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390581 (2001 QD116)
Classification: Main-belt Asteroid          SPK-ID: 2390581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1319286593983421 1.1369e-07  
a 2.297088061148963 1.153e-08 au
q 1.994036312721643 2.5707e-07 au
i 5.637424230508332 9.867e-06 deg
node 211.3450089723388 4.9113e-05 deg
peri 139.4955541133219 5.4409e-05 deg
M 137.1337292129089 2.464e-05 deg
tp 2458516.097161441191
(2019-Feb-01.59716144)
8.5114e-05 TDB
period 1271.642088945362
3.48
9.574e-06
2.621e-08
d
yr
n .2830985252293484 2.1314e-09 deg/d
Q 2.600139809576282 1.3051e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      6716 days (18.39 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:56:45  

Additional Information
 Earth MOID = .992645 au 
 Jupiter MOID = 2.82854 au 
 T_jup = 3.576 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456810.5 (2014-Jun-02.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1328278928960406 1.1403e-07  
q 1.99143250916815 2.5805e-07 au
tp 2457243.472348353537
(2015-Aug-08.97234835)
7.9913e-05 TDB
node 211.3778766615976 4.9132e-05 deg
peri 139.2445769055543 5.4355e-05 deg
i 5.636216548675508 9.8713e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      6716 days (18.39 yr)  
   first obs. used      2001-08-17  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:56:45  

Additional Information
 Jupiter MOID = 2.82854 au 
 T_jup = 3.576 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.300361770562705E-14 -2.940792689604358E-14 5.682392081395376E-12 -2.50981585098647E-14 1.426710454318049E-12 -1.866061149457394E-14
q -2.940792689604358E-14 6.658801654013538E-14 -1.271771381508924E-11 5.445517057587893E-14 -3.1935996291957E-12 4.290745634786915E-14
tp 5.682392081395376E-12 -1.271771381508924E-11 6.38608537224011E-9 1.388596122939531E-12 1.86303043760894E-9 -1.413711394924184E-11
node -2.50981585098647E-14 5.445517057587893E-14 1.388596122939531E-12 2.413948432095785E-9 -2.399542817591737E-9 -2.496907080503987E-10
peri 1.426710454318049E-12 -3.1935996291957E-12 1.86303043760894E-9 -2.399542817591737E-9 2.954502466138607E-9 2.444167177228524E-10
i -1.866061149457394E-14 4.290745634786915E-14 -1.413711394924184E-11 -2.496907080503987E-10 2.444167177228524E-10 9.744336014256808E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO353325  

390581 (2001 QD116)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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