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120699 (1997 HM14)
Classification: Main-belt Asteroid          SPK-ID: 2120699
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1000297304744768 6.4094e-08  
a 2.769133415300582 1.9025e-08 au
q 2.492137746120198 1.7947e-07 au
i 3.548818478234928 6.7591e-06 deg
node 13.92914196228083 6.399e-05 deg
peri 326.1118913628214 6.7034e-05 deg
M 228.0060601653224 2.0954e-05 deg
tp 2459617.614482666829
(2022-Feb-07.11448267)
9.9426e-05 TDB
period 1683.116770651101
4.61
1.7345e-05
4.749e-08
d
yr
n .2138889031809343 2.2042e-09 deg/d
Q 3.046129084480967 2.0928e-08 au
  Orbit Determination Parameters
   # obs. used (total)      428  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:39:50  

Additional Information
 Earth MOID = 1.48455 au 
 Jupiter MOID = 2.30533 au 
 T_jup = 3.328 
[ 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 15.8   n/a MPO432707  

120699 (1997 HM14)          Discovered 1997-Apr-27 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1997 HM14 = 2002 JC87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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