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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021455801498584 3.7707e-08  
a 3.111421592905859 1.4328e-08 au
q 2.482461469917107 1.204e-07 au
i 14.20709835036695 4.8488e-06 deg
node 21.34530137790292 1.6179e-05 deg
peri 94.28703969170969 2.1042e-05 deg
M 14.58958453511523 1.1248e-05 deg
tp 2458919.258647881096
(2020-Mar-10.75864788)		 6.2644e-05 TDB
period 2004.641509318641
5.49		 1.3847e-05
3.791e-08		 d
yr
n .1795832313790413 1.2404e-09 deg/d
Q 3.74038171589461 1.7224e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2087  
   data-arc span      30214 days (82.72 yr)  
   first obs. used      1938-02-26  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:38:56  

Additional Information
 Earth MOID = 1.5474 au 
 Jupiter MOID = 1.60967 au 
 T_jup = 3.141 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456823.5 (2014-Jun-15.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029648768202177 3.7915e-08  
q 2.479516741174842 1.2141e-07 au
tp 2456918.663545613592
(2014-Sep-18.16354561)		 6.3867e-05 TDB
node 21.40878816874734 1.6191e-05 deg
peri 94.7954482343589 2.097e-05 deg
i 14.20375873872411 4.8475e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2087  
   data-arc span      30214 days (82.72 yr)  
   first obs. used      1938-02-26  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4123  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 19:38:56  

Additional Information
 Jupiter MOID = 1.60967 au 
 T_jup = 3.141 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.43756947875278E-15 -4.583872509495822E-15 5.466888549082515E-13 2.17176587056751E-15 1.527544615352696E-13 -5.40387110228303E-15
q -4.583872509495822E-15 1.474159516246255E-14 -1.906556507603005E-12 -5.564893553626404E-15 -5.219154228673484E-13 1.774387277439969E-14
tp 5.466888549082515E-13 -1.906556507603005E-12 4.078998523305176E-9 -5.630798098956259E-12 8.6463104939743E-10 -9.952311010000531E-13
node 2.17176587056751E-15 -5.564893553626404E-15 -5.630798098956259E-12 2.621564436004315E-10 -2.548165219183508E-10 -5.530292166499422E-12
peri 1.527544615352696E-13 -5.219154228673484E-13 8.6463104939743E-10 -2.548165219183508E-10 4.397493894428743E-10 5.006024483620164E-12
i -5.40387110228303E-15 1.774387277439969E-14 -9.952311010000531E-13 -5.530292166499422E-12 5.006024483620164E-12 2.349824766743665E-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 12.2   n/a MPO502167  
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 04:21 00:03 Jupiter 1.82526068247342 1.82525951617679 1.82526184877008 0.862738120667253 n/a 2415628.681007063 3.48224171686205 59.9063848750408 36.1081213699603 -17.488944547813 4904102.48621842 F 37 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:03 2020-Dec-17 19:39
1963-Sep-29 08:39 00:01 Jupiter 1.85084623072285 1.85084535716638 1.85084710428794 4.688242228451 4.5895897251689 2438301.860575714 1.12547949124782 263.133126017619 23.802426379524 -82.6587568768216 2505807.04410221 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:03 2020-Dec-17 19:39
1973-Dec-03 11:21 00:01 Jupiter 1.6676527427369 1.66765204567078 1.66765343980681 2.43394192495378 2.21545645051053 2442019.973011672 1.10244293974309 519.248495927995 34.3891051862597 -85.1461038094803 1597503.65731581 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:03 2020-Dec-17 19:39
2045-Dec-04 22:45 < 00:01 Jupiter 1.62547450806335 1.62547391570376 1.62547510042912 3.68658800205391 3.54242094757686 2468319.447857914 0.703520175809982 288.054524265446 17.5153220895936 -86.2947701831481 2043657.31501295 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:03 2020-Dec-17 19:39
2055-Oct-22 08:47 00:01 Jupiter 1.87261877358492 1.87261790812746 1.87261963904674 0.973719834932862 0.208544365889601 2471927.866077262 1.40439932137565 32356.0589876847 1824.88351348065 2.80805317801885 1033717.64130161 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:03 2020-Dec-17 19:39
2117-Nov-13 15:10 00:02 Jupiter 1.78742423415024 1.78742261483533 1.78742585352316 4.48683487386901 4.3799462911137 2494595.132260472 2.17945764146494 556.300030914084 24.054933901198 -82.5469311168377 2198198.77676668 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:03 2020-Dec-17 19:39
2128-Jan-24 02:13 00:03 Jupiter 1.66367811679403 1.66367690495385 1.66367932869947 2.5122462469072 2.30067997044827 2498318.592224245 2.90630544523144 784.139575367768 54.9820000570293 -82.1681122656943 1637466.40725751 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:03 2020-Dec-17 19:39
2200-Jan-21 01:18 00:04 Jupiter 1.57441558548606 1.57441484663013 1.57441632437098 3.64637100239755 3.4957171065567 2524613.554163090 3.92610052454581 452.704844501457 20.2988172827676 -87.9177602582869 1543417.2705812 T 37 CATAB v2.0f-lin.ifort 2020-Dec-17 19:39:03 2020-Dec-17 19:39

Alternate Designations
 1938 DZ1 = 1953 YA = 1953 YM 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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