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71401 (2000 AL170)
Classification: Main-belt Asteroid          SPK-ID: 2071401
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1907849098701961 3.8322e-08  
a 2.752078454235093 1.4705e-08 au
q 2.227023414388142 1.0814e-07 au
i 9.201342088344857 4.9239e-06 deg
node 152.7008405301705 2.9845e-05 deg
peri 280.6001230254235 3.3358e-05 deg
M 175.387564554771 1.383e-05 deg
tp 2458188.070024088409
(2018-Mar-10.57002409)
6.2508e-05 TDB
period 1667.591382950284
4.57
1.3365e-05
3.659e-08
d
yr
n .2158802232253635 1.7302e-09 deg/d
Q 3.277133494082044 1.751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8811 days (24.12 yr)  
   first obs. used      1996-03-12  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58446  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:44:40  

Additional Information
 Earth MOID = 1.26375 au 
 Jupiter MOID = 2.07323 au 
 T_jup = 3.300 
[ show covariance matrix ]

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 15.1   n/a MPO296646  
diameter diameter 5.848 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71401 (2000 AL170)          Discovered 2000-Jan-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2000-Mar-26 17:08 00:01 Hebe 0.0494088568664679 0.049407858205371 0.0494098555367051 3.32391583548039 3.32391579762718 2451630.213551088 1.17157416440371 115.498997305916 47.1225219198494 -81.2723244050045 155200.744927679 T 22 CATAB v2.0f-lin.ifort 2020-May-20 13:44:55 2020-May-20 13:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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