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4361 Nezhdanova (1977 TG7)
Classification: Main-belt Asteroid          SPK-ID: 2004361
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .158971958081903 1.6408e-08  
a 3.157453538292362 1.3494e-08 au
q 2.655506966757392 5.5282e-08 au
i 2.718076258551035 4.4253e-07 deg
node 74.74232249126091 1.1855e-05 deg
peri 356.9186267166784 1.4242e-05 deg
M 238.9714968427325 6.6761e-06 deg
tp 2459889.452120536979
(2022-Nov-05.95212054)
4.0206e-05 TDB
period 2049.292166086077
5.61
1.3138e-05
3.597e-08
d
yr
n .1756704124271164 1.1262e-09 deg/d
Q 3.659400109827331 1.564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2332  
   data-arc span      24147 days (66.11 yr)  
   first obs. used      1954-08-04  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:15:17  

Additional Information
 Earth MOID = 1.66964 au 
 Jupiter MOID = 1.62687 au 
 T_jup = 3.184 
[ 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 12.45   n/a E2020-QM5  
diameter diameter 17.079 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 21.279 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4361 Nezhdanova (1977 TG7)          Discovered 1977-Oct-09 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 TG7 = 1983 WV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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