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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6585496237954064 1.238e-07  
a 3.304185155885544 4.4477e-07 au
q 1.128215264526753 4.877e-07 au
i 3.854976488794768 2.2055e-05 deg
node 299.6444687769053 0.00015947 deg
peri 77.95894482073589 0.00024106 deg
M 338.2376521113662 0.00025389 deg
tp 2459333.116706571575
(2021-Apr-28.61670657)
0.0015739 TDB
period 2193.789687127565
6.01
0.00044295
1.213e-06
d
yr
n .1640995953770598 3.3133e-08 deg/d
Q 5.480155047244334 7.3767e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:28:58  

Additional Information
 Earth MOID = .146161 au 
 Jupiter MOID = .472979 au 
 T_jup = 2.771 
[ show covariance matrix ]

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

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