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3923 Radzievskij (1976 SN3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003923
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207861917150749 1.7282e-08  
a 3.960061945528579 2.4069e-08 au
q 3.085734949619533 7.0168e-08 au
i 3.492374030965549 1.9312e-06 deg
node 152.073141794217 1.1154e-05 deg
peri 283.1595071888052 1.23e-05 deg
M 176.928555086927 5.6533e-06 deg
tp 2457785.857093921399
(2017-Feb-01.35709392)
4.1484e-05 TDB
period 2878.401657313515
7.88
2.6242e-05
7.185e-08
d
yr
n .1250694110341769 1.1402e-09 deg/d
Q 4.834388941437624 2.9383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2503  
   data-arc span      16054 days (43.95 yr)  
   first obs. used      1976-09-24  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45161  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 15:43:41  

Additional Information
 Earth MOID = 2.103 au 
 Jupiter MOID = .524815 au 
 T_jup = 3.013 
[ 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 11.71   n/a E2021B10  
diameter diameter 29.870 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 40.05 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Dahlgren, M.; Lahulla, J.F.; Lagerkvist, C.-I.; Lagerros, J.; et al. (1998) Icarus 133, 247-285.]
[Warner, B.D.; Stephens, R.D.; Coley, D.R. (2017) Minor Planet Bull. 44, 130-137.]
[Williamson, B.; Sonnett, S.; Witry, J.; Chatelain, J.; et al. (2019) Minor Planet Bull. 46, 332-334.]
geometric albedo albedo 0.050   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

3923 Radzievskij (1976 SN3)          Discovered 1976-Sep-24 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1976 SN3 = 1976 UW20 = 1984 UC = 1985 YK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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