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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05791910628777168 4.0891e-08  
a 2.845995955119688 1.3057e-08 au
q 2.681158412900543 1.1729e-07 au
i 4.270720471786695 4.1374e-06 deg
node 247.742427559686 5.8996e-05 deg
peri 86.13224452259561 6.9366e-05 deg
M 24.41946435914759 3.6817e-05 deg
tp 2458881.544787450146
(2020-Feb-02.04478745)
0.00017927 TDB
period 1753.677963124746
4.80
1.2069e-05
3.304e-08
d
yr
n .2052828441537483 1.4127e-09 deg/d
Q 3.010833497338834 1.3813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2576  
   data-arc span      31487 days (86.21 yr)  
   first obs. used      1933-09-25  
   last obs. used      2019-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:47  

Additional Information
 Earth MOID = 1.67513 au 
 Jupiter MOID = 2.20399 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456160.5 (2012-Aug-21.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06115425747065619 4.1049e-08  
q 2.671209865530211 1.1823e-07 au
tp 2455380.032693557155
(2010-Jul-02.53269356)
0.0001686 TDB
node 247.8056668253771 5.9062e-05 deg
peri 87.53897183621194 6.8367e-05 deg
i 4.267817138762873 4.1385e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2576  
   data-arc span      31487 days (86.21 yr)  
   first obs. used      1933-09-25  
   last obs. used      2019-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46956  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:35:47  

Additional Information
 Jupiter MOID = 2.20399 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.685020940695891E-15 -4.827292970544836E-15 1.30709810426595E-12 -5.476595606976026E-15 2.335196640056227E-13 -4.701861507811703E-16
q -4.827292970544836E-15 1.39790010470208E-14 -3.840822461900249E-12 1.775905122833972E-14 -6.804860316390683E-13 1.481856749159883E-15
tp 1.30709810426595E-12 -3.840822461900249E-12 2.842658996761506E-8 2.538962821359247E-12 5.830777268237711E-9 -2.364866294893892E-12
node -5.476595606976026E-15 1.775905122833972E-14 2.538962821359247E-12 3.488349131127591E-9 -3.477048054296467E-9 -3.579478444968157E-11
peri 2.335196640056227E-13 -6.804860316390683E-13 5.830777268237711E-9 -3.477048054296467E-9 4.67399015317837E-9 3.523175529401983E-11
i -4.701861507811703E-16 1.481856749159883E-15 -2.364866294893892E-12 -3.579478444968157E-11 3.523175529401983E-11 1.712685944156696E-11

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. 2019-August); 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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