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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05791912418381211 3.8456e-08  
a 2.845995946452178 1.1006e-08 au
q 2.681158353802988 1.0782e-07 au
i 4.27072070904111 3.9279e-06 deg
node 247.7424338867063 5.2977e-05 deg
peri 86.13223119447075 6.4182e-05 deg
M 24.41947511111264 3.5691e-05 deg
tp 2458881.544735617221
(2020-Feb-02.04473562)
0.00017389 TDB
period 1753.67795511348
4.80
1.0172e-05
2.785e-08
d
yr
n .2052828450915348 1.1907e-09 deg/d
Q 3.010833539101367 1.1643e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2967  
   data-arc span      31829 days (87.14 yr)  
   first obs. used      1933-09-25  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:09:25  

Additional Information
 Earth MOID = 1.67513 au 
 Jupiter MOID = 2.20399 au 
 T_jup = 3.301 
[ 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 11.4   n/a MPO347544  
diameter diameter 30.690 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.865 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Carbognani, A. (2011) Minor Planet Bull. 38, 57-63.]
geometric albedo albedo 0.072   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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