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24806 (1994 RH9)
Classification: Mars-crossing Asteroid          SPK-ID: 2024806
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3485051266750253 4.2937e-08  
a 2.409684122983148 7.5603e-09 au
q 1.569896852456109 1.0527e-07 au
i 9.916732575203328 5.1956e-06 deg
node 353.1930780919977 2.3948e-05 deg
peri 341.3585828237418 2.4646e-05 deg
M 14.84378305877449 7.5821e-06 deg
tp 2459144.164688650232
(2020-Oct-21.66468865)
2.8628e-05 TDB
period 1366.276508192969
3.74
6.43e-06
1.76e-08
d
yr
n .2634898557072714 1.24e-09 deg/d
Q 3.249471393510187 1.0195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1114  
   data-arc span      16727 days (45.80 yr)  
   first obs. used      1975-06-03  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52905  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:37:55  

Additional Information
 Earth MOID = .562575 au 
 Jupiter MOID = 2.15518 au 
 T_jup = 3.416 
[ 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 14.95   n/a E2021B10  

24806 (1994 RH9)          Discovered 1994-Sep-12 by Spacewatch at Kitt Peak
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 RH9 = 1979 QH8 = 1979 SM3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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