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181795 (1998 HU67)
Classification: Main-belt Asteroid          SPK-ID: 2181795
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881481196800936 4.8956e-08  
a 2.344341033523457 1.2065e-08 au
q 1.903257676177131 1.1085e-07 au
i 2.622583085042232 5.3963e-06 deg
node 338.1991233485095 0.00010981 deg
peri 232.761631243192 0.00011081 deg
M 110.0113416591949 1.5458e-05 deg
tp 2458799.850531377565
(2019-Nov-12.35053138)
5.4945e-05 TDB
period 1311.081262429284
3.59
1.0121e-05
2.771e-08
d
yr
n .2745825223167029 2.1197e-09 deg/d
Q 2.785424390869783 1.4335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      8154 days (22.32 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-08-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:04  

Additional Information
 Earth MOID = .898255 au 
 Jupiter MOID = 2.1863 au 
 T_jup = 3.537 
[ 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 16.94   n/a E2021B55  

181795 (1998 HU67)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1998 HU67 = 2005 EX27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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