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102721 (1999 VZ98)
Classification: Main-belt Asteroid          SPK-ID: 2102721
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1028063754771005 3.5835e-08  
a 2.440625229167132 1.3291e-08 au
q 2.189713395458491 9.2016e-08 au
i 5.661402023223117 4.0522e-06 deg
node 221.1257264768742 3.7984e-05 deg
peri 52.53155155988144 4.3287e-05 deg
M 313.8249739739373 2.2439e-05 deg
tp 2459379.130132144938
(2021-Jun-13.63013214)
8.7447e-05 TDB
period 1392.675935599488
3.81
1.1376e-05
3.115e-08
d
yr
n .2584951680413974 2.1115e-09 deg/d
Q 2.691537062875772 1.4657e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      9486 days (25.97 yr)  
   first obs. used      1994-05-03  
   last obs. used      2020-04-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52613  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:43:20  

Additional Information
 Earth MOID = 1.17731 au 
 Jupiter MOID = 2.38549 au 
 T_jup = 3.488 
[ 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 15.83   n/a E2021B55  

102721 (1999 VZ98)          Discovered 1999-Nov-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1900-Dec-13 10:23 00:17 Psych 0.0440480582238056 0.0440298874057638 0.044066229588056 2.59350907042135 2.59350896451095 2415366.932911258 16.6494072769866 936.192097621028 48.6109362114918 -15.0960677680513 35873.3023421919 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 15:43:22 2021-Apr-13 15:43
1974-Jul-25 15:25 < 00:01 Iris 0.0256543728569041 0.025648785712797 0.0256599617336774 6.10782384238788 6.10782380569978 2442254.142074434 0.84364676768874 442.932900111524 72.7765791705273 -52.0117910642852 41891.7991225507 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 15:43:22 2021-Apr-13 15:43
2192-Feb-03 01:59 00:03 Iris 0.0422641383669088 0.0422434953133224 0.0422848143904719 6.13878513751184 6.13878511535445 2521704.582584347 3.10584826072823 2130.77107578893 69.3475880960164 -61.1470854195155 79848.0368151336 T 26 CATAB v2.0f-lin.ifort 2021-Apr-13 15:43:22 2021-Apr-13 15:43

Alternate Designations
 1999 VZ98 = 2003 WB42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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