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101031 (1998 QU76)
Classification: Main-belt Asteroid          SPK-ID: 2101031
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1267150504135099 4.3392e-08  
a 2.350475996836157 1.0646e-08 au
q 2.052635312401318 1.0178e-07 au
i 5.436599828370823 5.0282e-06 deg
node 276.6405935888309 5.3845e-05 deg
peri 99.08377375566168 5.8079e-05 deg
M 351.6459196763385 2.1722e-05 deg
tp 2459031.044168263255
(2020-Jun-30.54416826)
7.9476e-05 TDB
period 1316.231128832661
3.60
8.9426e-06
2.448e-08
d
yr
n .2735081948101902 1.8582e-09 deg/d
Q 2.648316681270995 1.1995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      9628 days (26.36 yr)  
   first obs. used      1994-07-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60527  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:44  

Additional Information
 Earth MOID = 1.06236 au 
 Jupiter MOID = 2.83814 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456876.5 (2014-Aug-07.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278570014028551 4.3411e-08  
q 2.050301246737666 1.0196e-07 au
tp 2456398.586433769802
(2013-Apr-16.08643377)
7.5455e-05 TDB
node 276.694952841046 5.3891e-05 deg
peri 99.17130468552762 5.8014e-05 deg
i 5.433964145112639 5.0256e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      676  
   data-arc span      9628 days (26.36 yr)  
   first obs. used      1994-07-08  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60527  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:28:44  

Additional Information
 Jupiter MOID = 2.83814 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.884473824159214E-15 -4.40806383778948E-15 -8.989943398052907E-13 -1.731757607739378E-15 -2.517982575916726E-13 -2.07017747710382E-15
q -4.40806383778948E-15 1.039665211928831E-14 2.139543675361833E-12 3.850083338854216E-15 6.048646146429507E-13 4.879493216073985E-15
tp -8.989943398052907E-13 2.139543675361833E-12 5.693415578065835E-9 -8.293196749108E-12 1.645131444386407E-9 2.099904769864892E-12
node -1.731757607739378E-15 3.850083338854216E-15 -8.293196749108E-12 2.904189667078925E-9 -2.892984013100297E-9 7.27239659121353E-11
peri -2.517982575916726E-13 6.048646146429507E-13 1.645131444386407E-9 -2.892984013100297E-9 3.365578964805592E-9 -7.179695628097901E-11
i -2.07017747710382E-15 4.879493216073985E-15 2.099904769864892E-12 7.27239659121353E-11 -7.179695628097901E-11 2.525689989615391E-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 15.8   n/a MPO436471  

101031 (1998 QU76)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QU76 = 1994 NP10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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