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1678 Hveen (1940 YH)
Classification: Main-belt Asteroid          SPK-ID: 2001678
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101037981256834 3.5147e-08  
a 3.158218909373507 1.3534e-08 au
q 2.810487012139131 1.1116e-07 au
i 10.19573692065392 4.623e-06 deg
node 351.5733633138603 1.9374e-05 deg
peri 121.2834842624949 2.9773e-05 deg
M 37.39299059837958 2.0545e-05 deg
tp 2458787.563814139232
(2019-Oct-31.06381414)
0.00011705 TDB
period 2050.037338099365
5.61
1.3178e-05
3.608e-08
d
yr
n .1756065576511714 1.1288e-09 deg/d
Q 3.505950806607884 1.5024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2660  
   data-arc span      36963 days (101.20 yr)  
   first obs. used      1919-04-02  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:34:55  

Additional Information
 Earth MOID = 1.84314 au 
 Jupiter MOID = 1.60681 au 
 T_jup = 3.172 
[ 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 11.0   n/a MPO502169  
diameter diameter 42.665 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.987 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Carbognani, A. (2014). Minor Planet Bull. 41, 265-270.]
geometric albedo albedo 0.035   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1678 Hveen (1940 YH)          Discovered 1940-Dec-28 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
1928-May-01 23:55 00:02 Jupiter 1.88768551961634 1.88768445827869 1.88768658095399 3.95675109306233 3.84167412945732 2425368.496362055 1.9230119212442 59.8552432394125 49.1540927309282 -69.733225545274 2636002.84535647 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35
1939-Jan-12 13:48 00:02 Jupiter 1.65642874109715 1.65642823630522 1.65642924588965 3.54105486508551 3.39357632678748 2429276.074810633 1.58108677979904 159.6646394794 20.2459755779588 87.1018910635077 2592174.5938101 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35
1949-Sep-28 00:22 00:01 Jupiter 1.74354053401715 1.74353990496797 1.74354116306683 2.90871415155814 2.73660482040188 2433187.515384599 1.40027740216515 84.2060436702569 20.9175207150737 70.0258021864017 2761022.14200509 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35
2046-Mar-19 07:02 < 00:01 Jupiter 1.69597827554037 1.69597776201641 1.69597878906433 3.63413407046239 3.49400491429031 2468423.792983266 0.669676881625061 120.9466978922 22.8857490906787 89.3298381301911 2863435.34318607 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35
2056-Dec-07 02:59 < 00:01 Jupiter 1.67266879286047 1.67266827767351 1.6726693080477 3.20637305227235 3.04434696287706 2472339.624049430 0.927426235850883 104.606203541257 19.1465551028125 81.2901532283696 2892995.67099617 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35
2067-Aug-01 03:42 00:01 Jupiter 1.93275748414775 1.93275665234093 1.93275831595467 2.66992106397604 2.50039741511657 2476228.654158348 1.30357110298543 53.9204526502559 26.9095672278531 50.9012680655434 3355667.43243418 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35
2153-May-24 13:08 00:03 Jupiter 1.76959212288831 1.76959062120444 1.76959362457408 3.62272472398812 3.48809779623849 2507571.047077191 2.99166736808225 145.547692478636 47.1038127823847 66.627604627239 2426799.384666 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35
2164-Feb-07 14:04 00:03 Jupiter 1.62914300651794 1.62914249736229 1.62914351567406 3.38772817468013 3.23061357125767 2511482.086140339 3.07216624335086 163.453986131071 23.8540901357024 86.4258761337478 2709313.42152185 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35
2174-Oct-18 01:52 00:04 Jupiter 1.82988878311047 1.82988691762916 1.8298906485951 2.9078285542706 2.74403042455179 2515387.577563191 3.60365149002347 162.186662318537 24.3033816908172 51.9433367515638 3096678.65940314 T 29 CATAB v2.0f-lin.ifort 2020-Jun-23 15:35:08 2020-Jun-23 15:35

Alternate Designations
 1940 YH = 1951 YD1 = A919 GA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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