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3986 Rozhkovskij (1985 SF2)
Classification: Main-belt Asteroid          SPK-ID: 2003986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336234307895701 3.2569e-08  
a 2.253708699208113 6.3252e-09 au
q 1.952560410819626 7.4799e-08 au
i 4.949620913947341 3.5866e-06 deg
node 281.6020290215268 4.0573e-05 deg
peri 164.124544541631 4.3294e-05 deg
M 27.05340070232977 1.3778e-05 deg
tp 2458907.632348529888
(2020-Feb-28.13234853)
4.7336e-05 TDB
period 1235.791200415006
3.38
5.2025e-06
1.424e-08
d
yr
n .2913113476444111 1.2264e-09 deg/d
Q 2.5548569875966 7.1704e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2490  
   data-arc span      33322 days (91.23 yr)  
   first obs. used      1929-02-04  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41947  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:02:16  

Additional Information
 Earth MOID = .969397 au 
 Jupiter MOID = 2.63206 au 
 T_jup = 3.608 
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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 12.8   n/a MPO452220  
diameter diameter 6.768 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.548 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Bianchi, E.; Padova, E. (1921) Mem. Soc. Astron. Ital. 2, 45-54.]
[Warner, B.D. (2010) Minor Planet Bull. 37, 112-118.]
geometric albedo albedo 0.267   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3986 Rozhkovskij (1985 SF2)          Discovered 1985-Sep-19 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1985 SF2 = 1929 CQ = 1956 AQ = 1968 QW = 1982 YA4 = 1988 NX 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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