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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0578993901792771 1.3603e-08  
a 2.846913113133516 1.0433e-08 au
q 2.682078579989698 3.7066e-08 au
i 4.270003499386153 5.7156e-07 deg
node 247.7445652087495 9.4449e-06 deg
peri 86.49809765634981 2.6067e-05 deg
M 105.3413172133147 2.0867e-05 deg
tp 2458883.099851546855
(2020-Feb-03.59985155)
0.0001019 TDB
period 1754.525748608841
4.80
9.6445e-06
2.641e-08
d
yr
n .2051836516422988 1.1279e-09 deg/d
Q 3.011747646277333 1.1037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3250  
   data-arc span      31977 days (87.55 yr)  
   first obs. used      1933-09-25  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42978  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 13:51:01  

Additional Information
 Earth MOID = 1.67539 au 
 Jupiter MOID = 2.20189 au 
 T_jup = 3.301 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.53   n/a MPCxxxxx  
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

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 ]
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