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2372 Proskurin (1977 RA8)
Classification: Main-belt Asteroid          SPK-ID: 2002372
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .170606264706229 3.0555e-08  
a 3.121200280522242 1.8082e-08 au
q 2.588703959262308 9.7567e-08 au
i 2.743672961255694 3.5147e-06 deg
node 98.13022649980196 7.9968e-05 deg
peri 318.9716691203272 8.1032e-05 deg
M 287.8413831717964 1.579e-05 deg
tp 2459604.207280748315
(2022-Jan-24.70728075)
9.0373e-05 TDB
period 2014.09931977228
5.51
1.7502e-05
4.792e-08
d
yr
n .1787399441854251 1.5532e-09 deg/d
Q 3.653696601782176 2.1167e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2563  
   data-arc span      41680 days (114.11 yr)  
   first obs. used      1906-11-11  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:42:20  

Additional Information
 Earth MOID = 1.60087 au 
 Jupiter MOID = 1.69835 au 
 T_jup = 3.192 
[ 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 11.89   n/a E2021B10  
diameter diameter 22.245 km 0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 18.184 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.068   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2372 Proskurin (1977 RA8)          Discovered 1977-Sep-13 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1977 RA8 = 1949 QK2 = 1950 XR = 1961 XW = 1972 VR1 = 2015 RG289 = A906 VD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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