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1203 Nanna (1931 TA)
Classification: Main-belt Asteroid          SPK-ID: 2001203
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2496786209524176 7.7541e-09  
a 2.885266276437183 9.9867e-09 au
q 2.164876971455831 2.0754e-08 au
i 5.993340097242724 3.0293e-07 deg
node 224.5217815433336 3.7042e-06 deg
peri 177.2239901488371 6.9606e-06 deg
M 57.47103562808574 4.1473e-06 deg
tp 2458914.725286003342
(2020-Mar-06.22528600)
1.9948e-05 TDB
period 1790.09993320045
4.90
9.294e-06
2.545e-08
d
yr
n .2011060909635196 1.0441e-09 deg/d
Q 3.605655581418536 1.248e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3061  
   data-arc span      34493 days (94.44 yr)  
   first obs. used      1926-10-07  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:08:26  

Additional Information
 Earth MOID = 1.17251 au 
 Jupiter MOID = 1.81348 au 
 T_jup = 3.238 
[ 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 11.73   n/a E2021B10  
diameter diameter 35.18 km 3.9 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2
rotation period rot_per 18.54 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:
[Warner, B.D. (2011) Minor Planet Bull. 38, 96-101.]
geometric albedo albedo 0.0473   0.012 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 2

1203 Nanna (1931 TA)          Discovered 1931-Oct-05 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1900-Aug-29 12:35 00:02 Jupiter 1.91624224292517 1.91624147830004 1.91624300755062 2.17815631326839 1.96476960139076 2415261.024529747 1.80746490149008 60.1195413319247 3.18418274159903 -74.8928138335831 9554866.45626861 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 12:09:47 2021-Apr-12 12:09
1959-Jan-12 05:45 < 00:01 Jupiter 1.81131431554027 1.81131425780364 1.81131437327721 1.89209266778771 1.62627098479485 2436580.739385186 0.859330492760725 74.1184891930739 3.02719511386521 85.9811348699471 24435354.390683 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 12:09:47 2021-Apr-12 12:09
2017-May-26 10:42 < 00:01 Jupiter 1.93891607118969 1.93891586748811 1.93891627489126 1.89075468452467 1.64354678372445 2457899.946097675 0.117711029322294 6.37007612476388 3.02145524509011 89.9807868817658 11687160.8046663 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 12:09:47 2021-Apr-12 12:09
2042-Aug-09 01:54 < 00:01 Jupiter 1.83517219697621 1.83517209214775 1.83517230180478 1.97445692755398 1.7249294143243 2467105.578865316 0.447302505603897 30.2036859273165 2.91425197565589 -88.3601271798326 16439301.9940629 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 12:09:47 2021-Apr-12 12:09
2100-Dec-26 01:48 00:01 Jupiter 1.84168768666821 1.84168726660313 1.84168810673465 1.8777515377343 1.61434751062019 2488428.574914101 1.33581809336407 93.0985011943878 3.16223066931187 79.5015574900015 16300045.2506754 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 12:09:47 2021-Apr-12 12:09
2126-Mar-10 17:13 00:02 Jupiter 1.91174347189703 1.91174279148813 1.91174415230603 2.10294818204816 1.88049603997915 2497634.217371105 1.78615865997314 43.8537184135039 3.34212339677347 -71.0517891473242 9098140.3406453 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 12:09:47 2021-Apr-12 12:09
2184-Jul-22 12:43 00:03 Jupiter 1.80601830012993 1.80601816172415 1.80601843854311 1.90315859705824 1.63829567687933 2518953.029596191 2.611443844862 208.329295692985 3.20341251308804 87.7923696377046 22887233.6105241 T 43 CATAB v2.0f-lin.ifort 2021-Apr-12 12:09:47 2021-Apr-12 12:09

Alternate Designations
 1931 TA = 1926 RH = 1978 AD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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