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1256 Normannia (1932 PD)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001256
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07909258685893293 3.4354e-08  
a 3.89690737670525 2.4529e-08 au
q 3.588690891531973 1.3104e-07 au
i 4.17290916381615 3.9593e-06 deg
node 236.9267652411046 5.1588e-05 deg
peri 101.2141088215961 5.6961e-05 deg
M 133.4668438858507 2.4038e-05 deg
tp 2457958.783742550002
(2017-Jul-24.28374255)
0.00018569 TDB
period 2809.820340119367
7.69
2.653e-05
7.264e-08
d
yr
n .1281220706035271 1.2097e-09 deg/d
Q 4.205123861878526 2.6469e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2879  
   data-arc span      32840 days (89.91 yr)  
   first obs. used      1930-05-25  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45092  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:21:43  

Additional Information
 Earth MOID = 2.58315 au 
 Jupiter MOID = 1.15986 au 
 T_jup = 3.056 
[ 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 9.7   n/a MPO502165 IRAS observations used: 11
diameter diameter 68.245 km 0.526 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 488.063 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.052   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
B-V BV 0.737   0.029 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=6.61, mean=8.41, max.=10.18) deg.
U-B UB 0.239   0.022 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=6.61, mean=8.41, max.=10.18) deg.
Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

1256 Normannia (1932 PD)          Discovered 1932-Aug-08 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1920-Dec-13 12:37 00:05 Jupiter 1.43303094609383 1.43303025663138 1.43303163555856 2.06327135965072 1.75355280138272 2422672.025704994 5.20579774005032 175.512278536356 19.6897771252901 -84.6254042673704 3029099.24899253 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
1943-Jan-09 09:37 00:03 Jupiter 1.30768732228823 1.30768667994644 1.30768796463024 2.24644240004493 1.93676336121224 2430733.900546393 3.47779478991609 70.2475547329943 45.0178404955081 80.1642244276301 3126861.44940227 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
1965-Apr-23 02:22 00:02 Jupiter 1.26976761801928 1.26976722670824 1.26976800933024 2.55209760340998 2.27575577201427 2438873.598284961 2.03899618379858 90.5085616057142 15.3904431973346 88.9313464069588 2950693.6133699 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
1987-Jul-09 05:13 00:01 Jupiter 1.36801570766787 1.36801524936478 1.36801616597095 2.6797141515118 2.4377336074892 2446985.717344479 1.0877701133756 55.9213607341665 13.4456180152395 -80.8038385579079 3122278.01940979 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2009-Jul-17 21:37 < 00:01 Jupiter 1.47019138368215 1.47019094351244 1.47019182385185 2.80187304653137 2.58809408621728 2455030.401014416 0.32063477724833 45.5481385516462 12.9739718840987 -78.3017960334244 3501905.23871156 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2031-Jul-14 08:39 < 00:01 Jupiter 1.47065622062324 1.47065581400385 1.47065662724264 2.84345474376747 2.63312314763213 2463061.860490814 0.804952890400551 50.2792745506591 14.6217247936326 -87.7340214276361 3457020.69993483 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2053-Jul-23 21:50 00:02 Jupiter 1.43770204211524 1.43770162874623 1.43770245548416 2.47739411351664 2.22692188818816 2471107.409457062 1.70820513217756 78.7959488959796 14.7017886533791 83.5760895309613 3018395.14277021 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2075-Aug-03 04:59 00:03 Jupiter 1.40179616294992 1.40179571636706 1.4017966095327 1.95934066276156 1.62189214110202 2479152.707985992 2.84704785314248 97.9243792859073 16.7755453433194 79.97405986247 2856580.39922373 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2097-Aug-29 14:56 00:04 Jupiter 1.33566320614437 1.3356626811587 1.33566373113004 2.05400252910126 1.71773364632069 2487215.122042492 3.85537267257908 97.3572331876734 39.7282985976247 -66.1150551549015 3017041.57699361 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2119-Nov-12 20:16 00:05 Jupiter 1.30388251075642 1.30388210659347 1.30388291491929 2.59340077383601 2.32948411157711 2495324.344665637 4.74339910574804 172.226728414533 16.2482676703917 84.7087059712831 2880807.35779703 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2142-Jan-18 07:22 00:06 Jupiter 1.3852116092542 1.38521087297284 1.38521234554855 2.91847078847138 2.70083716400642 2503426.806613453 6.12515142058521 260.421596006611 14.6526614889172 -82.8067404622804 3670840.59405675 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2164-Jan-26 07:53 00:08 Jupiter 1.49236403139834 1.49236356342081 1.49236449937902 2.88937428011761 2.68576651453853 2511469.828674653 7.54001981910536 241.534732805439 14.080088985804 -85.3935854720824 3721878.90736705 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22
2186-Jan-14 20:40 00:08 Jupiter 1.46099031411342 1.46098950382742 1.46099112440166 2.72388941171919 2.50201023364963 2519494.361089763 8.25584017535755 119.384439119763 14.6724254770302 -77.9331248529357 3192885.3713683 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:21:56 2020-May-20 01:22

Alternate Designations
 1932 PD = 1930 KO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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