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46850 (1998 QO37)
Classification: Main-belt Asteroid          SPK-ID: 2046850
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2186084389485948 4.3774e-08  
a 2.536813654222644 1.0509e-08 au
q 1.982244781369551 1.1341e-07 au
i 6.444599314786087 4.0715e-06 deg
node 181.8677799599285 4.0036e-05 deg
peri 75.1762777019144 4.1816e-05 deg
M 292.3437122734019 1.3688e-05 deg
tp 2459673.855600967256
(2022-Apr-04.35560097)
5.6742e-05 TDB
period 1475.812813610199
4.04
9.1707e-06
2.511e-08
d
yr
n .2439333746665011 1.5158e-09 deg/d
Q 3.091382527075736 1.2807e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      9737 days (26.66 yr)  
   first obs. used      1994-09-11  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:26:09  

Additional Information
 Earth MOID = .979611 au 
 Jupiter MOID = 1.99574 au 
 T_jup = 3.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457123.5 (2015-Apr-11.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190869934683521 4.3696e-08  
q 1.980558699261731 1.1327e-07 au
tp 2456723.301237792976
(2014-Mar-06.80123779)
5.2634e-05 TDB
node 181.9016377803099 4.0023e-05 deg
peri 75.22404016145323 4.1798e-05 deg
i 6.445763640932424 4.0733e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1251  
   data-arc span      9737 days (26.66 yr)  
   first obs. used      1994-09-11  
   last obs. used      2021-05-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:26:09  

Additional Information
 Jupiter MOID = 1.99574 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.909383968506061E-15 -4.937308861617107E-15 1.407909902908565E-12 -2.298823690692971E-14 3.132354480799179E-13 -2.061991210797568E-15
q -4.937308861617107E-15 1.282906710183909E-14 -3.549951214028343E-12 5.790461367172215E-14 -7.860325792568885E-13 5.543954541051213E-15
tp 1.407909902908565E-12 -3.549951214028343E-12 2.770300567145827E-9 -2.089385539300066E-11 6.594396521314489E-10 -3.931468781343358E-12
node -2.298823690692971E-14 5.790461367172215E-14 -2.089385539300066E-11 1.601868352950028E-9 -1.596358825916399E-9 -6.778959870702946E-11
peri 3.132354480799179E-13 -7.860325792568885E-13 6.594396521314489E-10 -1.596358825916399E-9 1.747093059143298E-9 6.654650171704599E-11
i -2.061991210797568E-15 5.543954541051213E-15 -3.931468781343358E-12 -6.778959870702946E-11 6.654650171704599E-11 1.659174955593925E-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 14.98   n/a MPCxxxxx  
diameter diameter 2.539 km 0.074 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.329   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46850 (1998 QO37)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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