Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456767.5 (2014-Apr-20.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2108376216438367 3.3025e-08  
q 2.506983184460926 1.0754e-07 au
tp 2456759.266909429380
(2014-Apr-11.76690943)
4.9169e-05 TDB
node 127.5247880951347 0.00013473 deg
peri 301.5666551218712 0.00013505 deg
i 1.625881909355174 3.7462e-06 deg
  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
 Jupiter MOID = 1.46279 au 
 T_jup = 3.164 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.090634888801601E-15 -3.533598020177813E-15 5.924744636620974E-14 -4.194569718680811E-15 1.185309864939249E-14 -2.19922703420772E-16
q -3.533598020177813E-15 1.156521725716817E-14 -3.325470463204722E-13 1.436364738473542E-14 -6.544455588031853E-14 7.386877368710359E-16
tp 5.924744636620974E-14 -3.325470463204722E-13 2.417602359146209E-9 -3.735789873557103E-12 4.791788602028335E-10 -9.051274694381811E-14
node -4.194569718680811E-15 1.436364738473542E-14 -3.735789873557103E-12 1.815155359281641E-8 -1.814473322630373E-8 6.375953034039603E-12
peri 1.185309864939249E-14 -6.544455588031853E-14 4.791788602028335E-10 -1.814473322630373E-8 1.823896995342248E-8 -6.388388271781837E-12
i -2.19922703420772E-16 7.386877368710359E-16 -9.051274694381811E-14 6.375953034039603E-12 -6.388388271781837E-12 1.403430543059533E-11

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-20 18:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin