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48890 (1998 KC16)
Classification: Main-belt Asteroid          SPK-ID: 2048890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370271420089446 4.8519e-08  
a 2.233683147437648 7.7591e-09 au
q 1.927607929590722 1.0745e-07 au
i 5.740917941008496 4.8803e-06 deg
node 81.81008833758442 4.3598e-05 deg
peri 146.5027673786173 4.5606e-05 deg
M 217.5957952501966 1.5279e-05 deg
tp 2459482.837569141839
(2021-Sep-25.33756914)
5.2823e-05 TDB
period 1219.356726131374
3.34
6.3535e-06
1.739e-08
d
yr
n .2952376382440305 1.5383e-09 deg/d
Q 2.539758365284572 8.8223e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      8352 days (22.87 yr)  
   first obs. used      1997-01-12  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:57  

Additional Information
 Earth MOID = .920071 au 
 Jupiter MOID = 2.44892 au 
 T_jup = 3.621 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456915.5 (2014-Sep-15.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368406469999644 4.8536e-08  
q 1.927775409548026 1.0742e-07 au
tp 2457044.524935054663
(2015-Jan-22.02493505)
4.8599e-05 TDB
node 81.82661604953446 4.3614e-05 deg
peri 146.5370693243445 4.5626e-05 deg
i 5.740170484748519 4.8797e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      8352 days (22.87 yr)  
   first obs. used      1997-01-12  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:57  

Additional Information
 Jupiter MOID = 2.44892 au 
 T_jup = 3.621 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.355736677498052E-15 -5.204021259868163E-15 -4.541183000976612E-14 -6.666898256480621E-15 -2.313409409260944E-14 1.228175009099293E-15
q -5.204021259868163E-15 1.153994820002475E-14 1.741938849224634E-13 1.47089138878113E-14 6.932776836623115E-14 -2.627714169801843E-15
tp -4.541183000976612E-14 1.741938849224634E-13 2.361828724935944E-9 1.750657182840621E-14 6.686160878287699E-10 -5.033423702293497E-13
node -6.666898256480621E-15 1.47089138878113E-14 1.750657182840621E-14 1.902147062091933E-9 -1.892311778325367E-9 -7.974203171501357E-11
peri -2.313409409260944E-14 6.932776836623115E-14 6.686160878287699E-10 -1.892311778325367E-9 2.081736488355789E-9 7.921737245719586E-11
i 1.228175009099293E-15 -2.627714169801843E-15 -5.033423702293497E-13 -7.974203171501357E-11 7.921737245719586E-11 2.381153240158076E-11

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 15.3   n/a MPO452836  

48890 (1998 KC16)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 KC16 = 1999 TD304 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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