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31114 (1997 QB1)
Classification: Main-belt Asteroid          SPK-ID: 2031114
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1169402905604632 3.6994e-08  
a 2.280097330677407 7.4297e-09 au
q 2.013462086321855 8.2712e-08 au
i 4.592733951794017 4.0369e-06 deg
node 65.0300712656649 5.4783e-05 deg
peri 77.03946094067811 5.8189e-05 deg
M 60.06870677054444 1.9083e-05 deg
tp 2458790.666759597575
(2019-Nov-03.16675960)
6.6514e-05 TDB
period 1257.559395001244
3.44
6.1467e-06
1.683e-08
d
yr
n .2862687849424749 1.3992e-09 deg/d
Q 2.54673257503296 8.2986e-09 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      8808 days (24.11 yr)  
   first obs. used      1996-04-17  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56775  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:55:25  

Additional Information
 Earth MOID = 1.03215 au 
 Jupiter MOID = 2.46826 au 
 T_jup = 3.593 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.86   n/a E2021B10  

31114 (1997 QB1)          Discovered 1997-Aug-28 by Moravec, Z. at Klet
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 QB1 = 1996 HO26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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