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66630 (1999 RS208)
Classification: Main-belt Asteroid          SPK-ID: 2066630
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251646551340999 5.5161e-08  
a 2.640648477341748 1.356e-08 au
q 2.046067773610707 1.5038e-07 au
i 7.243077642455404 4.8955e-06 deg
node 231.4664049372854 4.468e-05 deg
peri 95.08741572504809 4.5752e-05 deg
M 51.54188820118021 1.0167e-05 deg
tp 2459172.100368987779
(2020-Nov-18.60036899)
4.3703e-05 TDB
period 1567.343960102525
4.29
1.2073e-05
3.305e-08
d
yr
n .2296879365116839 1.7693e-09 deg/d
Q 3.235229181072788 1.6614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      632  
   data-arc span      9018 days (24.69 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-07-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55164  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:51  

Additional Information
 Earth MOID = 1.04951 au 
 Jupiter MOID = 2.18389 au 
 T_jup = 3.348 
[ 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 15.54   n/a E2021B10  

66630 (1999 RS208)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1949-Jul-30 13:19 00:02 Inter 0.0259611365284616 0.0259526470289093 0.0259696267773209 4.0342028688496 4.0342027290721 2433128.054693418 2.05764030094873 477.367626143214 49.6105446896452 27.7772636936465 37151.9357368537 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 12:23:53 2021-Apr-13 12:23

Alternate Designations
 1999 RS208 = 1995 VD9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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