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249846 (2001 PU46)
Classification: Main-belt Asteroid          SPK-ID: 2249846
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813398797910034 7.1871e-08  
a 2.720052680555395 2.075e-08 au
q 2.226798654438283 1.9862e-07 au
i 11.96550284461022 9.0138e-06 deg
node 30.82687147544354 3.1834e-05 deg
peri 289.8299372870467 3.8856e-05 deg
M 74.97079279165851 1.9699e-05 deg
tp 2458659.264660026318
(2019-Jun-24.76466003)
9.0097e-05 TDB
period 1638.567738397901
4.49
1.875e-05
5.133e-08
d
yr
n .2197040693306873 2.514e-09 deg/d
Q 3.213306706672507 2.4513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6654 days (18.22 yr)  
   first obs. used      2001-08-13  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60477  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:47:23  

Additional Information
 Earth MOID = 1.24902 au 
 Jupiter MOID = 2.25581 au 
 T_jup = 3.304 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457599.5 (2016-Jul-30.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183113525222265 7.1972e-08  
q 2.220623652665081 1.993e-07 au
tp 2457022.089567707167
(2014-Dec-30.58956771)
9.3657e-05 TDB
node 30.8498267435887 3.1808e-05 deg
peri 289.9866272178803 3.8713e-05 deg
i 11.97574201550933 9.0242e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6654 days (18.22 yr)  
   first obs. used      2001-08-13  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60477  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:47:23  

Additional Information
 Jupiter MOID = 2.25581 au 
 T_jup = 3.304 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.179961830560601E-15 -1.42928121830306E-14 3.200478896214263E-12 1.416922115944776E-15 6.440666088929336E-13 -3.627435590711336E-14
q -1.42928121830306E-14 3.972083706971463E-14 -9.263443818352575E-12 -4.392198737621362E-15 -1.857698197224169E-12 1.010922974476515E-13
tp 3.200478896214263E-12 -9.263443818352575E-12 8.771687010099646E-9 9.759172205364219E-12 2.098993708315147E-9 -3.88548808566834E-11
node 1.416922115944776E-15 -4.392198737621362E-15 9.759172205364219E-12 1.011733071261631E-9 -9.864352775036273E-10 -1.383343274107273E-10
peri 6.440666088929336E-13 -1.857698197224169E-12 2.098993708315147E-9 -9.864352775036273E-10 1.498706491708754E-9 1.26873682479146E-10
i -3.627435590711336E-14 1.010922974476515E-13 -3.88548808566834E-11 -1.383343274107273E-10 1.26873682479146E-10 8.14370246939686E-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 16.4   n/a MPO494361  
diameter diameter 3.817 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249846 (2001 PU46)          Discovered 2001-Aug-13 by NEAT at Haleakala
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 PU46 = 2006 VD154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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