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JPL Small-Body Database Browser
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85634 (1998 LR2)
Classification: Main-belt Asteroid          SPK-ID: 2085634
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131694260563096 3.0242e-08  
a 2.26543736204678 8.2064e-09 au
q 1.782515379812747 6.8625e-08 au
i 6.022863768089178 3.5672e-06 deg
node 137.7619778572174 4.5882e-05 deg
peri 167.2135811480859 4.7488e-05 deg
M 16.17194427057366 1.3466e-05 deg
tp 2458544.551783056565
(2019-Mar-02.05178306)
4.6419e-05 TDB
period 1245.450625023838
3.41
6.7673e-06
1.853e-08
d
yr
n .2890520047658329 1.5706e-09 deg/d
Q 2.748359344280812 9.9557e-09 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      8345 days (22.85 yr)  
   first obs. used      1997-01-02  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56538  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:17:57  

Additional Information
 Earth MOID = .767314 au 
 Jupiter MOID = 2.50394 au 
 T_jup = 3.579 
[ 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 16.1   n/a MPO436374  

85634 (1998 LR2)          Discovered 1998-Jun-01 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1959-Dec-26 06:19 < 00:01 Amphi 0.0425631276951008 0.0425608929255755 0.0425653643716515 5.55960913899506 5.55960911470127 2436928.762898306 0.915583476367219 491.471458731604 38.5349365034415 -77.6738033279835 161405.469348774 T 19 CATAB v2.0f-lin.ifort 2019-Dec-04 08:18:11 2019-Dec-04 08:18

Alternate Designations
 1998 LR2 = 2001 FC113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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