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100841 (1998 HU19)
Classification: Main-belt Asteroid          SPK-ID: 2100841
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327872251633038 7.7474e-08  
a 2.293454226022435 8.1091e-09 au
q 1.988912803309864 1.7716e-07 au
i 23.61595115963067 8.1949e-06 deg
node 191.1484781281425 9.5335e-06 deg
peri 21.98916335595338 1.8333e-05 deg
M 113.9625035293451 1.3522e-05 deg
tp 2458598.900630440012
(2019-Apr-25.40063044)
4.7723e-05 TDB
period 1268.625807297816
3.47
6.7284e-06
1.842e-08
d
yr
n .2837716195974314 1.505e-09 deg/d
Q 2.597995648735007 9.1859e-09 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1998-04-01  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47444  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:04:26  

Additional Information
 Earth MOID = .996648 au 
 Jupiter MOID = 2.37254 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 15.5   n/a MPO474883  
diameter diameter 4.684 km 1.209 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.058   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

100841 (1998 HU19)          Discovered 1998-Apr-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 HU19 = 1999 RV30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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