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2394 Nadeev (1973 SZ2)
Classification: Main-belt Asteroid          SPK-ID: 2002394
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2139017835008121 2.935e-08  
a 3.174706157762641 1.2696e-08 au
q 2.495630848526201 9.4226e-08 au
i 1.627384564612486 3.5862e-06 deg
node 127.5328984311854 0.00012597 deg
peri 300.7796580194509 0.00012628 deg
M 66.00380658839731 8.2498e-06 deg
tp 2458821.691068089210
(2019-Dec-04.19106809)
4.6988e-05 TDB
period 2066.111373519731
5.66
1.2394e-05
3.393e-08
d
yr
n .1742403650712792 1.0452e-09 deg/d
Q 3.85378146699908 1.5412e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2920  
   data-arc span      19061 days (52.19 yr)  
   first obs. used      1969-01-15  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45756  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:13:20  

Additional Information
 Earth MOID = 1.50971 au 
 Jupiter MOID = 1.46353 au 
 T_jup = 3.164 
[ 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 12.00   n/a E2021B10  
diameter diameter 22.518 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.5400 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.063   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2394 Nadeev (1973 SZ2)          Discovered 1973-Sep-22 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1973 SZ2 = 1950 TH4 = 1969 AR = 1975 BT = 1978 PC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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