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118544 (2000 EG121)
Classification: Main-belt Asteroid          SPK-ID: 2118544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1203179372500487 4.0578e-08  
a 2.286888506561193 1.167e-08 au
q 2.011734798730906 9.1489e-08 au
i 5.918780503802131 4.7822e-06 deg
node 40.09573064832622 3.871e-05 deg
peri 200.9402497109861 4.3004e-05 deg
M 231.8987396433046 2.125e-05 deg
tp 2459449.986669702494
(2021-Aug-23.48666970)
7.57e-05 TDB
period 1263.181959664774
3.46
9.6686e-06
2.647e-08
d
yr
n .2849945704540758 2.1814e-09 deg/d
Q 2.56204221439148 1.3074e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      7299 days (19.98 yr)  
   first obs. used      2000-02-03  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58605  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 05:59:06  

Additional Information
 Earth MOID = 1.00071 au 
 Jupiter MOID = 2.44127 au 
 T_jup = 3.585 
[ 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 15.8   n/a MPO280574  

118544 (2000 EG121)          Discovered 2000-Mar-11 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 EG121 = 2001 QA275 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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