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30161 Chrepta (2000 GM57)
Classification: Main-belt Asteroid          SPK-ID: 2030161
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1479333127131428 3.6486e-08  
a 2.356819454519482 7.668e-09 au
q 2.008167345145633 8.5319e-08 au
i 2.014068032805731 3.7012e-06 deg
node 214.2930258449105 0.00011742 deg
peri 339.6865943689612 0.0001181 deg
M 267.6236290922408 1.3734e-05 deg
tp 2459539.614448777101
(2021-Nov-21.11444878)
5.1136e-05 TDB
period 1321.563083287373
3.62
6.4496e-06
1.766e-08
d
yr
n .2724047036063569 1.3294e-09 deg/d
Q 2.705471563893331 8.8023e-09 au
  Orbit Determination Parameters
   # obs. used (total)      909  
   data-arc span      9598 days (26.28 yr)  
   first obs. used      1994-11-01  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55501  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:32:05  

Additional Information
 Earth MOID = 1.00671 au 
 Jupiter MOID = 2.25183 au 
 T_jup = 3.538 
[ 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 15.95   n/a MPCxxxxx  

30161 Chrepta           Discovered 2000 Apr. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Benjamin Joseph Chrepta (b. 1999) is a finalist in the 2014 Broadcom MASTERS, a math and science competition for middle school students, for his mathematics and computer science project. He attends the Friedell Middle School, Rochester, Minnesota.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-01-05Last Updated: 2015-01-07

Alternate Designations
 2000 GM57 = 1997 MZ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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