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JPL Small-Body Database Browser
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48998 (1998 QV51)
Classification: Main-belt Asteroid          SPK-ID: 2048998
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363551954969947 4.5338e-08  
a 2.394860145351012 1.1754e-08 au
q 2.068308522043714 1.0998e-07 au
i 7.605591003020645 4.7784e-06 deg
node 316.1368930990406 3.3484e-05 deg
peri 11.71928602833995 3.8662e-05 deg
M 329.1484085065112 2.3649e-05 deg
tp 2459116.509547624770
(2020-Sep-24.00954762)
8.9402e-05 TDB
period 1353.688257986023
3.71
9.966e-06
2.729e-08
d
yr
n .265940106871871 1.9579e-09 deg/d
Q 2.72141176865831 1.3357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      11930 days (32.66 yr)  
   first obs. used      1987-08-30  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:50:18  

Additional Information
 Earth MOID = 1.0572 au 
 Jupiter MOID = 2.59598 au 
 T_jup = 3.505 
[ 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 14.5   n/a MPO337649  

48998 (1998 QV51)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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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
1965-Feb-05 01:54 < 00:01 Hebe 0.0386217110486506 0.0386176798333883 0.0386257430152872 8.91770403487952 8.9177040168297 2438796.578967182 0.548308179016041 337.379357310078 26.5155402612027 53.6702073137195 175811.602275014 T 22 CATAB v2.0f-lin.ifort 2020-May-20 09:50:32 2020-May-20 09:50
1967-May-28 13:20 < 00:01 Iris 0.03301383876757 0.0330106824364591 0.0330169955725994 4.92867466490165 4.92867462957139 2439639.055511907 0.56946909445764 258.484851606673 43.2886314228679 53.5871242614314 92477.9195914454 T 22 CATAB v2.0f-lin.ifort 2020-May-20 09:50:32 2020-May-20 09:50

Alternate Designations
 1998 QV51 = 1987 QO3 = 1991 XA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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