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24244 (1999 XY101)
Classification: Jupiter Trojan          SPK-ID: 2024244
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04521635556303278 2.5148e-08  
a 5.187941215721826 1.0177e-07 au
q 4.953361421071635 2.1342e-07 au
i 29.17264388818313 8.6022e-07 deg
node 292.0628698022336 2.8216e-06 deg
peri 164.8729754917025 2.7984e-05 deg
M 294.7463458398136 3.1439e-05 deg
tp 2459982.836031493679
(2023-Feb-07.33603149)
0.00038566 TDB
period 4316.095013565749
11.82
0.000127
3.477e-07
d
yr
n .08340872915644769 2.4543e-09 deg/d
Q 5.422521010372016 1.0637e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1488  
   data-arc span      25278 days (69.21 yr)  
   first obs. used      1951-12-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:38:12  

Additional Information
 Earth MOID = 3.97434 au 
 Jupiter MOID = .255555 au 
 T_jup = 2.745 
[ 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 11.01   n/a MPCxxxxx  
diameter diameter 35.342 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.074   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

24244 (1999 XY101)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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