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86949 (2000 HE87)
Classification: Main-belt Asteroid          SPK-ID: 2086949
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06935610194267706 4.1033e-08  
a 2.318695403684209 1.0911e-08 au
q 2.15787972889227 9.6053e-08 au
i 8.128512919319931 4.4157e-06 deg
node 98.82221494809259 2.9477e-05 deg
peri 133.8388506023711 4.2974e-05 deg
M 244.6206290161387 3.3529e-05 deg
tp 2459413.823068350332
(2021-Jul-18.32306835)
0.0001215 TDB
period 1289.62658868137
3.53
9.1029e-06
2.492e-08
d
yr
n .2791505720800129 1.9704e-09 deg/d
Q 2.479511078476148 1.1668e-08 au
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      7229 days (19.79 yr)  
   first obs. used      2000-04-30  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:55:33  

Additional Information
 Earth MOID = 1.15381 au 
 Jupiter MOID = 2.52822 au 
 T_jup = 3.563 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457073.5 (2015-Feb-20.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06951745926507331 4.0988e-08  
q 2.157413120291527 9.5939e-08 au
tp 2456836.346060587627
(2014-Jun-27.84606059)
0.00011374 TDB
node 98.86264991778179 2.9492e-05 deg
peri 134.2258889538938 4.2961e-05 deg
i 8.126710075276675 4.4143e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      643  
   data-arc span      7229 days (19.79 yr)  
   first obs. used      2000-04-30  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56744  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:55:33  

Additional Information
 Jupiter MOID = 2.52822 au 
 T_jup = 3.563 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.679991138222968E-15 -3.910392707847036E-15 7.109799100621994E-14 -1.031622464190481E-16 3.36228691450943E-14 3.199102583532567E-17
q -3.910392707847036E-15 9.204324495376793E-15 2.409277616237269E-13 -6.436217204481351E-16 3.661008131994977E-14 2.275273789338111E-16
tp 7.109799100621994E-14 2.409277616237269E-13 1.293660975564243E-8 -2.272351588950217E-12 3.568848365940572E-9 4.451342540011597E-12
node -1.031622464190481E-16 -6.436217204481351E-16 -2.272351588950217E-12 8.69787497158965E-10 -8.611983469483779E-10 -2.220929343838284E-11
peri 3.36228691450943E-14 3.661008131994977E-14 3.568848365940572E-9 -8.611983469483779E-10 1.845614055290097E-9 2.317011096615075E-11
i 3.199102583532567E-17 2.275273789338111E-16 4.451342540011597E-12 -2.220929343838284E-11 2.317011096615075E-11 1.948597969592297E-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 16.0   n/a MPO412687  

86949 (2000 HE87)          Discovered 2000-Apr-30 by Spacewatch at Kitt Peak
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
2141-Aug-18 00:14 00:08 Vesta 0.031791559807413 0.0317604699845884 0.0318226491469613 1.00876258115319 1.00875887097653 2503273.509643856 8.26678150116115 1512.36361492104 43.617409148843 -6.99702499729182 12818.4165029196 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 20:55:34 2020-Nov-12 20:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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