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357491 (2004 LH9)
Classification: Main-belt Asteroid          SPK-ID: 2357491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01901629283435767 5.7105e-08  
a 2.829827845261001 3.21e-08 au
q 2.776015010284698 1.6056e-07 au
i 12.17861659664251 9.7371e-06 deg
node 176.4575818862667 3.0636e-05 deg
peri 90.2909465002877 0.00025955 deg
M 108.8114765571801 0.00025759 deg
tp 2458474.954098824857
(2018-Dec-22.45409882)
0.0012437 TDB
period 1738.755234367482
4.76
2.9585e-05
8.1e-08
d
yr
n .2070446678660666 3.5229e-09 deg/d
Q 2.883640680237303 3.271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      133  
   data-arc span      5943 days (16.27 yr)  
   first obs. used      2004-04-24  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .606  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 22:08:50  

Additional Information
 Earth MOID = 1.7937 au 
 Jupiter MOID = 2.11543 au 
 T_jup = 3.280 
[ 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 16.5   n/a MPO440601  

357491 (2004 LH9)          Discovered 2004-Jun-13 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1952-Oct-31 13:25 00:02 Inter 0.037590939997856 0.0375610420356315 0.0376208395901822 7.68531017448672 7.68531012381401 2434317.058816312 2.0072309979619 1541.11216316911 116.228297591789 -14.7565670777533 12814.7910537656 T 12 CATAB v2.0f-lin.ifort 2020-Aug-25 22:09:08 2020-Aug-25 22:09

Alternate Designations
 2004 LH9 = 2005 QZ100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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