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26437 (1999 YD8)
Classification: Main-belt Asteroid          SPK-ID: 2026437
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781425941891234 2.9032e-08  
a 2.202870066529376 7.2636e-09 au
q 1.810445078216266 6.58e-08 au
i 5.322106339791389 3.0172e-06 deg
node 104.7118411420018 3.4552e-05 deg
peri 180.2673450071705 3.5837e-05 deg
M 273.861721970705 1.1116e-05 deg
tp 2459286.242890836721
(2021-Mar-12.74289084)
3.7697e-05 TDB
period 1194.212875560793
3.27
5.9066e-06
1.617e-08
d
yr
n .3014537921733147 1.491e-09 deg/d
Q 2.595295054842486 8.5576e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1951  
   data-arc span      15380 days (42.11 yr)  
   first obs. used      1978-05-09  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:28:57  

Additional Information
 Earth MOID = .794005 au 
 Jupiter MOID = 2.5538 au 
 T_jup = 3.637 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.7   n/a MPO416973  
diameter diameter 3.013 km 0.556 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.173   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26437 (1999 YD8)          Discovered 1999-Dec-27 by Spacewatch at Kitt Peak
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 YD8 = 1978 JA3 = 1997 EQ33 = 1998 QC54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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