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JPL Small-Body Database Browser
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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221755107843378 3.5472e-08  
a 3.95812820885285 2.8584e-08 au
q 3.08039306104077 1.3724e-07 au
i 3.49274604017577 5.1375e-06 deg
node 152.0981954820883 6.6641e-05 deg
peri 283.2146039811201 6.7629e-05 deg
M 101.6703900307772 1.1298e-05 deg
tp 2457788.183636426570
(2017-Feb-03.68363643)
8.8062e-05 TDB
period 2876.293587522488
7.87
3.1157e-05
8.53e-08
d
yr
n .1251610758935384 1.3558e-09 deg/d
Q 4.83586335666493 3.4922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2068  
   data-arc span      15569 days (42.63 yr)  
   first obs. used      1976-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:02:17  

Additional Information
 Earth MOID = 2.09797 au 
 Jupiter MOID = .522716 au 
 T_jup = 3.012 
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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 11.6   n/a MPO347553  
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 39.93 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
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.]
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

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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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