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JPL Small-Body Database Browser
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739 Mandeville (A913 CH)
Classification: Main-belt Asteroid          SPK-ID: 2000739
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 51 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1437290379305534 3.4003e-08  
a 2.737100181166034 9.1932e-09 au
q 2.343699405407496 9.38e-08 au
i 20.66121548489238 4.3598e-06 deg
node 136.5538114513178 1.0166e-05 deg
peri 45.19269783941208 1.7347e-05 deg
M 221.7563545911187 1.4896e-05 deg
tp 2459635.651230207382
(2022-Feb-25.15123021)
6.962e-05 TDB
period 1653.996045882395
4.53
8.333e-06
2.281e-08
d
yr
n .2176546920388449 1.0966e-09 deg/d
Q 3.130500956924571 1.0515e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2740  
   data-arc span      37138 days (101.68 yr)  
   first obs. used      1918-05-29  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 15:35:41  

Additional Information
 Earth MOID = 1.38849 au 
 Jupiter MOID = 1.95904 au 
 T_jup = 3.244 
[ 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 8.7   n/a MPO502160 IRAS observations used: 12
diameter diameter 104.517 km 1.619 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.931 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:
[Harris, A.W.; Young, J.W. (1989) Icarus 81, 314-364.]
geometric albedo albedo 0.051   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.720   0.037 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=7.59, mean=12.34, max.=18.56) deg.
U-B UB 0.312   0.019 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=6; phase (min.=7.59, mean=12.34, max.=18.56) deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

739 Mandeville (A913 CH)          Discovered 1913-Feb-07 by Metcalf, J. H. at Winchester
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A913 CH = 1963 HE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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