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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823660521370289 3.5417e-08  
a 2.594290750800973 9.3213e-09 au
q 2.121180188481791 9.028e-08 au
i 10.17641518855786 4.4742e-06 deg
node 230.638992357374 2.0649e-05 deg
peri 91.49548237667267 2.4331e-05 deg
M 126.7860627011835 1.4857e-05 deg
tp 2458462.979029458003
(2018-Dec-10.47902946)
6.16e-05 TDB
period 1526.25253338128
4.18
8.2257e-06
2.252e-08
d
yr
n .2358718443549124 1.2712e-09 deg/d
Q 3.067401313120155 1.1021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2017  
   data-arc span      16212 days (44.39 yr)  
   first obs. used      1976-05-03  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 16:17:43  

Additional Information
 Earth MOID = 1.13872 au 
 Jupiter MOID = 2.33398 au 
 T_jup = 3.372 
[ 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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