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249359 (2008 YK38)
Classification: Main-belt Asteroid          SPK-ID: 2249359
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1272917566520147 4.6431e-08  
a 2.750799306685658 3.101e-08 au
q 2.400645230740496 1.258e-07 au
i 8.728702706303366 4.9105e-06 deg
node 108.0629381060511 4.3274e-05 deg
peri 336.7040246792599 5.3921e-05 deg
M 197.7196210244953 3.8146e-05 deg
tp 2459751.690866202967
(2022-Jun-21.19086620)
0.00018619 TDB
period 1666.428890173394
4.56
2.8178e-05
7.715e-08
d
yr
n .2160308202305239 3.6529e-09 deg/d
Q 3.100953382630819 3.4957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      8937 days (24.47 yr)  
   first obs. used      1994-12-10  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:18  

Additional Information
 Earth MOID = 1.41971 au 
 Jupiter MOID = 2.09969 au 
 T_jup = 3.317 
[ 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 16.2   n/a MPO433634  
diameter diameter 3.010 km 0.438 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249359 (2008 YK38)          Discovered 2008-Dec-29 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1963-Oct-11 12:38 00:02 Amphi 0.0264324907920579 0.026418755461152 0.0264462269368375 4.1981784000427 4.19817834823742 2438314.026308916 2.12884804970562 722.745744050571 42.1058300854636 -18.7239106246291 30572.0629584402 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 10:22:21 2020-Feb-25 10:22
2082-Mar-06 17:53 00:03 Amphi 0.0152943353876998 0.0152725521555657 0.0153161202679838 4.23856722657522 4.23856713789569 2481560.245079888 3.44340643304003 1114.30595694721 41.7649502935676 12.9978683262424 12474.6955890243 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 10:22:21 2020-Feb-25 10:22
2200-Aug-01 13:59 00:10 Amphi 0.045566363691243 0.0455070230676632 0.045625704433088 4.27645514996071 4.27645512045916 2524806.082553134 9.55040531271532 2960.09526590188 41.4470466484352 -2.25605845899611 6865.58555292101 T 15 CATAB v2.0f-lin.ifort 2020-Feb-25 10:22:21 2020-Feb-25 10:22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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