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455157 (1997 YM3)
Classification: Amor [NEO]          SPK-ID: 2455157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6585496234623214 1.238e-07  
a 3.304185156354167 4.4476e-07 au
q 1.128215265787339 4.8769e-07 au
i 3.854976485584301 2.2055e-05 deg
node 299.6444680475938 0.00015947 deg
peri 77.95894509677134 0.00024106 deg
M 338.2376527639333 0.0002539 deg
tp 2459333.116702623136
(2021-Apr-28.61670262)
0.0015739 TDB
period 2193.789687594274
6.01
0.00044295
1.213e-06
d
yr
n .164099595342149 3.3133e-08 deg/d
Q 5.480155046920996 7.3766e-07 au
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      8264 days (22.63 yr)  
   first obs. used      1997-11-06  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-22 06:44:00  

Additional Information
 Earth MOID = .146161 au 
 Jupiter MOID = .472979 au 
 T_jup = 2.771 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456570.5 (2013-Oct-05.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6654734510361012 1.1361e-07  
q 1.095433343463669 4.0312e-07 au
tp 2457150.349814973210
(2015-May-07.84981497)
0.001159 TDB
node 301.510272970612 0.0001538 deg
peri 75.89792988317345 0.00022496 deg
i 3.93082485243753 2.2407e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      101  
   data-arc span      8264 days (22.63 yr)  
   first obs. used      1997-11-06  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .547  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-22 06:44:00  

Additional Information
 Jupiter MOID = .472979 au 
 T_jup = 2.771 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.290744827516962E-14 -4.417925700218849E-14 -1.268023045567935E-11 -1.029189087675188E-14 -2.783247961632043E-12 4.600093024326533E-14
q -4.417925700218849E-14 1.625057971738771E-13 1.656666892751355E-10 -9.702050809575128E-13 2.672189770125712E-11 -6.020111269112674E-14
tp -1.268023045567935E-11 1.656666892751355E-10 1.343337851728726E-6 -1.117121339706686E-8 1.90306075323158E-7 1.345064303082136E-9
node -1.029189087675188E-14 -9.702050809575128E-13 -1.117121339706686E-8 2.365574825636676E-8 -2.508425607043331E-8 7.622741684662436E-10
peri -2.783247961632043E-12 2.672189770125712E-11 1.90306075323158E-7 -2.508425607043331E-8 5.060620037917215E-8 -5.860276057003908E-10
i 4.600093024326533E-14 -6.020111269112674E-14 1.345064303082136E-9 7.622741684662436E-10 -5.860276057003908E-10 5.020653649547819E-10

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 17.11   n/a E2021B25  

455157 (1997 YM3)          Discovered 1997-Dec-20 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: Last Updated: 2016-02-25

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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