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22689 (1998 QQ84)
Classification: Main-belt Asteroid          SPK-ID: 2022689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294508240616035 3.4346e-08  
a 3.088774731486005 1.8187e-08 au
q 2.688930297154483 1.1345e-07 au
i 12.937182753554 4.0844e-06 deg
node 236.3331110180448 1.8479e-05 deg
peri 220.6022389449891 2.6567e-05 deg
M 294.0158770852108 1.9313e-05 deg
tp 2459563.924940520045
(2021-Dec-15.42494052)
0.00010722 TDB
period 1982.794842270949
5.43
1.7513e-05
4.795e-08
d
yr
n .181561900568433 1.6036e-09 deg/d
Q 3.488619165817526 2.0542e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1612  
   data-arc span      9075 days (24.85 yr)  
   first obs. used      1996-04-09  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49323  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:09:26  

Additional Information
 Earth MOID = 1.71936 au 
 Jupiter MOID = 1.8405 au 
 T_jup = 3.174 
[ 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 13.80   n/a E2021B10  

22689 (1998 QQ84)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QQ84 = 1996 GJ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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