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JPL Small-Body Database Browser
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48971 (1998 QC39)
Classification: Main-belt Asteroid          SPK-ID: 2048971
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1910717083779046 3.623e-08  
a 2.42130144547438 9.5744e-09 au
q 1.9586592417897 8.6684e-08 au
i 2.771381840409922 5.1111e-06 deg
node 149.3900784916884 8.0442e-05 deg
peri 143.1331290255088 8.1698e-05 deg
M 206.0282241098058 1.6019e-05 deg
tp 2459189.086554449541
(2020-Dec-05.58655445)
6.2429e-05 TDB
period 1376.168835988136
3.77
8.1626e-06
2.235e-08
d
yr
n .2615958090211422 1.5516e-09 deg/d
Q 2.883943649159059 1.1404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      7511 days (20.56 yr)  
   first obs. used      1998-08-01  
   last obs. used      2019-02-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52114  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:42  

Additional Information
 Earth MOID = .942704 au 
 Jupiter MOID = 2.30615 au 
 T_jup = 3.487 
[ 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 MPO351179  

48971 (1998 QC39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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