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JPL Small-Body Database Browser
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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 78 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1505023350965463 3.5308e-08  
a 3.187611268792398 1.2584e-08 au
q 2.707868329459077 1.1268e-07 au
i 5.610565847314155 3.962e-06 deg
node 106.1892930480733 4.1666e-05 deg
peri 314.583387850587 4.3698e-05 deg
M 143.6651140410593 1.3645e-05 deg
tp 2458170.944822482630
7.7295e-05 TDB
period 2078.722213806912
n .1731833130992074 1.0255e-09 deg/d
Q 3.667354208125719 1.4478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3193  
   data-arc span      38509 days (105.43 yr)  
   first obs. used      1914-11-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:12:11  

Additional Information
 Earth MOID = 1.72458 au 
 Jupiter MOID = 1.6659 au 
 T_jup = 3.173 
[ 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 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] (  
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,]
[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] (  
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

[ show close-approach data ]
Alternate Designations
 A912 KB = 1938 AG = A914 WC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-May-28 18:36 UT
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