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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 ]

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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 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1336340544573627 1.5639e-08  
a 2.253469392062423 5.8952e-09 au
q 1.952329140605553 3.6465e-08 au
i 4.949480088216123 7.6307e-07 deg
node 281.599950079858 5.3303e-06 deg
peri 164.0692023861963 7.8842e-06 deg
M 85.37014066117871 7.7228e-06 deg
tp 2458907.492040182242
(2020-Feb-27.99204018)
2.6257e-05 TDB
period 1235.594374302821
3.38
4.8486e-06
1.327e-08
d
yr
n .2913577525821357 1.1433e-09 deg/d
Q 2.554609643519293 6.683e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2672  
   data-arc span      33651 days (92.13 yr)  
   first obs. used      1929-02-04  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:20:25  

Additional Information
 Earth MOID = .968843 au 
 Jupiter MOID = 2.63238 au 
 T_jup = 3.609 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.86   n/a E2021B10  
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. 2020-October); 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.]
[Benishek, V. (2020) Minor Planet Bull. 47, 231-241.]
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

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 ]
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