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101030 (1998 QF76)
Classification: Main-belt Asteroid          SPK-ID: 2101030
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2267442894861916 2.5491e-08  
a 2.58911750535946 1.0605e-08 au
q 2.002049896210468 6.4202e-08 au
i 9.085263738894644 5.8284e-06 deg
node 217.7021836016275 1.802e-05 deg
peri 78.79841649047943 2.3139e-05 deg
M 159.7932889547749 1.4516e-05 deg
tp 2458525.067267463662
(2019-Feb-10.56726746)
5.9247e-05 TDB
period 1521.689585986932
4.17
9.3491e-06
2.56e-08
d
yr
n .2365791310627341 1.4535e-09 deg/d
Q 3.176185114508451 1.3009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      8207 days (22.47 yr)  
   first obs. used      1998-08-19  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:52  

Additional Information
 Earth MOID = 1.00857 au 
 Jupiter MOID = 2.108 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457374.5 (2015-Dec-18.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2274067455321393 2.5372e-08  
q 1.999416940708576 6.3841e-08 au
tp 2457005.283264675948
(2014-Dec-13.78326468)
5.5405e-05 TDB
node 217.7169622643642 1.8015e-05 deg
peri 78.94303235814348 2.3139e-05 deg
i 9.087786593467385 5.831e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1240  
   data-arc span      8207 days (22.47 yr)  
   first obs. used      1998-08-19  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:52  

Additional Information
 Jupiter MOID = 2.108 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.437174065967102E-16 -1.607648090788248E-15 -3.752975790811523E-14 -7.359420324595582E-16 -2.170384625526584E-14 -4.740217292168627E-17
q -1.607648090788248E-15 4.075725909005287E-15 2.44935031570372E-13 6.014058130639042E-16 9.688382627999341E-14 2.857253984114731E-16
tp -3.752975790811523E-14 2.44935031570372E-13 3.069666631107067E-9 -1.190399055593101E-11 8.076567144850753E-10 -2.99498891591602E-12
node -7.359420324595582E-16 6.014058130639042E-16 -1.190399055593101E-11 3.245499948411938E-10 -3.231917756714314E-10 -1.177074887639628E-11
peri -2.170384625526584E-14 9.688382627999341E-14 8.076567144850753E-10 -3.231917756714314E-10 5.354320626473387E-10 1.088510880504379E-11
i -4.740217292168627E-17 2.857253984114731E-16 -2.99498891591602E-12 -1.177074887639628E-11 1.088510880504379E-11 3.400036590607295E-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 14.76   n/a E2021B55  
diameter diameter 2.904 km 0.335 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.332   0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101030 (1998 QF76)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
2019-Oct-19 10:46 < 00:01 Amphi 0.00354946596414196 0.00354566297591156 0.00355326935926703 7.05308391607625 7.05308368644501 2458775.948956721 0.41043194232848 199.289634619826 40.4323116050785 18.3165834092827 4837.62623624902 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 15:34:56 2021-Apr-13 15:34

Alternate Designations
 1998 QF76 = 1998 QT96 = 2001 FC101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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