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JPL Small-Body Database Browser
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49444 (1998 YO7)
Classification: Main-belt Asteroid          SPK-ID: 2049444
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2547911833006098 5.1178e-08  
a 2.702332562052202 2.1612e-08 au
q 2.013802050895153 1.3486e-07 au
i 11.25956018998664 6.8576e-06 deg
node 87.74559310735205 3.767e-05 deg
peri 329.8231300778032 4.1088e-05 deg
M 223.4619277840228 1.7846e-05 deg
tp 2459215.900556110827
(2021-Jan-01.40055611)
8.4109e-05 TDB
period 1622.58186749156
4.44
1.9465e-05
5.329e-08
d
yr
n .221868620137204 2.6616e-09 deg/d
Q 3.390863073209252 2.7118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      10395 days (28.46 yr)  
   first obs. used      1989-11-06  
   last obs. used      2018-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54581  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:17:45  

Additional Information
 Earth MOID = 1.03471 au 
 Jupiter MOID = 1.97831 au 
 T_jup = 3.292 
[ 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 15.5   n/a MPO439429  

49444 (1998 YO7)          Discovered 1998-Dec-22 by Kagawa, T. at Gekko
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YO7 = 1989 VO4 = 1989 XP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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