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JPL Small-Body Database Browser
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160378 (2004 HN30)
Classification: Main-belt Asteroid          SPK-ID: 2160378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195780786903629 6.1515e-08  
a 2.381077540875743 1.4938e-08 au
q 2.096352863325048 1.5135e-07 au
i 3.790404098790909 6.2522e-06 deg
node 54.31392656479088 6.84e-05 deg
peri 170.4799482676908 7.103e-05 deg
M 26.91218642445962 1.7859e-05 deg
tp 2458500.175912890388
(2019-Jan-16.67591289)
6.644e-05 TDB
period 1342.019217235912
3.67
1.2629e-05
3.458e-08
d
yr
n .2682524924952068 2.5244e-09 deg/d
Q 2.665802218426438 1.6724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      8522 days (23.33 yr)  
   first obs. used      1994-10-12  
   last obs. used      2018-02-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .599  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 06:30:57  

Additional Information
 Earth MOID = 1.08721 au 
 Jupiter MOID = 2.31101 au 
 T_jup = 3.526 
[ 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 17.0   n/a MPO436808  
diameter diameter 2.980 km 0.829 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160378 (2004 HN30)          Discovered 2004-Apr-21 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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