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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0587908850739838 4.1049e-08  
a 2.848747524193987 1.3431e-08 au
q 2.681267135894303 1.1765e-07 au
i 4.271041744254363 4.1451e-06 deg
node 247.7519359745749 5.9122e-05 deg
peri 85.72500230173651 6.9241e-05 deg
M 302.7563456984071 3.6337e-05 deg
tp 2458879.757096049642
(2020-Jan-31.25709605)
0.00017751 TDB
period 1756.221817150372
4.81
1.242e-05
3.4e-08
d
yr
n .2049854958436471 1.4497e-09 deg/d
Q 3.016227912493672 1.4221e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2557  
   data-arc span      31462 days (86.14 yr)  
   first obs. used      1933-09-25  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:23:35  

Additional Information
 Earth MOID = 1.67425 au 
 Jupiter MOID = 2.2001 au 
 T_jup = 3.300 
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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-January); 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

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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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