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12090 (1998 HX36)
Classification: Main-belt Asteroid          SPK-ID: 2012090
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230791293984048 3.0296e-08  
a 2.787609158235249 1.2866e-08 au
q 2.16575173411311 8.4663e-08 au
i 7.066379027649488 4.7529e-06 deg
node 204.1281421121775 2.6148e-05 deg
peri 110.7995609596595 2.8219e-05 deg
M 268.4016279796745 1.2058e-05 deg
tp 2459829.045208094539
(2022-Sep-06.54520809)
5.8516e-05 TDB
period 1699.989546533435
4.65
1.177e-05
3.222e-08
d
yr
n .2117660080522852 1.4661e-09 deg/d
Q 3.409466582357389 1.5737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1496  
   data-arc span      16300 days (44.63 yr)  
   first obs. used      1976-10-22  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49782  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:41:53  

Additional Information
 Earth MOID = 1.16407 au 
 Jupiter MOID = 1.96862 au 
 T_jup = 3.283 
[ 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 14.25   n/a MPO636249  
diameter diameter 9.208 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12090 (1998 HX36)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 HX36 = 1976 UN9 = 1988 CC5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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