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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1779768765670318 3.0298e-08  
a 2.203337894267915 7.5293e-09 au
q 1.811194697824331 6.8088e-08 au
i 5.321883693326814 3.3833e-06 deg
node 104.711410731785 3.8981e-05 deg
peri 180.1948016801498 4.0384e-05 deg
M 153.3882880595438 1.1255e-05 deg
tp 2458091.509376280624
(2017-Dec-04.00937628)
3.6338e-05 TDB
period 1194.593321674239
3.27
6.1233e-06
1.676e-08
d
yr
n .3013577871802054 1.5447e-09 deg/d
Q 2.5954810907115 8.8693e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1662  
   data-arc span      14886 days (40.76 yr)  
   first obs. used      1978-05-09  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 00:58:03  

Additional Information
 Earth MOID = .79414 au 
 Jupiter MOID = 2.55221 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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