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JPL Small-Body Database Browser
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48211 (2001 KN22)
Classification: Main-belt Asteroid          SPK-ID: 2048211
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08897994555389384 4.6185e-08  
a 3.055934836791417 1.8106e-08 au
q 2.784017921397469 1.4368e-07 au
i 8.492975887523684 4.9938e-06 deg
node 242.5332627512565 3.2586e-05 deg
peri 156.0216838823935 4.3269e-05 deg
M 46.97145196465103 2.6985e-05 deg
tp 2458745.907242329844
(2019-Sep-19.40724233)
0.00014617 TDB
period 1951.257389919119
5.34
1.7341e-05
4.748e-08
d
yr
n .1844964184939857 1.6396e-09 deg/d
Q 3.327851752185365 1.9717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7662 days (20.98 yr)  
   first obs. used      1998-12-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53833  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:09:52  

Additional Information
 Earth MOID = 1.79481 au 
 Jupiter MOID = 2.05098 au 
 T_jup = 3.213 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456965.5 (2014-Nov-04.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08516373889538024 4.5705e-08  
q 2.79546289555364 1.4124e-07 au
tp 2456785.511742852115
(2014-May-08.01174285)
0.00015624 TDB
node 242.8454815811264 3.2689e-05 deg
peri 154.2765404248007 4.4481e-05 deg
i 8.476076654662446 4.9857e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      7662 days (20.98 yr)  
   first obs. used      1998-12-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53833  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:09:52  

Additional Information
 Jupiter MOID = 2.05098 au 
 T_jup = 3.213 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.088934586058676E-15 -6.410914383118279E-15 -2.32728032316486E-13 5.254863411443162E-15 -8.356959842048105E-14 1.640266089520391E-15
q -6.410914383118279E-15 1.994780165235672E-14 5.220000841687315E-13 -1.58492864251232E-14 2.261488208754559E-13 -3.94031393557359E-15
tp -2.32728032316486E-13 5.220000841687315E-13 2.441092989614126E-8 -2.820176438836766E-11 4.741947861980864E-9 8.347751751685508E-13
node 5.254863411443162E-15 -1.58492864251232E-14 -2.820176438836766E-11 1.068550392166148E-9 -1.06198285072527E-9 -1.368953933514748E-11
peri -8.356959842048105E-14 2.261488208754559E-13 4.741947861980864E-9 -1.06198285072527E-9 1.978563012544702E-9 1.354814948935846E-11
i 1.640266089520391E-15 -3.94031393557359E-15 8.347751751685508E-13 -1.368953933514748E-11 1.354814948935846E-11 2.485683943818773E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO452828  
diameter diameter 5.483 km 0.238 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48211 (2001 KN22)          Discovered 2001-May-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 KN22 = 1998 XH60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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