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49450 (1998 YD14)
Classification: Main-belt Asteroid          SPK-ID: 2049450
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08032028217812757 3.824e-08  
a 2.657393790638877 1.3529e-08 au
q 2.443951171516358 9.9496e-08 au
i 8.318187541605857 3.8492e-06 deg
node 90.06878795232993 3.6287e-05 deg
peri 173.7540251663521 4.969e-05 deg
M 48.2578424434848 3.5197e-05 deg
tp 2458388.396565415892
(2018-Sep-26.89656542)
0.00015454 TDB
period 1582.27621841365
4.33
1.2083e-05
3.308e-08
d
yr
n .2275203253455499 1.7375e-09 deg/d
Q 2.870836409761395 1.4616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1002  
   data-arc span      10045 days (27.50 yr)  
   first obs. used      1992-04-28  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53063  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:41:17  

Additional Information
 Earth MOID = 1.42791 au 
 Jupiter MOID = 2.18832 au 
 T_jup = 3.368 
[ 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 MPO493207  
diameter diameter 6.959 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49450 (1998 YD14)          Discovered 1998-Dec-19 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YD14 = 2000 EH120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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