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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2043507540962818 1.7874e-08  
a 3.190131326222521 1.419e-08 au
q 2.538225584042778 5.9536e-08 au
i .5869623312983707 7.9553e-07 deg
node 24.3002727873535 6.517e-05 deg
peri 316.5545791246509 6.5734e-05 deg
M 300.6128306824769 5.0626e-06 deg
tp 2459543.821810361163
(2021-Nov-25.32181036)
3.031e-05 TDB
period 2081.187791073073
5.70
1.3886e-05
3.802e-08
d
yr
n .1729781433199653 1.1541e-09 deg/d
Q 3.842037068402265 1.709e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2803  
   data-arc span      24178 days (66.20 yr)  
   first obs. used      1954-12-22  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45004  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:04:26  

Additional Information
 Earth MOID = 1.52805 au 
 Jupiter MOID = 1.56463 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 11.93   n/a E2020-QM5  
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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