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JPL Small-Body Database Browser
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154575 (2003 HD49)
Classification: Main-belt Asteroid          SPK-ID: 2154575
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2159470349274291 4.0184e-08  
a 2.590100345667305 1.5437e-08 au
q 2.030775855855941 9.9896e-08 au
i 6.006492935418246 5.0199e-06 deg
node 90.72899270480846 5.5282e-05 deg
peri 164.7249812601121 5.7537e-05 deg
M 15.3983190576726 1.9114e-05 deg
tp 2458935.375541539961
(2020-Mar-26.87554154)
8.049e-05 TDB
period 1522.556128224412
4.17
1.3612e-05
3.727e-08
d
yr
n .2364444852485196 2.1139e-09 deg/d
Q 3.149424835478668 1.8771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      568  
   data-arc span      9240 days (25.30 yr)  
   first obs. used      1994-01-08  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:33:02  

Additional Information
 Earth MOID = 1.01657 au 
 Jupiter MOID = 1.9129 au 
 T_jup = 3.379 
[ 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 15.9   n/a MPO320647  

154575 (2003 HD49)          Discovered 2003-Apr-30 by Spacewatch at Kitt Peak
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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
1905-Apr-02 23:14 00:03 Jupiter 1.95210558241997 1.95210444321223 1.95210672164645 1.87387873863632 1.62592051704331 2416938.468105610 2.89959440774765 363.134568516709 37.6907143420472 87.5077343899264 1968161.20070827 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:09 2020-Feb-24 09:33
1918-Mar-20 11:05 00:02 Jupiter 1.93253376247254 1.93253273555037 1.93253478939932 1.84648277229341 1.5915105736882 2421672.961958103 2.48305949437808 210.869652475388 46.5184548727605 -88.574060504244 1454245.05585649 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:09 2020-Feb-24 09:33
1988-Sep-22 00:43 < 00:01 Jupiter 1.89808275822898 1.89808241870067 1.89808309775773 1.7415170538558 1.46300321198393 2447426.529860076 0.730476975040974 151.595967175872 53.4981266219577 -82.8857782812358 2055316.81445003 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:09 2020-Feb-24 09:33
2072-Mar-12 03:00 00:01 Jupiter 1.89810324670207 1.89810295402109 1.89810353938327 1.77141138625928 1.49846744463029 2477913.625269025 1.42471925974273 140.036360255969 48.1342170267841 -77.8354056416756 2079646.14749552 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:09 2020-Feb-24 09:33
2142-Sep-15 03:14 00:03 Jupiter 1.93854390589547 1.93854284238646 1.93854496942123 1.88314836458223 1.63473936010746 2503666.635057275 3.247382858263 346.522802017796 37.7224843223328 88.422315884488 1880946.57103512 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:09 2020-Feb-24 09:33
2155-Aug-30 23:38 00:04 Jupiter 1.95431485043191 1.95431373748498 1.95431596338606 1.90309978829551 1.65980897080045 2508399.484895887 3.53389182247199 240.602756209721 36.7939928530871 -83.8109241296549 1581428.88319567 T 19 CATAB v2.0f-lin.ifort 2020-Feb-24 09:33:09 2020-Feb-24 09:33

Alternate Designations
 2003 HD49 = 1994 AW16 = 1999 LN27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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