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JPL Small-Body Database Browser
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212728 (2007 RK162)
Classification: Main-belt Asteroid          SPK-ID: 2212728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1594315171121578 4.5756e-08  
a 2.342640197638891 1.6605e-08 au
q 1.969149516881398 1.0715e-07 au
i 3.40236708611789 4.9083e-06 deg
node 135.6107051404965 8.0498e-05 deg
peri 198.5814037921603 8.1851e-05 deg
M 115.2878454673517 1.653e-05 deg
tp 2458181.090912916793
(2018-Mar-03.59091292)
5.8168e-05 TDB
period 1309.654723252785
3.59
1.3924e-05
3.812e-08
d
yr
n .2748816108614255 2.9225e-09 deg/d
Q 2.716130878396385 1.9252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      312  
   data-arc span      5647 days (15.46 yr)  
   first obs. used      2003-07-23  
   last obs. used      2019-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59514  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:32:30  

Additional Information
 Earth MOID = .958423 au 
 Jupiter MOID = 2.63446 au 
 T_jup = 3.544 
[ 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 16.9   n/a MPO418139  

212728 (2007 RK162)          Discovered 2007-Sep-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ 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
1953-Feb-07 09:36 00:01 Vesta 0.027267279240326 0.0272318250552128 0.0273027434410284 3.8912916752202 3.89129055382404 2434415.899654059 1.17143087351577 1944.20078432901 76.7505893311027 -25.0663049281585 22494.0187897759 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 09:32:33 2019-Jul-14 09:32
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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