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4208 Kiselev (1986 RQ2)
Classification: Outer Main-belt Asteroid          SPK-ID: 2004208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07509972445655963 4.7539e-08  
a 3.209279276501162 2.1541e-08 au
q 2.968263287131777 1.5821e-07 au
i 16.7549095621654 4.3055e-06 deg
node 147.6090424558822 1.7397e-05 deg
peri 218.2233168966342 3.3514e-05 deg
M 233.6168976659222 3.0373e-05 deg
tp 2459337.718466886583
(2021-May-03.21846689)
0.00017908 TDB
period 2099.953579060133
5.75
2.1143e-05
5.789e-08
d
yr
n .1714323609768191 1.726e-09 deg/d
Q 3.450295265870546 2.3159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2139  
   data-arc span      13397 days (36.68 yr)  
   first obs. used      1983-02-14  
   last obs. used      2019-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44702  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:33:54  

Additional Information
 Earth MOID = 1.97845 au 
 Jupiter MOID = 1.98571 au 
 T_jup = 3.121 
[ 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 11.3   n/a MPO492800  
diameter diameter 30.413 km 0.651 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.058   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4208 Kiselev (1986 RQ2)          Discovered 1986-Sep-06 by Bowell, E. at Flagstaff
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1986 RQ2 = 1983 CS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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