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JPL Small-Body Database Browser
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74101 (1998 QS30)
Classification: Main-belt Asteroid          SPK-ID: 2074101
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1581156810324746 6.3455e-08  
a 2.719424339366217 1.6906e-08 au
q 2.28944070793104 1.7579e-07 au
i 13.4513488271565 6.9179e-06 deg
node 169.4831311387696 1.8548e-05 deg
peri 188.4684150663384 2.2931e-05 deg
M 201.3266340357383 1.5175e-05 deg
tp 2459322.463814836185
(2021-Apr-17.96381484)
7.2502e-05 TDB
period 1637.999999316621
4.48
1.5274e-05
4.182e-08
d
yr
n .2197802198719128 2.0494e-09 deg/d
Q 3.149407970801394 1.9579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      645  
   data-arc span      7568 days (20.72 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59946  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:02  

Additional Information
 Earth MOID = 1.28494 au 
 Jupiter MOID = 2.2944 au 
 T_jup = 3.302 
[ 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 15.1   n/a MPO337816  

74101 (1998 QS30)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QS30 = 2002 NY17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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