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4211 Rosniblett (1987 RT)
Classification: Main-belt Asteroid          SPK-ID: 2004211
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2033998402653976 7.3261e-08  
a 3.19003993764421 2.452e-08 AU
q 2.541186323887139 2.3473e-07 AU
i .5872615333093774 6.5912e-06 deg
node 24.35947890971451 0.00064549 deg
peri 317.0280038674005 0.00064554 deg
M 244.9442412416636 1.7341e-05 deg
tp 2457465.617641652017
(2016-Mar-18.11764165)
0.00010501 JED
period 2081.098361166364
5.70
2.3994e-05
6.569e-08
d
yr
n .172985576615531 1.9944e-09 deg/d
Q 3.838893551401281 2.9507e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1379  
   data-arc span      21646 days (59.26 yr)  
   first obs. used      1954-12-22  
   last obs. used      2014-03-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55316  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 13:45:39  

Additional Information
 Earth MOID = 1.5317 AU 
 T_jup = 3.164 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.7 mag n/a MPO263384  
diameter diameter 31.37 km 2.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
geometric albedo albedo 0.0259   0.005 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

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

[ show close-approach data ]
Alternate Designations
 1987 RT = 1935 SQ = 1970 RG = 1975 NL 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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