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24420 (2000 BU22)
Classification: Jupiter Trojan          SPK-ID: 2024420
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05769274781943723 5.1099e-08  
a 5.292809604904191 1.1852e-07 au
q 4.987452875112158 2.9721e-07 au
i 8.47950372019845 5.005e-06 deg
node 113.8639635326976 3.9267e-05 deg
peri 8.592012963404484 7.1273e-05 deg
M 242.3028860223695 6.3464e-05 deg
tp 2460454.589529871902
(2024-May-24.08952987)
0.00081467 TDB
period 4447.621637123369
12.18
0.00014939
4.09e-07
d
yr
n .08094213702783419 2.7188e-09 deg/d
Q 5.598166334696224 1.2536e-07 au
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      10763 days (29.47 yr)  
   first obs. used      1990-05-13  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5597  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:42:20  

Additional Information
 Earth MOID = 4.00355 au 
 Jupiter MOID = .240822 au 
 T_jup = 2.975 
[ 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 11.5   n/a MPO452512  
diameter diameter 21.723 km 1.211 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.113   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

24420 (2000 BU22)          Discovered 2000-Jan-29 by Spacewatch at Kitt Peak
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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