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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07302089649950726 3.9333e-08  
a 3.007292589651801 1.7383e-08 au
q 2.787697388719102 1.2127e-07 au
i 10.13591143233636 4.9686e-06 deg
node 316.2728849963644 2.6433e-05 deg
peri 142.6420025600147 4.5627e-05 deg
M 271.6213612412492 3.6668e-05 deg
tp 2459068.134733032904
(2020-Aug-06.63473303)
0.00019449 TDB
period 1904.855135316014
5.22
1.6516e-05
4.522e-08
d
yr
n .1889907496510364 1.6386e-09 deg/d
Q 3.2268877905845 1.8652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1838  
   data-arc span      24398 days (66.80 yr)  
   first obs. used      1953-01-12  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42573  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:36:37  

Additional Information
 Earth MOID = 1.81214 au 
 Jupiter MOID = 1.8842 au 
 T_jup = 3.223 
[ 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 11.9   n/a MPO416759  
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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