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4211 Rosniblett (1987 RT)
Classification: Main-belt Asteroid          SPK-ID: 2004211
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2042128390389557 3.5585e-08  
a 3.189095027404678 1.4959e-08 au
q 2.537840877893352 1.144e-07 au
i .5870072362397016 4.3168e-06 deg
node 24.30265629749292 0.00031634 deg
peri 316.6333126403671 0.0003165 deg
M 265.9112935852143 1.1556e-05 deg
tp 2459544.169055163014
(2021-Nov-25.66905516)
6.8319e-05 TDB
period 2080.173777667411
5.70
1.4636e-05
4.007e-08
d
yr
n .1730624642349273 1.2176e-09 deg/d
Q 3.840349176916003 1.8014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2746  
   data-arc span      23966 days (65.62 yr)  
   first obs. used      1954-12-22  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:13:07  

Additional Information
 Earth MOID = 1.52953 au 
 Jupiter MOID = 1.56609 au 
 T_jup = 3.164 
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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 11.8   n/a MPO340726  
diameter diameter 24.973 km 0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.054   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

4211 Rosniblett           Discovered 1987 Sept. 12 by H. Debehogne at the European Southern Observatory.
The British archaeologist Rosalind Niblett is co-author of Alban's Buried Towns: An Assessment of St. Albans' Archaeology up to A.D. 1600, the first in a series of studies of important archaeological sites in England. The citation was prepared by M. M. Dworetsky.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060219/MPCPages.arcLast Updated: 2010-06-03

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Alternate Designations
 1987 RT = 1935 SQ = 1970 RG = 1975 NL 
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