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48177 (2001 HF27)
Classification: Main-belt Asteroid          SPK-ID: 2048177
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137033687130981 3.63e-08  
a 3.188558763855724 2.0334e-08 au
q 2.751618799810771 1.1379e-07 au
i 6.827750400987739 4.3132e-06 deg
node 48.63463995920198 3.9217e-05 deg
peri 207.9410470004652 4.309e-05 deg
M 102.2270827354403 1.762e-05 deg
tp 2458409.954272956752
(2018-Oct-18.45427296)
0.00010183 TDB
period 2079.649111045853
5.69
1.9894e-05
5.447e-08
d
yr
n .1731061254939091 1.6559e-09 deg/d
Q 3.625498727900676 2.3121e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-04-06  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:01:29  

Additional Information
 Earth MOID = 1.73924 au 
 Jupiter MOID = 1.43387 au 
 T_jup = 3.172 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456965.5 (2014-Nov-04.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375676847275556 3.597e-08  
q 2.750639813883663 1.1298e-07 au
tp 2456335.939737878561
(2013-Feb-12.43973788)
0.00010532 TDB
node 48.6598495517517 3.9211e-05 deg
peri 209.0939811162156 4.3104e-05 deg
i 6.829493915811661 4.3138e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      8976 days (24.57 yr)  
   first obs. used      1995-04-06  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54432  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:01:29  

Additional Information
 Jupiter MOID = 1.43387 au 
 T_jup = 3.172 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.293856562277887E-15 -4.014903238130464E-15 -1.575469206595031E-13 -2.281550796556356E-15 -3.18841560611246E-14 1.362393837047796E-16
q -4.014903238130464E-15 1.276345146929832E-14 1.91939560450795E-14 5.979806321803099E-15 3.836672107362408E-14 -1.725118477388583E-17
tp -1.575469206595031E-13 1.91939560450795E-14 1.109284041281668E-8 -4.666183911386389E-13 1.916239513246473E-9 -4.021833071094867E-12
node -2.281550796556356E-15 5.979806321803099E-15 -4.666183911386389E-13 1.537464381860788E-9 -1.526465236520209E-9 -2.284006704560099E-11
peri -3.18841560611246E-14 3.836672107362408E-14 1.916239513246473E-9 -1.526465236520209E-9 1.857920272227934E-9 2.20100086701576E-11
i 1.362393837047796E-16 -1.725118477388583E-17 -4.021833071094867E-12 -2.284006704560099E-11 2.20100086701576E-11 1.86092447208667E-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 13.9   n/a MPO436119  
diameter diameter 9.399 km 0.226 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48177 (2001 HF27)          Discovered 2001-Apr-27 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 HF27 = 1995 GR6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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