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4485 Radonezhskij (1987 QQ11)
Classification: Main-belt Asteroid          SPK-ID: 2004485
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07327169500076125 1.134e-08  
a 3.008761298696229 1.3837e-08 au
q 2.788304258488064 3.2504e-08 au
i 10.13607315087728 4.624e-07 deg
node 316.2621736859576 4.588e-06 deg
peri 142.2737425720015 2.3492e-05 deg
M 25.32375735699726 2e-05 deg
tp 2459066.407134670909
(2020-Aug-04.90713467)
0.00010578 TDB
period 1906.250752522481
5.22
1.315e-05
3.6e-08
d
yr
n .1888523844639136 1.3027e-09 deg/d
Q 3.229218338904393 1.4851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2587  
   data-arc span      24907 days (68.19 yr)  
   first obs. used      1953-01-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38344  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:39:40  

Additional Information
 Earth MOID = 1.81255 au 
 Jupiter MOID = 1.88132 au 
 T_jup = 3.222 
[ 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 12.02   n/a E2021B10  
diameter diameter 14.207 km 0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.168   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4485 Radonezhskij (1987 QQ11)          Discovered 1987-Aug-27 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1987 QQ11 = 1969 EN = 1971 QJ2 = 1974 CP = 1984 BE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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