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24937 (1997 HD9)
Classification: Main-belt Asteroid          SPK-ID: 2024937
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1587181709147087 3.0119e-08  
a 2.547737160142841 9.8956e-09 au
q 2.143364978113535 7.9212e-08 au
i 1.752168517785743 2.5298e-06 deg
node 266.4132858278526 0.00022884 deg
peri 13.77311360514416 0.00023001 deg
M 294.2714993078993 2.4248e-05 deg
tp 2459667.694941348912
(2022-Mar-29.19494135)
0.00010032 TDB
period 1485.355330755954
4.07
8.6539e-06
2.369e-08
d
yr
n .2423662490353619 1.4121e-09 deg/d
Q 2.952109342172147 1.1466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      8827 days (24.17 yr)  
   first obs. used      1997-04-08  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54954  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:05:05  

Additional Information
 Earth MOID = 1.12672 au 
 Jupiter MOID = 2.17586 au 
 T_jup = 3.423 
[ 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 15.61   n/a MPCxxxxx  
diameter diameter 1.902 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.308   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24937 (1997 HD9)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 HD9 = 1998 SV160 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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