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758 Mancunia (A912 KB)
Classification: Main-belt Asteroid          SPK-ID: 2000758
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 80 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505023377944588 3.4995e-08  
a 3.187611267331035 1.2374e-08 au
q 2.707868319617757 1.114e-07 au
i 5.610566383892723 3.7138e-06 deg
node 106.1892947447521 4.1416e-05 deg
peri 314.5833887605488 4.3256e-05 deg
M 143.6651123201927 1.3343e-05 deg
tp 2458170.944832989772
(2018-Feb-21.44483299)
7.5321e-05 TDB
period 2078.722212377425
5.69
1.2104e-05
3.314e-08
d
yr
n .1731833132183014 1.0084e-09 deg/d
Q 3.667354215044313 1.4236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3395  
   data-arc span      38607 days (105.70 yr)  
   first obs. used      1914-11-21  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:21:32  

Additional Information
 Earth MOID = 1.72458 au 
 Jupiter MOID = 1.6659 au 
 T_jup = 3.173 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456147.5 (2012-Aug-08.0) TDB
Reference: JPL 80 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1526297588905616 3.4877e-08  
q 2.704452783998015 1.1177e-07 au
tp 2456095.952233563710
(2012-Jun-17.45223356)
7.1534e-05 TDB
node 106.2029730763415 4.1439e-05 deg
peri 315.4674625109485 4.3239e-05 deg
i 5.608452126885244 3.7123e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3395  
   data-arc span      38607 days (105.70 yr)  
   first obs. used      1914-11-21  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:21:32  

Additional Information
 Jupiter MOID = 1.6659 au 
 T_jup = 3.173 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.216382995895473E-15 -3.880861292036948E-15 -1.350896819066749E-13 2.566977253798316E-16 -4.493700119872907E-14 1.013079822629818E-16
q -3.880861292036948E-15 1.249319795992532E-14 5.609788210982453E-13 -1.922831820459701E-15 1.660280319925889E-13 -4.319283162016976E-16
tp -1.350896819066749E-13 5.609788210982453E-13 5.117148570827232E-9 4.371240901436489E-14 9.088967457548717E-10 -4.723241299827664E-13
node 2.566977253798316E-16 -1.922831820459701E-15 4.371240901436489E-14 1.717182043784822E-9 -1.708469500856059E-9 -8.282347679035811E-12
peri -4.493700119872907E-14 1.660280319925889E-13 9.088967457548717E-10 -1.708469500856059E-9 1.869568193120485E-9 8.127550316750968E-12
i 1.013079822629818E-16 -4.319283162016976E-16 -4.723241299827664E-13 -8.282347679035811E-12 8.127550316750968E-12 1.378098446195581E-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 8.4   n/a MPO473772 IRAS observations used: 13
diameter diameter 88.985 km 0.635 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.7253 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D.; Behrend, R.; Poncy, R.; Coliac, J.F. (2008) Minor Planet Bull. 35, 25.]
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Garceran, A.C.; Aznar, A.; Mansego, E.A.; Rodriguez, P.B.; et al. (2016) Minor Planet Bull. 43, 92-97.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.121   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.745   0.039 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.23 deg.
U-B UB 0.418   0.079 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.23 deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

758 Mancunia (A912 KB)          Discovered 1912-May-18 by Wood, H. E. at Johannesburg (UO)
and K. Van der Spuy.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A912 KB = 1938 AG = A914 WC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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