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JPL Small-Body Database Browser
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80442 (1999 YM4)
Classification: Main-belt Asteroid          SPK-ID: 2080442
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1811841438830574 5.8605e-08  
a 2.284779800413676 1.0138e-08 au
q 1.870813928314422 1.3209e-07 au
i 4.549502429612485 4.4849e-06 deg
node 310.0406430349666 6.5488e-05 deg
peri 29.75335319505175 6.6633e-05 deg
M 295.5717881629473 1.5629e-05 deg
tp 2458826.255598869243
(2019-Dec-08.75559887)
5.5583e-05 TDB
period 1261.435220311172
3.45
8.3961e-06
2.299e-08
d
yr
n .2853892092145603 1.8995e-09 deg/d
Q 2.698745672512931 1.1975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      7702 days (21.09 yr)  
   first obs. used      1997-02-14  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5737  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:40:26  

Additional Information
 Earth MOID = .862507 au 
 Jupiter MOID = 2.68318 au 
 T_jup = 3.577 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.1   n/a MPO436343  

80442 (1999 YM4)          Discovered 1999-Dec-28 by Olathe at Olathe
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1999 YM4 = 2002 NW26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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