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160876 (2001 ON66)
Classification: Main-belt Asteroid          SPK-ID: 2160876
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .102154450783671 4.6863e-08  
a 2.626071592236674 1.9521e-08 au
q 2.357806691013136 1.2237e-07 au
i 9.692158774610593 5.5518e-06 deg
node 332.3071688661519 2.7054e-05 deg
peri 23.10669966527939 3.8407e-05 deg
M 103.1422073191938 2.6572e-05 deg
tp 2458555.159502405027
(2019-Mar-12.65950241)
0.00011389 TDB
period 1554.383828901787
4.26
1.7332e-05
4.745e-08
d
yr
n .2316030270685134 2.5825e-09 deg/d
Q 2.894336493460211 2.1516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      6769 days (18.53 yr)  
   first obs. used      2001-07-10  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:26:50  

Additional Information
 Earth MOID = 1.35514 au 
 Jupiter MOID = 2.51784 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457041.5 (2015-Jan-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031321471661719 4.7539e-08  
q 2.354523799751991 1.2439e-07 au
tp 2456996.206775697876
(2014-Dec-04.70677570)
0.0001099 TDB
node 332.4291522631528 2.6993e-05 deg
peri 21.92713975036825 3.7999e-05 deg
i 9.706906907755981 5.5574e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      6769 days (18.53 yr)  
   first obs. used      2001-07-10  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:26:50  

Additional Information
 Jupiter MOID = 2.51784 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.259924596465675E-15 -5.855501028748161E-15 -1.841579739210113E-12 -3.159902816379503E-15 -4.833072825935254E-13 1.029099006636297E-15
q -5.855501028748161E-15 1.547368634266974E-14 4.86964910827909E-12 7.516803956820358E-15 1.278822317016709E-12 -1.919402767474766E-15
tp -1.841579739210113E-12 4.86964910827909E-12 1.207894873965626E-8 3.627252775728269E-12 2.957586891940061E-9 -1.256474544990859E-11
node -3.159902816379503E-15 7.516803956820358E-15 3.627252775728269E-12 7.286235693923066E-10 -7.166752789687622E-10 -2.705194361765349E-11
peri -4.833072825935254E-13 1.278822317016709E-12 2.957586891940061E-9 -7.166752789687622E-10 1.443917710626592E-9 2.363121631721523E-11
i 1.029099006636297E-15 -1.919402767474766E-15 -1.256474544990859E-11 -2.705194361765349E-11 2.363121631721523E-11 3.088452020667E-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 15.4   n/a MPO302758  

160876 (2001 ON66)          Discovered 2001-Jul-23 by NEAT at Palomar
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 ON66 = 2004 DQ36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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