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JPL Small-Body Database Browser
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48897 (1998 LQ2)
Classification: Main-belt Asteroid          SPK-ID: 2048897
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1862040045526915 4.6457e-08  
a 2.279626863489949 8.5926e-09 au
q 1.855151212622228 1.0357e-07 au
i 6.758502299823756 5.5433e-06 deg
node 182.3346864362147 2.7579e-05 deg
peri 134.5382648765046 3.1587e-05 deg
M 100.4044984061588 1.3326e-05 deg
tp 2458649.873492230949
(2019-Jun-15.37349223)
4.6064e-05 TDB
period 1257.170194568851
3.44
7.1079e-06
1.946e-08
d
yr
n .286357409327114 1.619e-09 deg/d
Q 2.704102514357669 1.0193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      469  
   data-arc span      10389 days (28.44 yr)  
   first obs. used      1991-06-16  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:57  

Additional Information
 Earth MOID = .849652 au 
 Jupiter MOID = 2.61876 au 
 T_jup = 3.574 
[ 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 16.6   n/a MPO436125  

48897 (1998 LQ2)          Discovered 1998-Jun-01 by Elst, E. W. at La Silla
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
2107-Mar-24 16:12 < 00:01 Eunom 0.0345546530856989 0.0345426767961497 0.0345666319716613 5.91430642390103 5.91430635521261 2490708.175201519 0.924120260000432 762.004274872862 45.8547025293197 -38.5026900317702 70346.2669787369 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 04:16:03 2019-Dec-14 04:16
2124-Jun-01 01:30 00:01 Eunom 0.0310249710986961 0.0310157523929389 0.0310341973477032 5.72745123937009 5.72745116037118 2496986.562337021 1.3802883647852 893.408620529354 44.7957944764921 59.1580006992608 88949.9184967605 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 04:16:03 2019-Dec-14 04:16
2176-Jul-21 21:02 < 00:01 Amphi 0.0462869024678917 0.0462733190237542 0.0463004986831732 5.24094572237401 5.24094569867636 2516030.376369709 0.454244696723083 1390.97121824835 46.2430415383585 -60.9117724650562 130834.88638013 T 17 CATAB v2.0f-lin.ifort 2019-Dec-14 04:16:03 2019-Dec-14 04:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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