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111 Ate
Classification: Main-belt Asteroid          SPK-ID: 2000111
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 74 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1037009892554087 2.9698e-08  
a 2.593564753874469 7.0829e-09 AU
q 2.324609523199726 7.8232e-08 AU
i 4.932359013856648 3.643e-06 deg
node 305.7598130988019 3.4609e-05 deg
peri 166.5111099408656 3.7001e-05 deg
M 48.88560810341781 1.373e-05 deg
tp 2456793.332039151539
(2014-May-15.83203915)
5.792e-05 JED
period 1525.611909085193
4.18
6.2495e-06
1.711e-08
d
yr
n .2359708900121708 9.6663e-10 deg/d
Q 2.862519984549212 7.8174e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      1671  
   data-arc span      52450 days (143.60 yr)  
   first obs. used      1870-08-15  
   last obs. used      2014-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60679  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 13:09:04  

Additional Information
 Earth MOID = 1.34144 AU 
 T_jup = 3.405 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.02 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
diameter diameter 134.55 km 4.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
rotation period rot_per 22.072 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Harris, A.W.; Young, J.W. (1983) Icarus 54, 59-109.]
[Pilcher, F. (2010) Minor Planet Bul. 37, 119-122.]
[Pilcher, F. (2011) Minor Planet Bul. 38, 183-185.]
geometric albedo albedo 0.0605   0.004 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 3
B-V BV .690 mag .012 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=6; phase (min.=11.71, mean=18.59, max.=24.92) deg.
U-B UB .389 mag .016 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.1 #obs=7; phase (min.=11.71, mean=19.20, max.=24.92) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B Ch   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)

111 Ate          Discovered 1870-Aug-14 by Peters, C. H. F. at Clinton
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1935 AA = A911 KE 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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