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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1202299655117915 3.9077e-08  
a 2.286786924438317 1.004e-08 au
q 2.011846611380283 8.9307e-08 au
i 5.918731675814066 4.5626e-06 deg
node 40.08840490814582 3.7468e-05 deg
peri 200.9800510110678 4.1531e-05 deg
M 288.8544897125943 1.9603e-05 deg
tp 2459450.121492331221
(2021-Aug-23.62149233)		 6.9054e-05 TDB
period 1263.097795998907
3.46		 8.318e-06
2.277e-08		 d
yr
n .2850135604229266 1.8769e-09 deg/d
Q 2.561727237496352 1.1247e-08 au
   Orbit Determination Parameters
   # obs. used (total)      714  
   data-arc span      7711 days (21.11 yr)  
   first obs. used      2000-02-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57094  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:57:45  

Additional Information
 Earth MOID = .999405 au 
 Jupiter MOID = 2.4405 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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