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1567 Alikoski (1941 HN)
Classification: Outer Main-belt Asteroid          SPK-ID: 2001567
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 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08274219086842777 3.8917e-08  
a 3.212689101101909 1.6925e-08 au
q 2.946864166297617 1.2709e-07 au
i 17.27474949311913 5.0704e-06 deg
node 51.45091533659741 1.3282e-05 deg
peri 110.6645254551337 3.2294e-05 deg
M 306.4845936046576 2.9996e-05 deg
tp 2459313.163945438278
(2021-Apr-08.66394544)
0.00017588 TDB
period 2103.301234905248
5.76
1.6621e-05
4.551e-08
d
yr
n .1711595058404545 1.3525e-09 deg/d
Q 3.478514035906201 1.8325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2606  
   data-arc span      29958 days (82.02 yr)  
   first obs. used      1938-10-15  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:17:42  

Additional Information
 Earth MOID = 2.00145 au 
 Jupiter MOID = 1.62704 au 
 T_jup = 3.115 
[ 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 9.7   n/a MPO502168 IRAS observations used: 12
diameter diameter 69.242 km 0.432 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 16.405 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2004) Minor Planet Bull. 31, 60-61.]
geometric albedo albedo 0.059   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.720   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=1.79, mean=4.59, max.=8.72) deg.
Tholen spectral type spec_T PU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 1 color indices; used ground-based radiometric albedo
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1567 Alikoski (1941 HN)          Discovered 1941-Apr-22 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
2060-Jan-27 01:50 00:01 Jupiter 1.82880497225495 1.82880429674679 1.82880564776769 5.11740788734869 5.02608703831663 2473485.576444656 1.04068044787992 180.459415204598 16.9384382817754 -80.834620907521 3652188.02857508 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:49 2020-Nov-13 04:17
2071-Jun-10 17:31 00:01 Jupiter 1.6987991056217 1.69879858891147 1.69879962233744 5.00950212723183 4.90896221759118 2477638.229922797 1.28292807142693 218.430692694173 16.2429144809342 -85.0248316113435 3434205.940642 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:49 2020-Nov-13 04:17
2082-Nov-06 09:52 00:02 Jupiter 1.66568767613657 1.66568719420597 1.66568815806718 4.79944844319615 4.69230017641298 2481804.911113228 1.62912122637814 217.658969119921 23.7678851833195 -89.6296468643226 3314552.25357976 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:49 2020-Nov-13 04:17
2094-Apr-02 21:20 00:02 Jupiter 1.72077388797259 1.72077288760302 1.72077488834254 4.45612050661867 4.34425402266184 2485970.389216167 2.16901232776708 237.553309569599 51.25955097814 -87.0115597118434 3481502.82599108 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:49 2020-Nov-13 04:17
2105-Aug-07 13:00 00:03 Jupiter 1.85294692406889 1.85294525453255 1.85294859373089 3.87177516596474 3.75185277518372 2490114.041719396 3.01568622714745 928.193544759234 45.5528491887605 -84.8949630046256 3474003.6991332 T 41 CATAB v2.0f-lin.ifort 2020-Nov-13 04:17:49 2020-Nov-13 04:17

Alternate Designations
 1941 HN = 1947 HE = 1947 HG = 1948 OC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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