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2983 Poltava (1981 RW2)
Classification: Main-belt Asteroid          SPK-ID: 2002983
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06058147518126723 4.869e-08  
a 2.846077863360804 1.7429e-08 au
q 2.673658267917658 1.3707e-07 au
i 4.267900741364395 5.1031e-06 deg
node 247.785311025106 6.8642e-05 deg
peri 86.58472054829333 8.2493e-05 deg
M 96.77340847148621 4.4313e-05 deg
tp 2457129.064665825349
(2015-Apr-16.56466583)
0.0002163 JED
period 1753.753670388498
4.80
1.611e-05
4.411e-08
d
yr
n .2052739823605054 1.8856e-09 deg/d
Q 3.018497458803951 1.8485e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1652  
   data-arc span      30104 days (82.42 yr)  
   first obs. used      1933-09-25  
   last obs. used      2016-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51933  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:38:22  

Additional Information
 Earth MOID = 1.66707 au 
 Jupiter MOID = 2.20133 au 
 T_jup = 3.301 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.4 mag n/a MPO347544  
diameter diameter 30.86 km 1.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15
rotation period rot_per 8.865 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Published Reference List:
[Carbognani, A. (2011) Minor Planet Bul. 38, 57-63.]
geometric albedo albedo 0.0614   0.007 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 15

2983 Poltava (1981 RW2)          Discovered 1981-Sep-02 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 RW2 = 1933 SM = 1955 FM = 1962 SF = 1971 OD = 1972 VE = 1972 XK1 = 1977 UO1 = 1977 VR2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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