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JPL Small-Body Database Browser
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48991 (1998 QY47)
Classification: Main-belt Asteroid          SPK-ID: 2048991
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07060132801953353 3.4722e-08  
a 2.318991339364573 8.7856e-09 au
q 2.155267471139638 8.3122e-08 au
i 6.293005634648383 5.0684e-06 deg
node 178.1708978638615 3.3207e-05 deg
peri 250.1896609145407 4.9997e-05 deg
M 230.2878774582807 3.8342e-05 deg
tp 2459065.256189298949
(2020-Aug-03.75618930)
0.00013802 TDB
period 1289.87348961011
3.53
7.3301e-06
2.007e-08
d
yr
n .2790971385176831 1.5861e-09 deg/d
Q 2.482715207589509 9.4059e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      8244 days (22.57 yr)  
   first obs. used      1997-04-06  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55018  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:35  

Additional Information
 Earth MOID = 1.1777 au 
 Jupiter MOID = 2.69376 au 
 T_jup = 3.568 
[ 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 15.2   n/a MPO344667  
diameter diameter 2.021 km 0.546 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.432   0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48991 (1998 QY47)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QY47 = 1997 GE35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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