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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1327981170196089 7.5977e-08  
a 2.293234449279824 7.6512e-09 au
q 1.988697232530964 1.7333e-07 au
i 23.61723440438847 7.897e-06 deg
node 191.1477035117628 8.2153e-06 deg
peri 21.92413464221888 1.553e-05 deg
M 170.8021458622822 1.2256e-05 deg
tp 2458598.686487802620
(2019-Apr-25.18648780)
4.2771e-05 TDB
period 1268.443457178482
3.47
6.3481e-06
1.738e-08
d
yr
n .2838124143119329 1.4204e-09 deg/d
Q 2.597771666028685 8.6673e-09 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      8321 days (22.78 yr)  
   first obs. used      1998-04-01  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46166  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:20  

Additional Information
 Earth MOID = .995641 au 
 Jupiter MOID = 2.37154 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 15.57   n/a E2021B55  
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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