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22866 (1999 RQ179)
Classification: Main-belt Asteroid          SPK-ID: 2022866
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191523346521588 4.6073e-08  
a 2.524868679009768 9.0719e-09 au
q 1.971537813314665 1.1561e-07 au
i 4.993782604217991 3.1538e-06 deg
node 95.50564556267814 5.7943e-05 deg
peri 292.5403481206685 5.8832e-05 deg
M 83.51277455504304 1.0522e-05 deg
tp 2458860.556273362687
(2020-Jan-12.05627336)
4.2619e-05 TDB
period 1465.4014579383
4.01
7.8978e-06
2.162e-08
d
yr
n .2456664677449486 1.324e-09 deg/d
Q 3.078199544704871 1.106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1207  
   data-arc span      9328 days (25.54 yr)  
   first obs. used      1995-08-31  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51661  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:00  

Additional Information
 Earth MOID = .981853 au 
 Jupiter MOID = 2.3811 au 
 T_jup = 3.415 
[ 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 15.2   n/a MPO502333  

22866 (1999 RQ179)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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