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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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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138244814831987 3.2699e-08  
a 3.174865567184608 1.366e-08 au
q 2.496001583502498 1.0655e-07 au
i 1.627295667808297 3.7449e-06 deg
node 127.5328799919511 0.00013479 deg
peri 300.8145145992078 0.00013511 deg
M 31.13628772281409 8.2769e-06 deg
tp 2458821.789212300101
(2019-Dec-04.28921230)
4.74e-05 TDB
period 2066.266991900374
5.66
1.3335e-05
3.651e-08
d
yr
n .1742272423705046 1.1244e-09 deg/d
Q 3.853729550866718 1.6581e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2600  
   data-arc span      18725 days (51.27 yr)  
   first obs. used      1969-01-15  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47651  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:39:17  

Additional Information
 Earth MOID = 1.51064 au 
 Jupiter MOID = 1.46279 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 11.9   n/a MPO337267  
diameter diameter 22.518 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
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

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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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