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
JPL Small-Body Database Browser
Search: [ help ]  
379864 (2012 HK3)
Classification: Main-belt Asteroid          SPK-ID: 2379864
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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3097138973695451 7.6505e-08  
a 2.721131781811796 6.1118e-08 au
q 1.87835945241073 2.2983e-07 au
i 10.84320244911753 8.6708e-06 deg
node 90.67817419897619 4.5158e-05 deg
peri 231.4914747909681 4.7221e-05 deg
M 214.5891474133219 1.6673e-05 deg
tp 2459662.742592313497
(2022-Mar-24.24259231)
9.0244e-05 TDB
period 1639.542915758276
4.49
5.5238e-05
1.512e-07
d
yr
n .2195733924009563 7.3976e-09 deg/d
Q 3.563904111212863 8.0048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6969 days (19.08 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:14:38  

Additional Information
 Earth MOID = .886931 au 
 Jupiter MOID = 1.84189 au 
 T_jup = 3.263 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457125.5 (2015-Apr-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3096586176905273 7.6873e-08  
q 1.880781908877293 2.3063e-07 au
tp 2456376.883004053873
(2013-Mar-25.38300405)
7.6769e-05 TDB
node 91.08113532717455 4.4955e-05 deg
peri 230.5565958324114 4.7048e-05 deg
i 10.86779617962763 8.6847e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6969 days (19.08 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:14:38  

Additional Information
 Jupiter MOID = 1.84189 au 
 T_jup = 3.263 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.909507203527103E-15 -1.749158321318763E-14 1.49405949442403E-12 -4.730690386237348E-14 1.265273000921651E-13 7.466552780770778E-15
q -1.749158321318763E-14 5.318981955257725E-14 -5.895632821166504E-12 1.571075913715175E-13 -5.217609657361107E-13 -1.600576015891118E-14
tp 1.49405949442403E-12 -5.895632821166504E-12 5.893491447267197E-9 -8.35437910628348E-11 1.105422608623519E-9 -1.16430029097266E-12
node -4.730690386237348E-14 1.571075913715175E-13 -8.35437910628348E-11 2.020930748471235E-9 -1.997785140375573E-9 -4.603467457123523E-13
peri 1.265273000921651E-13 -5.217609657361107E-13 1.105422608623519E-9 -1.997785140375573E-9 2.213475378655376E-9 2.890780458964518E-13
i 7.466552780770778E-15 -1.600576015891118E-14 -1.16430029097266E-12 -4.603467457123523E-13 2.890780458964518E-13 7.542459464660397E-11

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 MPO353303  

379864 (2012 HK3)          Discovered 2010-Jan-06 by Spacewatch at Kitt Peak
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
1907-Feb-19 12:44 00:11 Jupiter 1.91757062209813 1.91756527310436 1.91757597108611 2.61156918366392 2.43656739530597 2417626.030506555 10.7876736281043 299.963962909325 126.093329825566 -66.2122920959221 340434.596116594 T 17 CATAB v2.0f-lin.ifort 2020-Feb-26 03:14:41 2020-Feb-26 03:14
1943-Apr-11 17:02 00:07 Jupiter 1.81962418760797 1.81962298284772 1.81962539237061 2.19167686877927 1.96785702836347 2430826.210046519 6.88965744852444 456.655254418186 64.9923549219628 -82.0667122386951 662737.466617766 T 17 CATAB v2.0f-lin.ifort 2020-Feb-26 03:14:41 2020-Feb-26 03:14
1979-May-29 18:29 00:03 Jupiter 1.83550480230966 1.83550371766482 1.83550588698215 1.76783914084074 1.48402285018499 2444023.270441980 3.42844176115463 411.991244135482 227.114942345819 -76.9300065499209 652552.472333766 T 17 CATAB v2.0f-lin.ifort 2020-Feb-26 03:14:41 2020-Feb-26 03:14
2015-Jul-28 16:15 < 00:01 Jupiter 1.95941488740249 1.95941401125953 1.95941576356137 1.26195147877075 0.853202642274318 2457232.177356626 0.387462809592889 1034.36807194926 283.148352216147 38.9677648741069 1427853.70011879 T 17 CATAB v2.0f-lin.ifort 2020-Feb-26 03:14:41 2020-Feb-26 03:14
2073-Feb-03 14:46 00:06 Jupiter 1.97807334887737 1.97806979772843 1.97807690002788 2.74154754015258 2.58063389103033 2478242.115457577 5.56548778157165 280.290868634975 82.9326765021028 -70.6962071017616 531431.983137662 T 17 CATAB v2.0f-lin.ifort 2020-Feb-26 03:14:41 2020-Feb-26 03:14
2109-Apr-02 06:11 00:09 Jupiter 1.85112308527949 1.85112040563581 1.85112576492602 2.20550166434776 1.98723253142519 2491447.757924411 8.72514615593857 393.544109394325 60.4605402183271 -84.9566651169134 484594.809516225 T 17 CATAB v2.0f-lin.ifort 2020-Feb-26 03:14:41 2020-Feb-26 03:14
2145-May-22 23:46 00:12 Jupiter 1.83558073441249 1.83557923810442 1.83558223087697 1.72840154800925 1.4368293850918 2504647.490506527 12.2992096929739 1099.40781053073 274.349930459186 -56.8385484061175 446637.27072071 T 17 CATAB v2.0f-lin.ifort 2020-Feb-26 03:14:41 2020-Feb-26 03:14
2181-Jul-18 10:03 00:17 Jupiter 1.9169217210536 1.91691428641448 1.91692915599477 1.19402294562024 0.736178519658849 2517852.918422533 16.8837271447108 6231.12865583207 964.047460083047 3.40354455580805 156833.966476931 T 17 CATAB v2.0f-lin.ifort 2020-Feb-26 03:14:41 2020-Feb-26 03:14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-14 07:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin