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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05790985331102492 3.8096e-08  
a 2.846300239072022 1.0702e-08 au
q 2.681471409748226 1.0647e-07 au
i 4.270557282578177 3.9254e-06 deg
node 247.744578034575 5.0503e-05 deg
peri 86.28503621510751 6.2102e-05 deg
M 65.3304481483719 3.5587e-05 deg
tp 2458882.202939897611
(2020-Feb-02.70293990)
0.00017347 TDB
period 1753.959216330826
4.80
9.8918e-06
2.708e-08
d
yr
n .2052499263655045 1.1576e-09 deg/d
Q 3.011129068395818 1.1321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3105  
   data-arc span      31892 days (87.32 yr)  
   first obs. used      1933-09-25  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43684  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:06:59  

Additional Information
 Earth MOID = 1.67357 au 
 Jupiter MOID = 2.2031 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 11.52   n/a E2021B10  
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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1918-Apr-03 07:54 00:01 Ceres 0.0444377932794476 0.0444267851105974 0.0444488017114283 5.29171138151129 5.29170958494558 2421686.829333373 1.22748470227929 572.442388453391 30.2541384346013 17.3440245600587 66105.7276955971 T 35 CATAB v2.0f-lin.ifort 2021-Feb-24 01:07:07 2021-Feb-24 01:07

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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