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35619 (1998 HT149)
Classification: Main-belt Asteroid          SPK-ID: 2035619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500725490879224 3.8338e-08  
a 2.775678588076175 1.5815e-08 au
q 2.359125426914818 1.0687e-07 au
i 9.429604275084367 5.0474e-06 deg
node 43.35665518486353 2.6952e-05 deg
peri 265.0687308449186 3.2184e-05 deg
M 137.1323277143847 1.8938e-05 deg
tp 2457957.087436537588
(2017-Jul-22.58743654)
8.8469e-05 TDB
period 1689.087662311819
4.62
1.4436e-05
3.952e-08
d
yr
n .2131328101155363 1.8215e-09 deg/d
Q 3.192231749237532 1.8188e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1652  
   data-arc span      7637 days (20.91 yr)  
   first obs. used      1998-04-25  
   last obs. used      2019-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50503  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:47:56  

Additional Information
 Earth MOID = 1.36718 au 
 Jupiter MOID = 2.11763 au 
 T_jup = 3.299 
[ 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 13.4   n/a MPO385041  
diameter diameter 6.092 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.274   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35619 (1998 HT149)          Discovered 1998-Apr-25 by Elst, E. W. at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HT149 = 1999 VL8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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