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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1001585537187305 6.2911e-08  
a 2.769055032473834 1.86e-08 au
q 2.491710485253682 1.7694e-07 au
i 3.548885449803074 6.6801e-06 deg
node 13.92912864162113 6.0672e-05 deg
peri 326.1020828507548 6.3857e-05 deg
M 270.8086759847134 2.102e-05 deg
tp 2459617.480664980797
(2022-Feb-06.98066498)
9.9311e-05 TDB
period 1683.045307942271
4.61
1.6958e-05
4.643e-08
d
yr
n .2138979849806563 2.1552e-09 deg/d
Q 3.046399579693986 2.0463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      8454 days (23.15 yr)  
   first obs. used      1997-04-03  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57198  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:55:24  

Additional Information
 Earth MOID = 1.48226 au 
 Jupiter MOID = 2.3048 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 15.89   n/a E2021B55  

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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