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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1363552137135267 4.5521e-08  
a 2.394860137309301 1.192e-08 au
q 2.068308471472485 1.1028e-07 au
i 7.605587786812443 4.8032e-06 deg
node 316.136864672256 3.3625e-05 deg
peri 11.7192984010105 3.8958e-05 deg
M 329.1484262538758 2.4181e-05 deg
tp 2459116.509480306005
(2020-Sep-24.00948031)
9.142e-05 TDB
period 1353.68825116769
3.71
1.0107e-05
2.767e-08
d
yr
n .2659401082113731 1.9856e-09 deg/d
Q 2.721411803146117 1.3546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      11567 days (31.67 yr)  
   first obs. used      1987-08-30  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55873  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:47  

Additional Information
 Earth MOID = 1.0572 au 
 Jupiter MOID = 2.59598 au 
 T_jup = 3.505 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456693.5 (2014-Feb-05.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1353138730662428 4.5266e-08  
q 2.070073951761683 1.0944e-07 au
tp 2456408.512918746474
(2013-Apr-26.01291875)
8.2456e-05 TDB
node 316.1922273483565 3.3637e-05 deg
peri 11.34947498194277 3.9076e-05 deg
i 7.605209230924266 4.7998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      11567 days (31.67 yr)  
   first obs. used      1987-08-30  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55873  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:48:47  

Additional Information
 Jupiter MOID = 2.59598 au 
 T_jup = 3.505 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.049043567319725E-15 -4.932104813511303E-15 8.017834408921346E-13 -1.45632437108842E-15 1.960952738314612E-13 6.340042081042492E-16
q -4.932104813511303E-15 1.197659008602202E-14 -1.580497192149052E-12 2.157431839351285E-15 -3.849002017945025E-13 -1.174361898867576E-15
tp 8.017834408921346E-13 -1.580497192149052E-12 6.798972244066909E-9 -1.026545307256397E-11 1.66029344858636E-9 2.164394546391974E-12
node -1.45632437108842E-15 2.157431839351285E-15 -1.026545307256397E-11 1.131427391059636E-9 -1.123610095867115E-9 3.661275160018823E-11
peri 1.960952738314612E-13 -3.849002017945025E-13 1.66029344858636E-9 -1.123610095867115E-9 1.526941160078937E-9 -3.578881305766635E-11
i 6.340042081042492E-16 -1.174361898867576E-15 2.164394546391974E-12 3.661275160018823E-11 -3.578881305766635E-11 2.303854008290553E-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 14.5   n/a MPO337649  

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

[ show close-approach data ]
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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