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173737 (2001 QM274)
Classification: Main-belt Asteroid          SPK-ID: 2173737
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08307878251423977 6.3421e-08  
a 2.766564084936706 3.1119e-08 au
q 2.536721309012543 1.7333e-07 au
i 7.308491830507151 6.2986e-06 deg
node 104.4739975933494 5.9724e-05 deg
peri 199.5079490622635 7.7576e-05 deg
M 45.55217689423786 5.0987e-05 deg
tp 2458787.825135649604
(2019-Oct-31.32513565)
0.00023665 TDB
period 1680.77480345023
4.60
2.8359e-05
7.764e-08
d
yr
n .2141869328722717 3.6138e-09 deg/d
Q 2.99640686086087 3.3704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6614 days (18.11 yr)  
   first obs. used      2000-05-02  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:02:50  

Additional Information
 Earth MOID = 1.52258 au 
 Jupiter MOID = 2.18127 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456791.5 (2014-May-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08399111650221933 6.4046e-08  
q 2.534567124950247 1.7543e-07 au
tp 2457112.714940931100
(2015-Mar-31.21494093)
0.00022413 TDB
node 104.5251263723669 5.9805e-05 deg
peri 200.9257368907613 7.7147e-05 deg
i 7.304029322797174 6.2924e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      250  
   data-arc span      6614 days (18.11 yr)  
   first obs. used      2000-05-02  
   last obs. used      2018-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 15:02:50  

Additional Information
 Jupiter MOID = 2.18127 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.101880883908709E-15 -1.10911134578279E-14 6.714937892008468E-12 4.10906824363324E-14 1.502030722935013E-12 -1.473004654958863E-15
q -1.10911134578279E-14 3.07741235128515E-14 -1.696091942547691E-11 -9.65400892622924E-14 -3.851265232590379E-12 5.640836644889127E-15
tp 6.714937892008468E-12 -1.696091942547691E-11 5.023579742722498E-8 2.681818506756383E-10 1.100042639885232E-8 6.806478707776369E-12
node 4.10906824363324E-14 -9.65400892622924E-14 2.681818506756383E-10 3.576662841776245E-9 -3.487601541551702E-9 1.107829396323525E-10
peri 1.502030722935013E-12 -3.851265232590379E-12 1.100042639885232E-8 -3.487601541551702E-9 5.951689742141588E-9 -1.083489964849929E-10
i -1.473004654958863E-15 5.640836644889127E-15 6.806478707776369E-12 1.107829396323525E-10 -1.083489964849929E-10 3.95946796303966E-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 15.9   n/a MPO436862  

173737 (2001 QM274)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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