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30499 (2000 QE169)
Classification: Jupiter Trojan          SPK-ID: 2030499
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05636266609206182 4.5995e-08  
a 5.173507689901546 9.282e-08 au
q 4.881915003450911 2.6267e-07 au
i 3.913132268058228 4.4694e-06 deg
node 267.0273483728719 6.9194e-05 deg
peri 107.5025280559182 8.5301e-05 deg
M 238.4059834621215 5.444e-05 deg
tp 2460652.229757305875
(2024-Dec-07.72975731)
0.00067651 TDB
period 4298.095642455479
11.77
0.00011567
3.167e-07
d
yr
n .08375802447111995 2.2541e-09 deg/d
Q 5.465100376352181 9.8051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      10046 days (27.50 yr)  
   first obs. used      1992-12-24  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55953  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:36:25  

Additional Information
 Earth MOID = 3.88398 au 
 Jupiter MOID = .0229246 au 
 T_jup = 2.992 
[ 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 12.11   n/a E2021B10  
diameter diameter 21.180 km 0.582 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.075   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

30499 (2000 QE169)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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