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24618 (1978 XD1)
Classification: Main-belt Asteroid          SPK-ID: 2024618
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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1085219819108884 3.5688e-08  
a 2.975288992620956 1.4286e-08 au
q 2.65240473438408 1.0466e-07 au
i 3.089898819177451 3.3914e-06 deg
node 123.3346610429981 6.7339e-05 deg
peri 281.3186582501506 6.9461e-05 deg
M 80.55783640848109 1.5904e-05 deg
tp 2458781.033335156630
(2019-Oct-24.53333516)
8.2666e-05 TDB
period 1874.528985335497
5.13
1.3501e-05
3.696e-08
d
yr
n .1920482440209205 1.3832e-09 deg/d
Q 3.298173250857833 1.5836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1604  
   data-arc span      15449 days (42.30 yr)  
   first obs. used      1978-12-03  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:35:52  

Additional Information
 Earth MOID = 1.66281 au 
 Jupiter MOID = 2.06928 au 
 T_jup = 3.250 
[ 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 14.36   n/a MPCxxxxx  
diameter diameter 3.512 km 1.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.249   0.169 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24618 (1978 XD1)          Discovered 1978-Dec-06 by Bowell, E., Warnock, A. at Palomar
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 XD1 = 1998 RT52 = 1999 XY85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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