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30799 (1989 LH)
Classification: Main-belt Asteroid          SPK-ID: 2030799
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153359839253448 3.5612e-08  
a 2.399543412406319 7.7032e-09 au
q 1.882835370724225 8.2904e-08 au
i 10.01499637170785 3.2842e-06 deg
node 225.1989923974447 1.8363e-05 deg
peri 13.22246195919463 1.9826e-05 deg
M 240.007896295794 9.3969e-06 deg
tp 2459849.023889118742
(2022-Sep-26.52388912)
3.6717e-05 TDB
period 1357.661004796907
3.72
6.5377e-06
1.79e-08
d
yr
n .2651619209272734 1.2769e-09 deg/d
Q 2.916251454088413 9.362e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1829  
   data-arc span      22057 days (60.39 yr)  
   first obs. used      1960-10-22  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48663  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:50:07  

Additional Information
 Earth MOID = .873078 au 
 Jupiter MOID = 2.09046 au 
 T_jup = 3.475 
[ 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 14.43   n/a MPCxxxxx  
diameter diameter 6.443 km 0.265 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.089   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30799 (1989 LH)          Discovered 1989-Jun-04 by Helin, E. F. at Palomar
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 LH = 1998 XG84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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