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120160 (2003 HG30)
Classification: Main-belt Asteroid          SPK-ID: 2120160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1323715202157448 3.9949e-08  
a 2.644064150129519 1.528e-08 au
q 2.294065359028924 1.0398e-07 au
i 12.83467348432702 6.1827e-06 deg
node 227.6373803949756 1.8439e-05 deg
peri 287.3995994065771 3.3315e-05 deg
M 44.33550145840997 2.4209e-05 deg
tp 2458807.100417290259
(2019-Nov-19.60041729)
0.00010592 TDB
period 1570.385977044136
4.30
1.3613e-05
3.727e-08
d
yr
n .2292430047532717 1.9872e-09 deg/d
Q 2.994062941230115 1.7303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      7651 days (20.95 yr)  
   first obs. used      1999-06-14  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:05  

Additional Information
 Earth MOID = 1.33962 au 
 Jupiter MOID = 2.12735 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457378.5 (2015-Dec-22.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334876017650934 3.994e-08  
q 2.291445290398645 1.0417e-07 au
tp 2457236.568245034809
(2015-Aug-02.06824503)
0.00010828 TDB
node 227.652620172935 1.8442e-05 deg
peri 287.4281569389844 3.3109e-05 deg
i 12.83365989699681 6.1825e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      7651 days (20.95 yr)  
   first obs. used      1999-06-14  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:59:05  

Additional Information
 Jupiter MOID = 2.12735 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.595211328600965E-15 -4.128088723537686E-15 1.220732762588362E-12 -9.756521681905982E-15 3.112151439923028E-13 -3.612986699416296E-16
q -4.128088723537686E-15 1.085162174481585E-14 -3.680068438558011E-12 2.7823639155566E-14 -9.325203203032004E-13 9.78011210517041E-16
tp 1.220732762588362E-12 -3.680068438558011E-12 1.17236110166977E-8 -7.06230286811532E-11 2.989619565993011E-9 1.08324291244283E-11
node -9.756521681905982E-15 2.7823639155566E-14 -7.06230286811532E-11 3.401197560221714E-10 -3.485433074249811E-10 -1.645171403530625E-11
peri 3.112151439923028E-13 -9.325203203032004E-13 2.989619565993011E-9 -3.485433074249811E-10 1.096233976483438E-9 1.871889557995577E-11
i -3.612986699416296E-16 9.78011210517041E-16 1.08324291244283E-11 -1.645171403530625E-11 1.871889557995577E-11 3.822364984206773E-11

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 15.2   n/a MPO469245  

120160 (2003 HG30)          Discovered 2003-Apr-28 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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