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JPL Small-Body Database Browser
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19630 Janebell (1999 RT33)
Classification: Main-belt Asteroid          SPK-ID: 2019630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03475142910291538 3.7228e-08  
a 2.613978418018502 1.3475e-08 au
q 2.523138932348182 9.4401e-08 au
i 15.67300142942532 3.7153e-06 deg
node 136.8433967020889 1.6877e-05 deg
peri 341.3123016271159 7.3186e-05 deg
M 188.8315557471534 7.255e-05 deg
tp 2459734.460395188726
(2022-Jun-03.96039519)
0.00031259 TDB
period 1543.659191513316
4.23
1.1936e-05
3.268e-08
d
yr
n .2332120988746722 1.8033e-09 deg/d
Q 2.704817903688823 1.3943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      15880 days (43.48 yr)  
   first obs. used      1976-03-02  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50653  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:28:18  

Additional Information
 Earth MOID = 1.5406 au 
 Jupiter MOID = 2.33013 au 
 T_jup = 3.355 
[ 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 14.1   n/a MPO492961  
diameter diameter 4.202 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.251   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19630 Janebell           Discovered 1999 Sept. 2 by G. Bell at Farpoint Observatory.
Jane Bell (b. 1945), wife of the discoverer, has encouraged his astronomical interests and been very understanding of his nights away from home.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1999 RT33 = 1976 EA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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