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72157 (2000 YR99)
Classification: Main-belt Asteroid          SPK-ID: 2072157
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067523254199695 3.6057e-08  
a 2.369450283104233 9.927e-09 au
q 1.879560927105428 8.6471e-08 au
i 1.283435846135597 3.4381e-06 deg
node 287.9171394713497 0.00021861 deg
peri 116.1075312166902 0.0002189 deg
M 221.3497031709826 1.1798e-05 deg
tp 2459713.583596881945
(2022-May-14.08359688)
4.5559e-05 TDB
period 1332.201222080926
3.65
8.372e-06
2.292e-08
d
yr
n .2702294473485564 1.6982e-09 deg/d
Q 2.859339639103039 1.1979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      590  
   data-arc span      9607 days (26.30 yr)  
   first obs. used      1994-03-05  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:33  

Additional Information
 Earth MOID = .88809 au 
 Jupiter MOID = 2.54407 au 
 T_jup = 3.516 
[ 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 16.34   n/a E2021B10  

72157 (2000 YR99)          Discovered 2000-Dec-30 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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