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JPL Small-Body Database Browser
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48933 (1998 QD)
Classification: Main-belt Asteroid          SPK-ID: 2048933
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090001073715085 4.9258e-08  
a 2.431561860288167 8.2775e-09 au
q 1.923365170407475 1.209e-07 au
i 3.074223274480698 5.2004e-06 deg
node 151.8220272329368 6.5902e-05 deg
peri 196.8346293677162 6.6535e-05 deg
M 258.0706136532462 7.7312e-06 deg
tp 2459392.623905782770
(2021-Jun-27.12390578)
3.0076e-05 TDB
period 1384.925497359212
3.79
7.0718e-06
1.936e-08
d
yr
n .2599417807574856 1.3273e-09 deg/d
Q 2.939758550168859 1.0008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      624  
   data-arc span      7835 days (21.45 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56208  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:16:49  

Additional Information
 Earth MOID = .917113 au 
 Jupiter MOID = 2.48523 au 
 T_jup = 3.475 
[ 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 16.3   n/a MPO468357  

48933 (1998 QD)          Discovered 1998-Aug-17 by Comba, P. G. at Prescott
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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
1901-Apr-18 04:50 00:03 Europ 0.0491598245615539 0.0491495893823098 0.0491700605262825 3.74723165326821 3.74723159557153 2415492.701616269 3.45548361109511 597.614097600219 52.2272438187494 31.5347195410753 74331.2929978 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 09:17:03 2020-Feb-23 09:17

Alternate Designations
 1998 QD = 2000 CQ67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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