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JPL Small-Body Database Browser
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49022 (1998 QV91)
Classification: Main-belt Asteroid          SPK-ID: 2049022
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082544703402822 3.2625e-08  
a 2.378064345903704 9.0236e-09 au
q 1.882821815112419 7.8577e-08 au
i 2.2682417166375 5.0338e-06 deg
node 174.9840513551028 9.6228e-05 deg
peri 224.5172935596567 9.7074e-05 deg
M 210.1576984352971 1.4144e-05 deg
tp 2459158.026819475505
(2020-Nov-04.52681948)
5.434e-05 TDB
period 1339.472584946342
3.67
7.624e-06
2.087e-08
d
yr
n .2687624995433717 1.5297e-09 deg/d
Q 2.87330687669499 1.0903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1049  
   data-arc span      15553 days (42.58 yr)  
   first obs. used      1976-10-22  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56501  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:54  

Additional Information
 Earth MOID = .890834 au 
 Jupiter MOID = 2.54168 au 
 T_jup = 3.509 
[ 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 15.0   n/a MPO436126  
diameter diameter 2.669 km 0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.272   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49022 (1998 QV91)          Discovered 1998-Aug-28 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QV91 = 1976 UW11 = 1998 TX32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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