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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2021455771786537 3.7817e-08  
a 3.111421593346732 1.4558e-08 au
q 2.48246147951353 1.2083e-07 au
i 14.20709783450507 5.069e-06 deg
node 21.34530092841061 1.6204e-05 deg
peri 94.28703943329228 2.1182e-05 deg
M 14.58958492429518 1.1623e-05 deg
tp 2458919.258645696701
(2020-Mar-10.75864570)
6.4708e-05 TDB
period 2004.641509744713
5.49
1.4069e-05
3.852e-08
d
yr
n .1795832313408721 1.2604e-09 deg/d
Q 3.740381707179934 1.7501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1884  
   data-arc span      29927 days (81.94 yr)  
   first obs. used      1938-02-26  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42638  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:55:13  

Additional Information
 Earth MOID = 1.5474 au 
 Jupiter MOID = 1.60967 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 12.2   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. 2019-August); 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 00:04 Jupiter 1.82526067321374 1.82525947563951 1.82526187078801 0.86273813387216 n/a 2415628.680997217 3.5371142596827 61.7914729436208 37.271958392333 -18.7869100863489 4801589.49684041 F 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:55:21 2020-Feb-22 15:55
1963-Sep-29 08:39 00:01 Jupiter 1.85084622895587 1.85084533056664 1.85084712735415 4.68824209121464 4.58958958488748 2438301.860564080 1.14186572878749 272.077369528726 24.7437326542681 -82.7394365456946 2409451.05192602 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:55:21 2020-Feb-22 15:55
1973-Dec-03 11:21 00:01 Jupiter 1.66765273385093 1.66765201791567 1.66765344978895 2.43394171770934 2.21545622160632 2442019.972994177 1.11930158077504 524.83541766608 35.2432277001373 -85.2180486534515 1568014.5025957 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:55:21 2020-Feb-22 15:55
2045-Dec-04 22:45 < 00:01 Jupiter 1.62547451010367 1.62547391113387 1.62547510907919 3.68658787135922 3.54242081174789 2468319.447855794 0.715797058153654 292.102499024399 18.1482246746199 -86.4143556508806 1991565.9165573 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:55:21 2020-Feb-22 15:55
2055-Oct-22 08:47 00:01 Jupiter 1.87261874777883 1.8726178589288 1.87261963663365 0.973719983766595 0.208545030922397 2471927.866066656 1.42467503095521 32562.0941595005 1834.86406084158 2.8392772597869 1031919.7204569 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:55:21 2020-Feb-22 15:55
2117-Nov-13 15:10 00:02 Jupiter 1.78742425631763 1.78742262601308 1.7874258866812 4.48683491633422 4.37994633595703 2494595.132285857 2.21459975884647 563.149143369654 25.0042109758588 -82.6138471924559 2113252.5497257 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:55:21 2020-Feb-22 15:55
2128-Jan-24 02:13 00:03 Jupiter 1.66367809191047 1.6636768513854 1.66367933250116 2.5122461974514 2.30067991313472 2498318.592238168 2.95357795758001 799.633732095311 56.098568391229 -82.2082011698583 1622667.85276586 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:55:21 2020-Feb-22 15:55
2200-Jan-21 01:18 00:04 Jupiter 1.57441558969029 1.57441484525255 1.5744163341564 3.64637093505823 3.49571703672625 2524613.554186977 3.98920350810591 456.379121753049 20.8196313197346 -87.9829799490118 1491294.82110102 T 34 CATAB v2.0f-lin.ifort 2020-Feb-22 15:55:21 2020-Feb-22 15:55

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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