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2256  
   data-arc span      16337 days (44.73 yr)  
   first obs. used      1976-04-23  
   last obs. used      2021-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46151  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:05:48  

Additional Information
 Earth MOID = 1.61637 au 
 Jupiter MOID = 1.79821 au 
 T_jup = 3.167 
[ show covariance matrix ]

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

[ show close-approach data ]
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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