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120176 (2003 KQ30)
Classification: Main-belt Asteroid          SPK-ID: 2120176
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08389090740526976 4.438e-08  
a 3.110572813687784 3.0259e-08 au
q 2.849624037797353 1.3811e-07 au
i 11.5494657615107 8.5543e-06 deg
node 187.529320909624 2.4766e-05 deg
peri 263.6094106868356 5.8613e-05 deg
M 204.4864637525124 5.4612e-05 deg
tp 2460066.114815474272
(2023-May-01.61481547)
0.00030919 TDB
period 2003.82128199321
5.49
2.9239e-05
8.005e-08
d
yr
n .1796567404663486 2.6215e-09 deg/d
Q 3.371521589578215 3.2797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1997-04-16  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65728  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:58:58  

Additional Information
 Earth MOID = 1.89541 au 
 Jupiter MOID = 1.85745 au 
 T_jup = 3.182 
[ 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 15.29   n/a E2021B55  

120176 (2003 KQ30)          Discovered 2003-May-26 by Spacewatch at Kitt Peak
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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