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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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05791912133033893 3.8659e-08  
a 2.845995947844668 1.1169e-08 au
q 2.6811583632358 1.0861e-07 au
i 4.27072077837592 3.9351e-06 deg
node 247.7424370780913 5.4015e-05 deg
peri 86.132228933482 6.5049e-05 deg
M 24.41947359299026 3.5753e-05 deg
tp 2458881.544742925189
(2020-Feb-02.04474293)
0.00017418 TDB
period 1753.67795640054
4.80
1.0324e-05
2.827e-08
d
yr
n .2052828449408735 1.2085e-09 deg/d
Q 3.010833532453536 1.1816e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2922  
   data-arc span      31810 days (87.09 yr)  
   first obs. used      1933-09-25  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:04:16  

Additional Information
 Earth MOID = 1.67513 au 
 Jupiter MOID = 2.20399 au 
 T_jup = 3.301 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456675.5 (2014-Jan-18.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06077152073761192 3.8841e-08  
q 2.673566839176373 1.0973e-07 au
tp 2457131.696596097051
(2015-Apr-19.19659610)
0.00016591 TDB
node 247.8056452645353 5.4068e-05 deg
peri 87.18611050227408 6.41e-05 deg
i 4.267735438967954 3.9371e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2922  
   data-arc span      31810 days (87.09 yr)  
   first obs. used      1933-09-25  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:04:16  

Additional Information
 Jupiter MOID = 2.20399 au 
 T_jup = 3.301 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.508588771779005E-15 -4.242848214575031E-15 1.734013226292663E-12 -9.517797275556882E-15 3.11885318751264E-13 -6.510969888146557E-16
q -4.242848214575031E-15 1.203985736611618E-14 -5.127017391668683E-12 2.827302445211286E-14 -9.374165524446181E-13 1.912357459038877E-15
tp 1.734013226292663E-12 -5.127017391668683E-12 2.752740058442754E-8 -2.933599905844661E-11 5.73093077898478E-9 -4.109623303584011E-12
node -9.517797275556882E-15 2.827302445211286E-14 -2.933599905844661E-11 2.923317639950576E-9 -2.920436232997525E-9 -6.382118099050718E-11
peri 3.11885318751264E-13 -9.374165524446181E-13 5.73093077898478E-9 -2.920436232997525E-9 4.108873666079493E-9 6.280710768258092E-11
i -6.510969888146557E-16 1.912357459038877E-15 -4.109623303584011E-12 -6.382118099050718E-11 6.280710768258092E-11 1.550101388858035E-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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