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101967 (1999 RQ43)
Classification: Mars-crossing Asteroid          SPK-ID: 2101967
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3005332277400361 3.6177e-08  
a 2.139943619722296 9.9823e-09 au
q 1.496819456505458 7.5088e-08 au
i 4.195372093637567 4.3533e-06 deg
node 184.5867391223575 5.0041e-05 deg
peri 134.2338203602461 5.1866e-05 deg
M 245.4437218975232 2.1478e-05 deg
tp 2459364.346597652789
(2021-May-29.84659765)
7.0645e-05 TDB
period 1143.409835974516
3.13
8.0006e-06
2.19e-08
d
yr
n .3148477375946097 2.203e-09 deg/d
Q 2.783067782939134 1.2982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      920  
   data-arc span      8128 days (22.25 yr)  
   first obs. used      1998-02-18  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54442  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:28  

Additional Information
 Earth MOID = .488153 au 
 Jupiter MOID = 2.55427 au 
 T_jup = 3.652 
[ 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 15.8   n/a MPO309891  

101967 (1999 RQ43)          Discovered 1999-Sep-13 by Juels, C. W. at Fountain Hills
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RQ43 = 1998 DK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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