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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 ]

[ 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 .2155175509294376 3.5635e-08  
a 2.399178305215184 7.6973e-09 au
q 1.882113272632169 8.2952e-08 au
i 10.01632340290433 3.2905e-06 deg
node 225.2045440982892 1.8362e-05 deg
peri 13.23004688565393 1.9823e-05 deg
M 188.0223447365379 9.2531e-06 deg
tp 2459848.927967197521
(2022-Sep-26.42796720)
3.6695e-05 TDB
period 1357.351150261334
3.72
6.5322e-06
1.788e-08
d
yr
n .2652224517809473 1.2764e-09 deg/d
Q 2.916243337798199 9.3562e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1825  
   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      .48667  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:40:14  

Additional Information
 Earth MOID = .870629 au 
 Jupiter MOID = 2.0917 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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