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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1824114741121371 1.6706e-08  
a 2.594349070947681 8.3453e-09 au
q 2.121110032554661 4.3183e-08 au
i 10.17575192482089 7.9172e-07 deg
node 230.6290160979053 1.6331e-06 deg
peri 91.54244917353783 5.9518e-06 deg
M 173.9057363689764 5.2449e-06 deg
tp 2458463.186052977926
(2018-Dec-10.68605298)
2.0218e-05 TDB
period 1526.30399933891
4.18
7.3645e-06
2.016e-08
d
yr
n .2358638909129029 1.1381e-09 deg/d
Q 3.067588109340701 9.8675e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2333  
   data-arc span      16394 days (44.88 yr)  
   first obs. used      1976-05-03  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45356  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 00:19:03  

Additional Information
 Earth MOID = 1.1368 au 
 Jupiter MOID = 2.33361 au 
 T_jup = 3.372 
[ 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 12.98   n/a MPCxxxxx  
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

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 ]
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