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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1781425962594848 2.9571e-08  
a 2.202870067047397 7.3719e-09 au
q 1.810445074081268 6.6771e-08 au
i 5.322105734447562 3.2e-06 deg
node 104.7118458403224 3.5882e-05 deg
peri 180.2673395977554 3.7211e-05 deg
M 273.8617223013712 1.1249e-05 deg
tp 2459286.242889840608
(2021-Mar-12.74288984)
3.8094e-05 TDB
period 1194.212875982035
3.27
5.9946e-06
1.641e-08
d
yr
n .3014537920669811 1.5132e-09 deg/d
Q 2.595295060013525 8.6851e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1761  
   data-arc span      15247 days (41.74 yr)  
   first obs. used      1978-05-09  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:45:01  

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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