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2907 Nekrasov (1975 TT2)
Classification: Main-belt Asteroid          SPK-ID: 2002907
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09654168533362546 4.0948e-08  
a 3.013755843478673 1.4724e-08 au
q 2.72280277516518 1.208e-07 au
i 10.21463712608037 4.2531e-06 deg
node 172.4238963058909 1.8364e-05 deg
peri 199.5213846057645 2.5598e-05 deg
M 192.9906091941602 1.9972e-05 deg
tp 2459887.041185493600
(2022-Nov-03.54118549)
0.00010931 TDB
period 1910.999287152278
5.23
1.4004e-05
3.834e-08
d
yr
n .1883831157972135 1.3805e-09 deg/d
Q 3.304708911792166 1.6145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3183  
   data-arc span      24941 days (68.28 yr)  
   first obs. used      1952-04-29  
   last obs. used      2020-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41574  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:04:55  

Additional Information
 Earth MOID = 1.7242 au 
 Jupiter MOID = 2.15855 au 
 T_jup = 3.218 
[ 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 11.7   n/a MPO296155  
diameter diameter 16.749 km 0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.159   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2907 Nekrasov (1975 TT2)          Discovered 1975-Oct-03 by Chernykh, L. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2072-Jun-09 20:45 00:02 Psych 0.00348917059996169 0.00348248406477766 0.0034958597280501 2.08644006799445 2.08643840601666 2478003.364845795 2.3381633118518 364.725893116235 30.4095519442516 -24.39504153645 7180.64894149953 T 38 CATAB v2.0f-lin.ifort 2020-Nov-13 04:05:03 2020-Nov-13 04:05

Alternate Designations
 1975 TT2 = 1952 HL1 = 1954 UW1 = 1968 KT = 1970 XD = 1980 RW3 = 1980 TH7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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