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JPL Small-Body Database Browser
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146830 (2002 AT8)
Classification: Main-belt Asteroid          SPK-ID: 2146830
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06990661280617705 5.196e-08  
a 2.931268675307734 2.4894e-08 au
q 2.72635361099212 1.5203e-07 au
i 2.390023389019312 8.1829e-06 deg
node 153.6908248938977 0.00017253 deg
peri 282.4467613756702 0.00018562 deg
M 193.5492775628138 6.7714e-05 deg
tp 2459448.049459053049
(2021-Aug-21.54945905)
0.0003465 TDB
period 1833.081892295423
5.02
2.3352e-05
6.393e-08
d
yr
n .1963905712631313 2.5018e-09 deg/d
Q 3.136183739623347 2.6635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      8271 days (22.64 yr)  
   first obs. used      1995-09-26  
   last obs. used      2018-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5552  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 16:18:43  

Additional Information
 Earth MOID = 1.74266 au 
 Jupiter MOID = 2.03917 au 
 T_jup = 3.271 
[ 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 16.2   n/a MPO439881  

146830 (2002 AT8)          Discovered 2002-Jan-07 by Spacewatch at Kitt Peak
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Alternate Designations
 2002 AT8 = 1995 SD47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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