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JPL Small-Body Database Browser
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376528 (2012 QH40)
Classification: Jupiter Trojan          SPK-ID: 2376528
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02782296772753738 9.0123e-08  
a 5.118464870919764 3.8366e-07 au
q 4.97605398800163 6.6164e-07 au
i 10.58340137329397 7.6576e-06 deg
node 244.1749267188879 3.708e-05 deg
peri 89.46235992029813 0.00023813 deg
M 245.4548137869024 0.0002502 deg
tp 2460346.305686944322
(2024-Feb-05.80568694)
0.0030556 TDB
period 4229.684924503246
11.58
0.00047556
1.302e-06
d
yr
n .08511272267928564 9.5695e-09 deg/d
Q 5.260875753837899 3.9433e-07 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      5630 days (15.41 yr)  
   first obs. used      2003-12-01  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:01:06  

Additional Information
 Earth MOID = 3.98672 au 
 Jupiter MOID = .0697692 au 
 T_jup = 2.966 
[ 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 13.0   n/a MPO437548  

376528 (2012 QH40)          Discovered 2003-Dec-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

Alternate Designations
 2012 QH40 = 2003 XF24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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