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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 82 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034834828902754 2.9018e-08  
a 2.59310801757259 6.8067e-09 au
q 2.324764168403481 7.6111e-08 au
i 4.932207985273432 3.5601e-06 deg
node 305.7555072455693 3.455e-05 deg
peri 166.4155682675105 3.6951e-05 deg
M 143.4133785183009 1.3855e-05 deg
tp 2456792.901763018882
(2014-May-15.40176302)
5.7919e-05 JED
period 1525.208928017059
4.18
6.0053e-06
1.644e-08
d
yr
n .2360332367500891 9.2935e-10 deg/d
Q 2.861451866741699 7.511e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1771  
   data-arc span      52979 days (145.05 yr)  
   first obs. used      1870-08-15  
   last obs. used      2015-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60597  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-05 13:02:15  

Additional Information
 Earth MOID = 1.34152 au 
 Jupiter MOID = 2.23226 au 
 T_jup = 3.406 
[ 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 LCDB (Rev. 2015-December); Warner et al., 2009 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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