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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06060192128354923 4.8934e-08  
a 2.846587698051815 1.7808e-08 au
q 2.674079014447759 1.3817e-07 au
i 4.267364577685066 5.1539e-06 deg
node 247.7867617087281 7.0194e-05 deg
peri 86.75284362833138 8.3909e-05 deg
M 55.555683092126 4.4699e-05 deg
tp 2457129.785654486160
(2015-Apr-17.28565449)
0.00021801 JED
period 1754.224931828712
4.80
1.6461e-05
4.507e-08
d
yr
n .2052188368025951 1.9257e-09 deg/d
Q 3.01909638165587 1.8887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1578  
   data-arc span      30028 days (82.21 yr)  
   first obs. used      1933-09-25  
   last obs. used      2015-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51954  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:46:02  

Additional Information
 Earth MOID = 1.66624 au 
 Jupiter MOID = 2.2002 au 
 T_jup = 3.300 
[ 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. 2015-December); 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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