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100983 (1998 QQ29)
Classification: Main-belt Asteroid          SPK-ID: 2100983
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09884369426835314 4.7291e-08  
a 2.469143841289184 1.6185e-08 au
q 2.225084542336209 1.259e-07 au
i 6.041570614630394 4.5999e-06 deg
node 191.3611719625287 3.9085e-05 deg
peri 58.71363975214928 5.0207e-05 deg
M 341.8124043054748 3.7669e-05 deg
tp 2459272.096337000828
(2021-Feb-26.59633700)
0.00014876 TDB
period 1417.157152226389
3.88
1.3934e-05
3.815e-08
d
yr
n .2540296956018118 2.4977e-09 deg/d
Q 2.713203140242159 1.7785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      7934 days (21.72 yr)  
   first obs. used      1998-07-28  
   last obs. used      2020-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55849  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:39  

Additional Information
 Earth MOID = 1.21713 au 
 Jupiter MOID = 2.30636 au 
 T_jup = 3.471 
[ 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 16.18   n/a E2021B55  

100983 (1998 QQ29)          Discovered 1998-Aug-23 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
2161-Apr-21 04:31 00:02 Hebe 0.0473720111969018 0.0473384174968568 0.0474056049870343 6.98335645675353 6.98335643796159 2510459.688231842 2.15090707549392 1678.06611322024 54.7981604621992 3.53836517890662 9022.81687069391 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:41 2021-Apr-13 15:34
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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