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55860 (1997 BQ6)
Classification: Main-belt Asteroid          SPK-ID: 2055860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1212748286424119 3.9184e-08  
a 3.19701380654301 2.13e-08 au
q 2.809296504987082 1.2164e-07 au
i .9045936416151377 4.8167e-06 deg
node 57.8709854465846 0.00026758 deg
peri 98.26108156034968 0.00026831 deg
M 82.17150643854174 1.9158e-05 deg
tp 2458919.922052302074
(2020-Mar-11.42205230)
0.00011051 TDB
period 2087.926443207825
5.72
2.0866e-05
5.713e-08
d
yr
n .1724198671706591 1.7231e-09 deg/d
Q 3.584731108098939 2.3883e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      10661 days (29.19 yr)  
   first obs. used      1992-05-01  
   last obs. used      2021-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54512  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:57:56  

Additional Information
 Earth MOID = 1.81992 au 
 Jupiter MOID = 1.40025 au 
 T_jup = 3.183 
[ 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 15.20   n/a E2021B10  
diameter diameter 5.571 km 0.886 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 11.85 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.039   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

55860 (1997 BQ6)          Discovered 1997-Jan-31 by Sarounova, L. at Ondrejov
Reference: 20030318/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
1902-Sep-22 14:01 00:03 Jupiter 1.55571015927691 1.55570891571676 1.55571140284024 1.75165148296523 1.40689807756684 2416015.084209693 3.12491916122187 187.62482805681 33.7343898350327 73.3872121947231 2270733.6748667 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
1913-Nov-02 09:41 00:03 Jupiter 1.76755622774098 1.76755464735359 1.76755780812726 2.42802225740845 2.221909372046 2420073.903351338 2.82818692037008 61.2784848142391 29.2126900913795 -68.990292013456 1067465.98499273 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
2024-Jul-26 07:16 < 00:01 Jupiter 1.8710107181794 1.87101022415127 1.87101121220752 3.16531382280523 3.0189061823121 2460517.802899855 0.392224540436164 37.4287956856199 16.9814693299726 -89.7193548289455 2829050.64884395 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
2035-Aug-16 08:24 < 00:01 Jupiter 1.62316860831978 1.62316804945214 1.62316916718706 2.1517147524896 1.89372936554315 2464555.850289679 0.781870953468206 57.6241367375808 6.67455492391203 -89.2963400354421 1946834.54595097 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
2046-Oct-01 17:38 00:01 Jupiter 1.46922594374874 1.46922549487076 1.4692263926263 1.58718144861103 1.16881402595554 2468620.234492636 1.24827024263676 129.670549380354 89.1213142494896 80.8717794570955 1905275.02045151 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
2057-Dec-11 17:55 00:02 Jupiter 1.44471352219363 1.44471301208724 1.44471403230486 1.47984624042001 1.00864410433838 2472709.246411710 1.87456662958024 236.486869990218 112.060237840866 65.7008919748675 2352596.22525537 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
2069-Feb-14 08:08 00:03 Jupiter 1.54468349051758 1.54468221747595 1.54468476356306 1.76192642422838 1.41693005651209 2476791.839135090 2.70196375959923 195.869691988718 33.0527930256833 73.9848486717484 2333057.03763326 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
2080-Mar-24 16:39 00:04 Jupiter 1.75825696597584 1.75825486234992 1.75825906960016 2.47118163971764 2.26787542064992 2480848.193410831 3.49652389655793 87.4268543220792 29.2713021166656 -60.7042059324283 1058000.08357491 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
2190-Dec-08 19:36 00:07 Jupiter 1.86437767717198 1.86437346092428 1.86438189341502 3.06541182178329 2.913436339689 2521283.316427657 6.91109943005778 155.179489784578 38.4785902526202 15.3723253165894 503527.535635984 T 24 CATAB v2.0g-lin.ifort 2021-Aug-25 21:57:58 2021-Aug-25 21:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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