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JPL Small-Body Database Browser
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49453 (1998 YD19)
Classification: Main-belt Asteroid          SPK-ID: 2049453
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04718099676880399 4.1619e-08  
a 2.712087482713732 1.9327e-08 au
q 2.584128491955102 1.12e-07 au
i 11.0097299220651 4.8707e-06 deg
node 87.71923242497074 2.5762e-05 deg
peri 6.791969241983268 6.3653e-05 deg
M 179.5801740640425 5.9908e-05 deg
tp 2457786.714671711099
(2017-Feb-02.21467171)
0.00026866 TDB
period 1631.375622119215
4.47
1.7438e-05
4.774e-08
d
yr
n .2206726612307392 2.3588e-09 deg/d
Q 2.840046473472362 2.0239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      8129 days (22.26 yr)  
   first obs. used      1996-04-09  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59081  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:50:37  

Additional Information
 Earth MOID = 1.60109 au 
 Jupiter MOID = 2.30691 au 
 T_jup = 3.334 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO439429  

49453 (1998 YD19)          Discovered 1998-Dec-25 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YD19 = 2000 HU77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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