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4268 Grebenikov (1972 TW3)
Classification: Main-belt Asteroid          SPK-ID: 2004268
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2598567595954397 1.1723e-08  
a 2.639454228231114 7.1115e-09 au
q 1.953574205382494 3.1116e-08 au
i 4.229052009304348 6.2765e-07 deg
node 359.4585656329087 9.4626e-06 deg
peri 20.07926532014014 1.0662e-05 deg
M 85.31996731477895 3.8322e-06 deg
tp 2458829.291588039346
(2019-Dec-11.79158804)
1.6106e-05 TDB
period 1566.280819269457
4.29
6.3301e-06
1.733e-08
d
yr
n .2298438412646276 9.2891e-10 deg/d
Q 3.325334251079733 8.9595e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2433  
   data-arc span      28677 days (78.51 yr)  
   first obs. used      1942-09-14  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47576  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:30:48  

Additional Information
 Earth MOID = .955134 au 
 Jupiter MOID = 2.14654 au 
 T_jup = 3.343 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.65   n/a MPCxxxxx  
diameter diameter 4.298 km 0.740 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.136   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4268 Grebenikov (1972 TW3)          Discovered 1972-Oct-05 by Smirnova, T. M. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1972 TW3 = 1942 RC1 = 1972 RH2 = 1982 BG3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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