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70287 (1999 RH118)
Classification: Main-belt Asteroid          SPK-ID: 2070287
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1938387090341195 3.9935e-08  
a 2.434102484964981 7.7957e-09 au
q 1.962279201622627 9.8553e-08 au
i 2.997677583996009 4.6618e-06 deg
node 183.347366812219 7.339e-05 deg
peri 132.8883142543581 7.4093e-05 deg
M 227.4035766138229 1.0469e-05 deg
tp 2459711.400144362400
(2022-May-11.90014436)
4.1145e-05 TDB
period 1387.096629558394
3.80
6.6637e-06
1.824e-08
d
yr
n .259534910783117 1.2468e-09 deg/d
Q 2.905925768307336 9.3068e-09 au
  Orbit Determination Parameters
   # obs. used (total)      738  
   data-arc span      10876 days (29.78 yr)  
   first obs. used      1991-06-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55472  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:45  

Additional Information
 Earth MOID = .948354 au 
 Jupiter MOID = 2.3949 au 
 T_jup = 3.478 
[ 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 16.07   n/a E2021B10  

70287 (1999 RH118)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20031109/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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