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JPL Small-Body Database Browser
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379875 (2012 HP39)
Classification: Main-belt Asteroid          SPK-ID: 2379875
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3912168312593709 5.4908e-08  
a 3.098696396941758 3.9496e-08 au
q 1.886434211495373 1.5739e-07 au
i 14.96205881807471 1.4987e-05 deg
node 5.010650722406382 2.1741e-05 deg
peri 273.3917633793029 3.0443e-05 deg
M 74.07489952090344 1.6432e-05 deg
tp 2458190.545613324480
(2018-Mar-13.04561332)
8.7645e-05 TDB
period 1992.356117358489
5.45
3.8092e-05
1.043e-07
d
yr
n .1806905888277123 3.4546e-09 deg/d
Q 4.310958582388142 5.4947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6833 days (18.71 yr)  
   first obs. used      2001-03-04  
   last obs. used      2019-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62525  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:14:27  

Additional Information
 Earth MOID = .940954 au 
 Jupiter MOID = 1.50374 au 
 T_jup = 3.051 
[ 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 16.3   n/a MPO402526  

379875 (2012 HP39)          Discovered 2007-Jul-19 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2013-11-20

[ 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-28 12:35 00:09 Jupiter 1.79959703287594 1.79958887853245 1.79960518830929 3.82661116543465 3.70156806540701 2416905.024414725 8.61016614476669 2286.97002561672 12.5322270752442 81.0674696150385 765878.700081256 T 11 CATAB v2.0f-lin.ifort 2019-Dec-14 21:14:39 2019-Dec-14 21:14
1966-Mar-26 09:17 00:09 Jupiter 1.49396669087296 1.493963335768 1.49397004598396 2.01069195081544 1.70556673563919 2439210.886669228 8.81019764233219 389.223407645951 68.1714463744986 28.1792937741226 496954.62546406 T 11 CATAB v2.0f-lin.ifort 2019-Dec-14 21:14:39 2019-Dec-14 21:14
2037-May-24 21:04 00:06 Jupiter 1.50939510781501 1.50939187434887 1.50939834127893 2.39902885310795 2.1524418028192 2465203.377466370 6.2027765471363 267.854042268213 149.827813200402 -26.3686525528531 488022.201665362 T 11 CATAB v2.0f-lin.ifort 2019-Dec-14 21:14:39 2019-Dec-14 21:14
2098-Mar-12 17:21 00:06 Jupiter 1.77770510252959 1.77769896066257 1.77771124445603 3.13095058329128 2.97488021082085 2487410.222838559 6.37773367783388 612.622644039069 65.266612738978 65.3260358976649 918094.623843513 T 11 CATAB v2.0f-lin.ifort 2019-Dec-14 21:14:39 2019-Dec-14 21:14
2107-May-03 15:00 00:10 Jupiter 1.71311949604376 1.71311396282276 1.7131250299139 2.57890674808311 2.37947354699557 2490748.125216235 10.2334559060413 1806.79279035701 96.2772321575858 -89.3302465079106 1159566.52466412 T 11 CATAB v2.0f-lin.ifort 2019-Dec-14 21:14:39 2019-Dec-14 21:14
2108-Jun-13 01:57 00:07 Jupiter 1.73180256607449 1.7317943880339 1.73181074411253 3.85012284043083 3.72092036112925 2491154.581270769 7.10436407072675 394.38534487435 174.636493605738 -6.04103784037604 375575.246361057 T 11 CATAB v2.0f-lin.ifort 2019-Dec-14 21:14:39 2019-Dec-14 21:14
2168-Oct-19 17:45 00:07 Jupiter 1.49650471396576 1.49649998701821 1.49650944091935 3.03739604413226 2.84495581617672 2513198.239265080 7.33953963039155 282.589515676106 49.1797156755478 40.3002656131554 845361.284701979 T 11 CATAB v2.0f-lin.ifort 2019-Dec-14 21:14:39 2019-Dec-14 21:14

Alternate Designations
 2012 HP39 = 2007 RT150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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