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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06074875849801151 5.2115e-08  
a 2.846929066249324 2.4371e-08 AU
q 2.673981659942774 1.497e-07 AU
i 4.267453911951256 5.8945e-06 deg
node 247.8056930600056 7.6423e-05 deg
peri 87.06056165615927 9.1113e-05 deg
M 292.1502661846393 5.1802e-05 deg
tp 2457131.180848999043
(2015-Apr-18.68084900)
0.00025371 JED
period 1754.540496262118
4.80
2.253e-05
6.168e-08
d
yr
n .2051819269871205 2.6347e-09 deg/d
Q 3.019876472555873 2.5852e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      29159 days (79.83 yr)  
   first obs. used      1933-09-25  
   last obs. used      2013-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52642  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 17:46:53  

Additional Information
 Earth MOID = 1.66702 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 11.3 mag n/a MPO267719  
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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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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