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1355 Magoeba (1935 HE)
Classification: Inner Main-belt Asteroid          SPK-ID: 2001355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04485956901587807 4.5184e-08  
a 1.853396148389692 3.9706e-09 au
q 1.770253595957242 8.4493e-08 au
i 22.82617850163082 4.8216e-06 deg
node 225.2500300561162 9.5058e-06 deg
peri 340.1085213174135 4.6014e-05 deg
M 120.4919390039754 4.7345e-05 deg
tp 2458292.034708998985
(2018-Jun-22.53470900)
0.00012087 TDB
period 921.6177088552081
2.52
2.9616e-06
8.108e-09
d
yr
n .3906174941529452 1.2552e-09 deg/d
Q 1.936538700822142 4.1487e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1989  
   data-arc span      30868 days (84.51 yr)  
   first obs. used      1935-04-27  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41241  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:04:06  

Additional Information
 Earth MOID = .765797 au 
 Jupiter MOID = 3.0498 au 
 T_jup = 3.907 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.05   n/a PDS3 (MPC 17261)  
diameter diameter 4.276 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.9712 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2013) Minor Planet Bull. 40, 208-212.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 60-66.]
geometric albedo albedo 0.582   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.713   0.036 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=19.70 deg.
U-B UB 0.255   0.054 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=19.70 deg.
Tholen spectral type spec_T X   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1355 Magoeba (1935 HE)          Discovered 1935-Apr-30 by Jackson, C. at Johannesburg (UO)
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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