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85837 (1998 YM2)
Classification: Main-belt Asteroid          SPK-ID: 2085837
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08373640690633645 3.0276e-08  
a 2.228715751867384 8.4802e-09 au
q 2.042091102790455 6.9316e-08 au
i 5.395188853343453 5.0178e-06 deg
node 313.0734830934163 4.0624e-05 deg
peri 108.5371321159392 5.3831e-05 deg
M 212.4646163953155 3.6989e-05 deg
tp 2459498.551371228514
(2021-Oct-11.05137123)
0.00012614 TDB
period 1215.291472876017
3.33
6.9362e-06
1.899e-08
d
yr
n .2962252332340087 1.6907e-09 deg/d
Q 2.415340400944313 9.1903e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1273  
   data-arc span      7851 days (21.49 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53487  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:17:57  

Additional Information
 Earth MOID = 1.06268 au 
 Jupiter MOID = 2.79312 au 
 T_jup = 3.633 
[ 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 15.3   n/a MPO381823  

85837 (1998 YM2)          Discovered 1998-Dec-17 by ODAS at Caussols
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 YM2 = 2001 SM111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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