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 ]  
1452 Hunnia (1938 DZ1)
Classification: Main-belt Asteroid          SPK-ID: 2001452
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2020018702900599 1.9984e-08  
a 3.110050732597462 1.2539e-08 au
q 2.481814667915804 6.2499e-08 au
i 14.20981335645012 6.044e-07 deg
node 21.3412423747086 2.941e-06 deg
peri 94.18020280265333 5.919e-06 deg
M 85.83332189018537 4.5297e-06 deg
tp 2458918.857396268207
(2020-Mar-10.35739627)
2.3348e-05 TDB
period 2003.316818652771
5.48
1.2115e-05
3.317e-08
d
yr
n .1797019805594703 1.0868e-09 deg/d
Q 3.73828679727912 1.5072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2561  
   data-arc span      30437 days (83.33 yr)  
   first obs. used      1938-02-26  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39603  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:23:56  

Additional Information
 Earth MOID = 1.5472 au 
 Jupiter MOID = 1.61113 au 
 T_jup = 3.141 
[ 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 12.28   n/a MPCxxxxx  
diameter diameter 20.910 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 17.2 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Sarneczky, K.; Szabo, G.; Kiss, L.L. (1999) Astron. Astrophys. Suppl. Ser. 137, 363-368.]
geometric albedo albedo 0.046   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1452 Hunnia           Discovered 1938 Feb. 26 by G. Kulin at Budapest.
Named in honor of the Hungarian nation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5182Last Updated: 2006-03-21

[ 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
1901-Sep-01 04:22 00:03 Jupiter 1.82526009916782 1.82525924345203 1.82526095488362 0.862736492570627 n/a 2415628.681767798 3.15210407809075 43.1644089206055 9.72784632289214 8.90149437322996 7606359.82921617 F 44 CATAB v2.0g-lin.ifort 2021-Jul-08 12:24:59 2021-Jul-08 12:25
1963-Sep-29 08:40 00:01 Jupiter 1.8508463895345 1.85084560939138 1.85084716968478 4.68824187069712 4.58958936883185 2438301.860819049 1.01688479759042 189.974971706338 5.63187004458589 -78.9872376745544 14583706.7704665 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 12:24:59 2021-Jul-08 12:25
1973-Dec-03 11:21 < 00:01 Jupiter 1.66765276401334 1.66765253231913 1.66765299571599 2.43393823767659 2.21545240378962 2442019.973037830 0.972231978195129 217.039015962113 17.8342558704323 -81.3664189173522 3971263.49375562 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 12:24:59 2021-Jul-08 12:25
2045-Dec-04 22:45 < 00:01 Jupiter 1.62547455320811 1.62547441626337 1.62547469015405 3.68658518615463 3.54241802197602 2468319.447723843 0.586571988447735 81.6891388909455 4.12068887452959 -86.6782282445582 9391936.42228792 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 12:24:59 2021-Jul-08 12:25
2055-Oct-22 08:46 00:01 Jupiter 1.87261877649844 1.87261831906936 1.87261923394392 0.973722114089225 0.208555022653499 2471927.865545343 1.14113707179711 25997.8084102594 854.344962983951 2.30606194203231 1555063.59700873 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 12:24:59 2021-Jul-08 12:25
2117-Nov-13 15:09 00:02 Jupiter 1.78742342160289 1.7874221610233 1.78742468221742 4.48683177880908 4.37994307193572 2494595.131554480 1.91887998520065 405.787645143508 5.09677500811743 -81.6281190295 15437093.3995572 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 12:24:59 2021-Jul-08 12:25
2128-Jan-24 02:11 00:03 Jupiter 1.66367888439381 1.66367790281696 1.66367986606476 2.5122363959949 2.30066931698533 2498318.590919295 2.56169269667183 666.016387389751 16.7469689397088 -81.0510143406109 5661444.216879 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 12:24:59 2021-Jul-08 12:25
2200-Jan-21 01:16 00:03 Jupiter 1.57441542224144 1.57441509635119 1.57441574815438 3.64636409761274 3.49570988909068 2524613.552550933 3.4744673700596 312.232385117622 5.47180231526231 -89.4525595685959 7969269.49075944 T 44 CATAB v2.0g-lin.ifort 2021-Jul-08 12:24:59 2021-Jul-08 12:25

Alternate Designations
 1938 DZ1 = 1953 YA = 1953 YM 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-03 20:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin