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24312 (1999 YO22)
Classification: Jupiter Trojan          SPK-ID: 2024312
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061150825984346 5.9217e-08  
a 5.246383130480697 1.1298e-07 au
q 4.689662751246704 3.4546e-07 au
i 16.67910657910338 4.9927e-06 deg
node 60.61466585399042 2.0975e-05 deg
peri 290.7225689970468 3.5105e-05 deg
M 21.16812045214229 2.4439e-05 deg
tp 2458942.411752573782
(2020-Apr-02.91175257)
0.00030281 TDB
period 4389.23093259493
12.02
0.00014179
3.882e-07
d
yr
n .0820189243921068 2.6495e-09 deg/d
Q 5.803103509714689 1.2497e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1104  
   data-arc span      10518 days (28.80 yr)  
   first obs. used      1992-04-27  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:39:30  

Additional Information
 Earth MOID = 3.72904 au 
 Jupiter MOID = .0347276 au 
 T_jup = 2.905 
[ 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 11.71   n/a E2021B10  
diameter diameter 25.545 km 0.445 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.068   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

24312 (1999 YO22)          Discovered 1999-Dec-31 by LONEOS at Anderson Mesa
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 YO22 = 1992 HL2 = 1997 XT13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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