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48181 (2001 HW32)
Classification: Main-belt Asteroid          SPK-ID: 2048181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1036321582625516 3.885e-08  
a 2.758781992423944 1.4516e-08 au
q 2.472883460373189 1.0921e-07 au
i 3.446962148900522 4.3678e-06 deg
node 84.12117400796673 7.6315e-05 deg
peri 194.3923762032456 8.0412e-05 deg
M 48.93005782234841 2.3269e-05 deg
tp 2458973.017638054753
(2020-May-03.51763805)
0.00010878 TDB
period 1673.687993536044
4.58
1.321e-05
3.617e-08
d
yr
n .2150938534484069 1.6977e-09 deg/d
Q 3.0446805244747 1.6021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      8011 days (21.93 yr)  
   first obs. used      1998-11-11  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:06:52  

Additional Information
 Earth MOID = 1.45475 au 
 Jupiter MOID = 2.05513 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456909.5 (2014-Sep-09.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020575893249609 3.8985e-08  
q 2.476772504263723 1.0918e-07 au
tp 2457302.152350784635
(2015-Oct-06.65235078)
0.00011578 TDB
node 84.14685462524054 7.6242e-05 deg
peri 195.0467427939064 8.0453e-05 deg
i 3.44854906487136 4.3698e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      8011 days (21.93 yr)  
   first obs. used      1998-11-11  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:06:52  

Additional Information
 Jupiter MOID = 2.05513 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.519827681962804E-15 -4.226884664905415E-15 3.469404545998118E-13 5.326919544397935E-15 8.482123191614584E-14 -4.935424158550555E-16
q -4.226884664905415E-15 1.192119313945418E-14 -1.634734077638464E-12 -1.868709543483061E-14 -3.89953304182327E-13 1.495013498334827E-15
tp 3.469404545998118E-13 -1.634734077638464E-12 1.340407077608354E-8 2.394624962504465E-11 2.998121639819431E-9 6.348946527177652E-13
node 5.326919544397935E-15 -1.868709543483061E-14 2.394624962504465E-11 5.812903721744933E-9 -5.79670294577113E-9 -1.096931392717102E-11
peri 8.482123191614584E-14 -3.89953304182327E-13 2.998121639819431E-9 -5.79670294577113E-9 6.472639239608851E-9 1.107732059595737E-11
i -4.935424158550555E-16 1.495013498334827E-15 6.348946527177652E-13 -1.096931392717102E-11 1.107732059595737E-11 1.909514327298692E-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 14.69   n/a E2021B10  

48181 (2001 HW32)          Discovered 2001-Apr-24 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HW32 = 2000 BW17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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