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24213 (1999 XA61)
Classification: Main-belt Asteroid          SPK-ID: 2024213
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272342582150745 4.3262e-08  
a 2.794998833041967 1.7919e-08 au
q 2.159879346503677 1.2218e-07 au
i 15.26666381499815 4.4678e-06 deg
node 78.03868843534202 1.8254e-05 deg
peri 295.6482335722015 2.0751e-05 deg
M 215.5932564703602 1.281e-05 deg
tp 2459885.129875803428
(2022-Nov-01.62987580)
6.4035e-05 TDB
period 1706.753779394286
4.67
1.6413e-05
4.494e-08
d
yr
n .2109267337481809 2.0284e-09 deg/d
Q 3.430118319580257 2.199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1304  
   data-arc span      12877 days (35.26 yr)  
   first obs. used      1985-12-17  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50255  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:32:20  

Additional Information
 Earth MOID = 1.21009 au 
 Jupiter MOID = 2.18749 au 
 T_jup = 3.239 
[ 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 13.71   n/a MPCxxxxx  
diameter diameter 4.835 km 0.267 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.330   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24213 (1999 XA61)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20010408/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XA61 = 1985 YB2 = 1989 UG10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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