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17849 (1998 HL134)
Classification: Main-belt Asteroid          SPK-ID: 2017849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03166515277786926 3.2628e-08  
a 3.133244394473958 1.6703e-08 au
q 3.034029732032538 1.0051e-07 au
i 9.46324047674524 4.2771e-06 deg
node 148.3303975585822 2.2634e-05 deg
peri 332.6878468019754 7.3771e-05 deg
M 65.59860488271221 6.9793e-05 deg
tp 2458631.367795564836
(2019-May-27.86779556)
0.00039266 TDB
period 2025.768594229356
5.55
1.6198e-05
4.435e-08
d
yr
n .1777103273421767 1.421e-09 deg/d
Q 3.232459056915378 1.7232e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1977  
   data-arc span      10732 days (29.38 yr)  
   first obs. used      1990-12-11  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49056  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:41:50  

Additional Information
 Earth MOID = 2.05188 au 
 Jupiter MOID = 1.78129 au 
 T_jup = 3.191 
[ 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 12.8   n/a MPO384907  
diameter diameter 15.906 km 0.376 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17849 (1998 HL134)          Discovered 1998-Apr-19 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HL134 = 1999 LH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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