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20590 Bongiovanni (1999 RN172)
Classification: Main-belt Asteroid          SPK-ID: 2020590
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06465778662837278 3.6741e-08  
a 2.765696223886781 1.3169e-08 au
q 2.586872427563814 1.0237e-07 au
i 4.160989750998178 3.9409e-06 deg
node 76.3861974458822 6.2407e-05 deg
peri 354.5223678492454 7.2724e-05 deg
M 146.7178747127513 3.6811e-05 deg
tp 2458515.823111132787
(2019-Feb-01.32311113)
0.00017105 TDB
period 1679.983986101012
4.60
1.1999e-05
3.285e-08
d
yr
n .2142877568943412 1.5305e-09 deg/d
Q 2.944520020209749 1.4021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1145  
   data-arc span      10612 days (29.05 yr)  
   first obs. used      1992-01-29  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53127  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:24:39  

Additional Information
 Earth MOID = 1.60081 au 
 Jupiter MOID = 2.23308 au 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.91   n/a E2021B10  
diameter diameter 4.967 km 0.203 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20590 Bongiovanni           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brice Bongiovanni (b. 1988) was awarded second place in the 2004 Intel International Science and Engineering Fair for his behavioral and social sciences team project. He attends the Central High School, Macon, Georgia, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041226/MPCPages.arcLast Updated: 2004-12-25

Alternate Designations
 1999 RN172 = 1992 BN4 = 1995 YO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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