Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
382168 (2012 HP79)
Classification: Outer Main-belt Asteroid          SPK-ID: 2382168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177402678809502 9.5464e-08  
a 3.224501608341164 7.3058e-08 au
q 2.522397764358404 2.677e-07 au
i 26.41238458872396 2.0261e-05 deg
node 57.1466259663913 2.3277e-05 deg
peri 257.83323696995 9.2368e-05 deg
M 154.7892690054768 7.8673e-05 deg
tp 2458487.150835252071
(2019-Jan-03.65083525)
0.00045048 TDB
period 2114.912108653163
5.79
7.1876e-05
1.968e-07
d
yr
n .1702198396458463 5.785e-09 deg/d
Q 3.926605452323924 8.8965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      4522 days (12.38 yr)  
   first obs. used      2007-08-11  
   last obs. used      2019-12-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:53:07  

Additional Information
 Earth MOID = 1.65311 au 
 Jupiter MOID = 1.73229 au 
 T_jup = 2.990 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457713.5 (2016-Nov-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200756156912659 9.6285e-08  
q 2.514304489272992 2.704e-07 au
tp 2458485.088637189197
(2019-Jan-01.58863719)
0.00044283 TDB
node 57.24037210365158 2.3368e-05 deg
peri 257.5213401393556 9.1098e-05 deg
i 26.38153823882474 2.0281e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      4522 days (12.38 yr)  
   first obs. used      2007-08-11  
   last obs. used      2019-12-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:53:07  

Additional Information
 Jupiter MOID = 1.73229 au 
 T_jup = 2.990 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.270821096120658E-15 -2.577464675018071E-14 1.818200397182136E-11 1.238613504810449E-14 2.880918561166026E-12 -1.139732000390916E-13
q -2.577464675018071E-14 7.311852254497403E-14 -4.707980084169049E-11 7.632261635450351E-16 -7.453951738880795E-12 2.694008781840595E-13
tp 1.818200397182136E-11 -4.707980084169049E-11 1.96097667150249E-7 4.298568468878778E-10 3.895774124566436E-8 -1.366340306185642E-9
node 1.238613504810449E-14 7.632261635450351E-16 4.298568468878778E-10 5.460758776503964E-10 -3.990994488654027E-10 -3.503212841205796E-10
peri 2.880918561166026E-12 -7.453951738880795E-12 3.895774124566436E-8 -3.990994488654027E-10 8.298842308142147E-9 3.50070172170614E-11
i -1.139732000390916E-13 2.694008781840595E-13 -1.366340306185642E-9 -3.503212841205796E-10 3.50070172170614E-11 4.11326437024259E-10

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 MPO503463  

382168 (2012 HP79)          Discovered 2008-Oct-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ 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-Jun-25 11:09 00:06 Jupiter 1.96000521565091 1.95999929667964 1.96001113465348 7.40339702420498 7.34479278898595 2417021.964579669 5.86077865643453 1251.48889660593 277.064599251514 -85.4971632337139 636863.39438409 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 10:53:07 2021-Apr-14 10:53
2084-Sep-08 04:33 00:08 Jupiter 1.97324126215684 1.97323571404363 1.97324683080716 6.71089933950541 6.64662780119776 2482476.689418730 7.79082996005377 11773.806044799 141.371160142277 -88.8250590186262 787320.835147128 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 10:53:07 2021-Apr-14 10:53
2096-Feb-27 19:50 00:10 Jupiter 1.8651027891239 1.86509924554723 1.86510633392826 7.03290573972432 6.9680325825321 2486666.326386538 9.52581265506379 3419.48620733536 123.28671818174 -87.8557922615829 831754.827351227 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 10:53:07 2021-Apr-14 10:53
2107-Aug-06 15:37 00:12 Jupiter 1.86040354829079 1.86039840816346 1.86040868842182 7.34087613249626 7.27859073307289 2490843.150895200 12.1006598718292 1759.07493654966 250.945854738581 -89.2320961981208 530629.258825576 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 10:53:07 2021-Apr-14 10:53
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-18 03:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin