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100952 (1998 QR5)
Classification: Mars-crossing Asteroid          SPK-ID: 2100952
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3044482674280653 2.9611e-08  
a 2.31383751356964 7.9949e-09 au
q 1.6093936914533 6.88e-08 au
i 18.47337795244821 1.2294e-05 deg
node 318.2599892342148 1.2491e-05 deg
peri 100.0224758765322 4.478e-05 deg
M 79.05554694790958 3.352e-05 deg
tp 2458918.189155852541
(2020-Mar-09.68915585)
0.0001195 TDB
period 1285.575874391855
3.52
6.663e-06
1.824e-08
d
yr
n .2800301461555499 1.4514e-09 deg/d
Q 3.018281335685979 1.0429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      10373 days (28.40 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-02-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:31  

Additional Information
 Earth MOID = .734833 au 
 Jupiter MOID = 2.57961 au 
 T_jup = 3.454 
[ 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 15.83   n/a E2021B55  

100952 (1998 QR5)          Discovered 1998-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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