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22674 (1998 QF39)
Classification: Main-belt Asteroid          SPK-ID: 2022674
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08492148257356495 4.1579e-08  
a 2.864207573683331 1.5403e-08 au
q 2.62097482012771 1.1886e-07 au
i 10.33566479290451 5.1067e-06 deg
node 150.9138615427989 2.3557e-05 deg
peri 80.43408472769276 3.6741e-05 deg
M 314.4525017218348 2.8026e-05 deg
tp 2459424.509887212029
(2021-Jul-29.00988721)
0.0001381 TDB
period 1770.537624346093
4.85
1.4282e-05
3.91e-08
d
yr
n .2033280711179225 1.6401e-09 deg/d
Q 3.107440327238953 1.6711e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1393  
   data-arc span      16103 days (44.09 yr)  
   first obs. used      1977-02-19  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53701  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:21:14  

Additional Information
 Earth MOID = 1.63508 au 
 Jupiter MOID = 1.94027 au 
 T_jup = 3.271 
[ 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 14.10   n/a MPCxxxxx  
diameter diameter 9.305 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.3452 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.051   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22674 (1998 QF39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20010309/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
1917-Feb-26 11:02 00:02 Jupiter 1.96623205093102 1.96623138536946 1.96623271649437 2.81142878513551 2.65378269455535 2421285.959799095 2.36036470375307 126.091991019458 12.7447897585552 73.8016149027678 2552158.8312985 T 28 CATAB v2.0g-lin.ifort 2021-May-04 03:21:20 2021-May-04 03:21
1999-Jan-28 01:34 < 00:01 Jupiter 1.95717925229523 1.95717881452213 1.95717969006834 3.72477641179323 3.60671664598495 2451206.565253505 0.408009479078512 42.7045601067125 18.6281794895475 87.3315963563547 2707663.13165523 T 28 CATAB v2.0g-lin.ifort 2021-May-04 03:21:20 2021-May-04 03:21
2023-Oct-11 01:59 < 00:01 Jupiter 1.95549231628344 1.95549186930572 1.95549276326116 2.86030404270359 2.70463272539697 2460228.582640099 0.29985183331552 40.9925628045579 13.8315172694526 81.0656821132019 2488571.23654302 T 28 CATAB v2.0g-lin.ifort 2021-May-04 03:21:20 2021-May-04 03:21
2105-Sep-13 17:26 00:02 Jupiter 1.98462376057188 1.98462307156562 1.98462444958096 3.87406637967399 3.76228724840615 2490151.226115564 2.05909964727991 160.08551060813 19.2813286770003 -82.8733426233041 2781721.58291893 T 28 CATAB v2.0g-lin.ifort 2021-May-04 03:21:20 2021-May-04 03:21
2130-May-25 05:03 00:03 Jupiter 1.94723452904704 1.94723406005799 1.94723499803676 2.9306098120742 2.7782186817757 2499170.710419088 2.7853417953315 168.866158646977 14.6816453195721 81.3652639447614 2258938.41620824 T 28 CATAB v2.0g-lin.ifort 2021-May-04 03:21:20 2021-May-04 03:21

Alternate Designations
 1998 QF39 = 1977 DY9 = 1999 XG234 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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