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9532 Abramenko (1981 RQ2)
Classification: Main-belt Asteroid          SPK-ID: 2009532
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822176401523432 3.7908e-08  
a 2.593582089369343 9.7739e-09 au
q 2.120985681503078 9.7749e-08 au
i 10.17791086743999 4.7142e-06 deg
node 230.6417286595091 2.3596e-05 deg
peri 91.41237571952982 2.6991e-05 deg
M 32.5171046505707 1.4658e-05 deg
tp 2458462.697279215408
(2018-Dec-10.19727922)
6.1762e-05 TDB
period 1525.627204991098
4.18
8.624e-06
2.361e-08
d
yr
n .235968524173047 1.3339e-09 deg/d
Q 3.066178497235609 1.1555e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1836  
   data-arc span      15923 days (43.59 yr)  
   first obs. used      1976-05-03  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4815  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:52:50  

Additional Information
 Earth MOID = 1.13768 au 
 Jupiter MOID = 2.33249 au 
 T_jup = 3.373 
[ 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 12.9   n/a MPO350878  
diameter diameter 6.251 km 0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.329   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

9532 Abramenko (1981 RQ2)          Discovered 1981-Sep-07 by Karachkina, L. G. at Nauchnyj
Reference: 19981110/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1981 RQ2 = 1976 JL6 = 1981 SY = 1981 TE1 = 1981 UD13 = 1993 LD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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