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70268 (1999 RK97)
Classification: Main-belt Asteroid          SPK-ID: 2070268
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1691749126865242 3.2663e-08  
a 2.385424436402818 7.3177e-09 au
q 1.98187046565407 7.726e-08 au
i 1.521217040622706 3.6942e-06 deg
node 302.582304744507 0.0001261 deg
peri 164.5791317004213 0.00012661 deg
M 191.7615818236943 9.9967e-06 deg
tp 2459829.382628198323
(2022-Sep-06.88262820)
3.7784e-05 TDB
period 1345.695879725537
3.68
6.1922e-06
1.695e-08
d
yr
n .267519582562313 1.231e-09 deg/d
Q 2.788978407151566 8.5556e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1137  
   data-arc span      14135 days (38.70 yr)  
   first obs. used      1981-12-04  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:48:38  

Additional Information
 Earth MOID = .998579 au 
 Jupiter MOID = 2.33449 au 
 T_jup = 3.515 
[ 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 15.76   n/a E2021B10  

70268 (1999 RK97)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RK97 = 1981 XX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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