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JPL Small-Body Database Browser
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376446 (2012 HD50)
Classification: Main-belt Asteroid          SPK-ID: 2376446
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2113659106811947 8.2664e-08  
a 2.745117803718633 5.5966e-08 au
q 2.164893479208483 2.4853e-07 au
i 26.76023122021084 1.399e-05 deg
node 200.6508350861601 1.6946e-05 deg
peri 63.84557779671924 4.4935e-05 deg
M 249.7616124424083 5.3675e-05 deg
tp 2459509.209980254297
(2021-Oct-21.70998025)
0.00026084 TDB
period 1661.268791652742
4.55
5.0803e-05
1.391e-07
d
yr
n .2167018376609891 6.627e-09 deg/d
Q 3.325342128228784 6.7795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5654 days (15.48 yr)  
   first obs. used      2003-04-25  
   last obs. used      2018-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67384  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 05:05:29  

Additional Information
 Earth MOID = 1.26315 au 
 Jupiter MOID = 1.95496 au 
 T_jup = 3.163 
[ 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 MPO460475  

376446 (2012 HD50)          Discovered 2003-Apr-25 by LONEOS at Anderson Mesa
Reference: Last Updated: 2013-10-21

[ 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-Feb-23 20:32 00:08 Jupiter 1.94268211353399 1.94268089298116 1.94268333426427 7.34833081934834 7.28875519751796 2416900.355776771 7.68274390500846 1831.01850308105 51.007914984804 -89.0999423786361 1519017.86062752 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:05:31 2018-Dec-18 02:20
1964-Feb-06 16:38 00:04 Jupiter 1.99421758491429 1.99421468300205 1.99422048696664 7.49952525110133 7.44267428128833 2438432.193062707 3.60557690992485 897.943960713386 46.1280764267628 -81.3100166207094 1590542.85321005 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:05:31 2018-Dec-18 02:20
2118-Sep-09 03:39 00:07 Jupiter 1.95151107498993 1.95150938847927 1.95151276179966 7.28935043690721 7.22956163437729 2494894.652329891 7.35628110420883 1587.51552521114 53.2720731110284 87.6496256170269 1563819.00668843 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:05:31 2018-Dec-18 02:20
2177-Aug-22 03:30 00:12 Jupiter 1.99270520193686 1.99270029033845 1.99271011496375 7.46620672296329 7.40905659146141 2516426.645713211 11.7077433873708 2731.4580337471 45.3993813536771 -84.9783087019352 1682750.58066732 T 9 CATAB v2.0e-lin.ifort 2018-Oct-31 05:05:31 2018-Dec-18 02:20

Alternate Designations
 2012 HD50 = 2004 TD150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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