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26256 (1998 QC73)
Classification: Main-belt Asteroid          SPK-ID: 2026256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1929836850044273 4.5466e-08  
a 2.585557857261282 1.0913e-08 au
q 2.086587374174849 1.204e-07 au
i 13.72058028318294 4.6045e-06 deg
node 190.4745470025095 1.337e-05 deg
peri 209.129570145795 1.589e-05 deg
M 89.52688887578607 6.9947e-06 deg
tp 2458822.857547392468
(2019-Dec-05.35754739)
2.9534e-05 TDB
period 1518.552522553721
4.16
9.6137e-06
2.632e-08
d
yr
n .2370678620944864 1.5008e-09 deg/d
Q 3.084528340347716 1.3018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      11030 days (30.20 yr)  
   first obs. used      1990-11-08  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:28  

Additional Information
 Earth MOID = 1.10164 au 
 Jupiter MOID = 2.38229 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457426.5 (2016-Feb-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1920667921008536 4.5387e-08  
q 2.088640987958442 1.1996e-07 au
tp 2457299.708896963714
(2015-Oct-04.20889696)
3.1764e-05 TDB
node 190.5506147311592 1.3341e-05 deg
peri 208.2219910444278 1.5915e-05 deg
i 13.73299906781534 4.6065e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      11030 days (30.20 yr)  
   first obs. used      1990-11-08  
   last obs. used      2021-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50101  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:18:28  

Additional Information
 Jupiter MOID = 2.38229 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.059955619248532E-15 -5.4316220737845E-15 -3.686743735657815E-14 1.484352898732652E-14 -3.470629042374659E-14 -7.643823085486927E-15
q -5.4316220737845E-15 1.439135323826314E-14 5.367750305354387E-15 -3.969107764189769E-14 7.047344567978828E-14 2.068325323540818E-14
tp -3.686743735657815E-14 5.367750305354387E-15 1.008956067495117E-9 7.943310398118991E-14 2.829274525475243E-10 -7.151952416439754E-13
node 1.484352898732652E-14 -3.969107764189769E-14 7.943310398118991E-14 1.779814998028957E-10 -1.727690765444034E-10 2.535960030536859E-11
peri -3.470629042374659E-14 7.047344567978828E-14 2.829274525475243E-10 -1.727690765444034E-10 2.532848292513789E-10 -2.487661756882579E-11
i -7.643823085486927E-15 2.068325323540818E-14 -7.151952416439754E-13 2.535960030536859E-11 -2.487661756882579E-11 2.121948302945037E-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 14.82   n/a E2021B10  

26256 (1998 QC73)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20010705/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QC73 = 1990 VS = 2001 JA3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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