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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135964647894093 3.3069e-08  
a 3.173925429112554 1.5758e-08 au
q 2.495986177948903 1.0869e-07 au
i 1.627237479426177 4.2149e-06 deg
node 127.5376112753146 0.00014615 deg
peri 300.8699121151753 0.00014651 deg
M 321.389692324955 1.0555e-05 deg
tp 2458822.010474194866
(2019-Dec-04.51047419)
6.1149e-05 TDB
period 2065.349268420686
5.65
1.5381e-05
4.211e-08
d
yr
n .1743046590251932 1.2981e-09 deg/d
Q 3.851864680276205 1.9124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2331  
   data-arc span      18551 days (50.79 yr)  
   first obs. used      1969-01-15  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:15:32  

Additional Information
 Earth MOID = 1.51039 au 
 Jupiter MOID = 1.46397 au 
 T_jup = 3.165 
[ 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

[ 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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