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15984 (1998 WM7)
Classification: Main-belt Asteroid          SPK-ID: 2015984
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2216000483175143 2.7798e-08  
a 2.565267830220045 9.128e-09 au
q 1.996804355095918 6.8234e-08 au
i 9.065802566391945 4.7539e-06 deg
node 94.44270933554671 2.403e-05 deg
peri 66.63596531344308 2.7667e-05 deg
M 53.40149293605132 1.3443e-05 deg
tp 2458777.888089346943
(2019-Oct-21.38808935)
5.5584e-05 TDB
period 1500.712497515177
4.11
8.01e-06
2.193e-08
d
yr
n .2398860545214852 1.2804e-09 deg/d
Q 3.133731305344172 1.1151e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2062  
   data-arc span      16975 days (46.48 yr)  
   first obs. used      1973-12-25  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46113  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:54:45  

Additional Information
 Earth MOID = 1.02613 au 
 Jupiter MOID = 1.91782 au 
 T_jup = 3.381 
[ 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 13.6   n/a MPO502292  

15984 (1998 WM7)          Discovered 1998-Nov-24 by LINEAR at Socorro
Reference: 20000726/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
1927-Apr-04 11:08 00:01 Jupiter 1.91357328891662 1.91357293038262 1.91357364745258 1.3939761394664 1.0285383380666 2424974.963645049 1.29143098861612 212.811058751283 100.748287790572 59.2509535100856 2503243.56056726 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 17:55:06 2020-Jun-23 17:55
2021-Sep-13 08:41 < 00:01 Jupiter 1.95604092001674 1.95604057279052 1.95604126724319 1.77323459878625 1.50940480602575 2459470.861533956 0.176498168530492 58.4906092853891 37.589444575015 72.6568583037227 2599841.05570632 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 17:55:06 2020-Jun-23 17:55
2034-May-29 04:38 < 00:01 Jupiter 1.92465239659077 1.92465198056714 1.9246528126145 1.27747719616678 0.867044206680425 2464111.692873215 0.321355920181683 234.542340774565 164.146531165734 33.9311856249081 2022996.76664793 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 17:55:06 2020-Jun-23 17:55
2128-Nov-05 00:55 00:02 Jupiter 1.91604740568767 1.91604692263476 1.91604788874047 1.37553736546026 1.00397599793789 2498604.538347848 1.63873023339603 323.964811770132 78.1071147763576 35.0186781702605 2074932.65038132 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 17:55:06 2020-Jun-23 17:55
2141-Jul-24 10:48 00:02 Jupiter 1.965350339634 1.96534966307238 1.96535101619686 1.54441546382154 1.23420556312089 2503248.950259473 1.87567665035002 257.35321706814 110.736656757206 -57.7384590255822 1233322.43307977 T 25 CATAB v2.0f-lin.ifort 2020-Jun-23 17:55:06 2020-Jun-23 17:55

Alternate Designations
 1998 WM7 = 1973 YF3 = 1974 DL2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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