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JPL Small-Body Database Browser
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49012 (1998 QR72)
Classification: Main-belt Asteroid          SPK-ID: 2049012
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127713722308846 3.5411e-08  
a 2.351205476213286 8.0985e-09 au
q 2.086056808263943 8.5787e-08 au
i 6.073296731208717 4.7218e-06 deg
node 241.4061189039031 3.554e-05 deg
peri 45.39358295574007 4.1754e-05 deg
M 306.9523309082393 2.1118e-05 deg
tp 2458794.543057358953
(2019-Nov-07.04305736)
7.7293e-05 TDB
period 1316.843922555555
3.61
6.8036e-06
1.863e-08
d
yr
n .2733809176879216 1.4124e-09 deg/d
Q 2.616354144162629 9.0118e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1433  
   data-arc span      7673 days (21.01 yr)  
   first obs. used      1998-08-19  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54087  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:15:58  

Additional Information
 Earth MOID = 1.07432 au 
 Jupiter MOID = 2.50629 au 
 T_jup = 3.541 
[ 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 14.6   n/a MPO436126  

49012 (1998 QR72)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QR72 = 2000 AR110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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