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JPL Small-Body Database Browser
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27605 (2001 HN9)
Classification: Main-belt Asteroid          SPK-ID: 2027605
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08336671924991529 3.8136e-08  
a 2.986789021461113 2.0312e-08 au
q 2.737790219650236 1.1273e-07 au
i 11.88954161362825 5.0391e-06 deg
node 68.94054799475384 2.3764e-05 deg
peri 223.4080323274998 4.5908e-05 deg
M 116.8854385017507 4.1875e-05 deg
tp 2457988.342526334294
(2017-Aug-22.84252633)
0.00021801 TDB
period 1885.407569535306
5.16
1.9233e-05
5.266e-08
d
yr
n .1909401478051395 1.9478e-09 deg/d
Q 3.235787823271991 2.2006e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1281  
   data-arc span      8577 days (23.48 yr)  
   first obs. used      1996-06-13  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50991  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:39:37  

Additional Information
 Earth MOID = 1.7343 au 
 Jupiter MOID = 1.89919 au 
 T_jup = 3.220 
[ 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 13.5   n/a MPO412382  
diameter diameter 6.218 km 0.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.240   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27605 (2001 HN9)          Discovered 2001-Apr-16 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HN9 = 1998 XG68 = 2000 EG116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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