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100575 (1997 HD3)
Classification: Main-belt Asteroid          SPK-ID: 2100575
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07061701737669851 6.7734e-08  
a 2.308659874001634 1.2868e-08 au
q 2.145629199562374 1.545e-07 au
i 1.704598587377816 8.5231e-06 deg
node 29.07141413817371 0.00023842 deg
peri 205.083714055353 0.00024733 deg
M 181.3899555990997 6.7118e-05 deg
tp 2459636.184667576824
(2022-Feb-25.68466758)
0.00023927 TDB
period 1281.263218399956
3.51
1.0712e-05
2.933e-08
d
yr
n .2809727110168422 2.3492e-09 deg/d
Q 2.471690548440894 1.3777e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      8218 days (22.50 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6619  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:54:33  

Additional Information
 Earth MOID = 1.13434 au 
 Jupiter MOID = 2.51032 au 
 T_jup = 3.582 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456931.5 (2014-Oct-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07024016534709629 6.7588e-08  
q 2.146342312379193 1.5406e-07 au
tp 2457074.803507671409
(2015-Feb-21.30350767)
0.00024051 TDB
node 29.1010570095445 0.00023817 deg
peri 205.4107940818829 0.00024723 deg
i 1.706017928050032 8.5263e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      8218 days (22.50 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6619  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:54:33  

Additional Information
 Jupiter MOID = 2.51032 au 
 T_jup = 3.582 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.568113508548668E-15 -1.038198347971361E-14 -7.616260907461258E-12 1.91049978816986E-15 -2.057514203255111E-12 1.828120066367888E-15
q -1.038198347971361E-14 2.373384242805573E-14 1.754328859056376E-11 -3.453370735075777E-15 4.734812932063902E-12 -4.125894785061982E-15
tp -7.616260907461258E-12 1.754328859056376E-11 5.784626706939242E-8 -1.633711758351638E-10 1.599916213605109E-8 1.738471113495684E-12
node 1.91049978816986E-15 -3.453370735075777E-15 -1.633711758351638E-10 5.672360557366035E-8 -5.674203000064578E-8 -7.7236299925834E-10
peri -2.057514203255111E-12 4.734812932063902E-12 1.599916213605109E-8 -5.674203000064578E-8 6.112220983147351E-8 7.725267892496251E-10
i 1.828120066367888E-15 -4.125894785061982E-15 1.738471113495684E-12 -7.7236299925834E-10 7.725267892496251E-10 7.26974527920192E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO436468  

100575 (1997 HD3)          Discovered 1997-Apr-30 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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