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79638 (1998 RL78)
Classification: Main-belt Asteroid          SPK-ID: 2079638
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169883567545914 4.447e-08  
a 2.272321690371426 9.326e-09 au
q 1.886291574999166 1.0338e-07 au
i 4.525732897648409 3.8357e-06 deg
node 53.06912832254302 5.7942e-05 deg
peri 284.355665717673 5.8796e-05 deg
M 139.2405353296229 1.08e-05 deg
tp 2458516.588067245129
(2019-Feb-02.08806725)
3.6671e-05 TDB
period 1251.132045559518
3.43
7.7023e-06
2.109e-08
d
yr
n .2877394127004433 1.7714e-09 deg/d
Q 2.658351805743685 1.091e-08 au
  Orbit Determination Parameters
   # obs. used (total)      851  
   data-arc span      14000 days (38.33 yr)  
   first obs. used      1981-09-24  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52599  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:44:30  

Additional Information
 Earth MOID = .883443 au 
 Jupiter MOID = 2.72197 au 
 T_jup = 3.588 
[ 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 15.7   n/a MPO417374  

79638 (1998 RL78)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1998 RL78 = 1981 SB8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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