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2291 Kevo (1941 FS)
Classification: Main-belt Asteroid          SPK-ID: 2002291
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06497340336830051 3.438e-08  
a 3.042930596361247 1.5579e-08 au
q 2.845221039302124 1.0608e-07 au
i 24.49544270920299 4.4527e-06 deg
node 169.4814671296331 8.3074e-06 deg
peri 296.2874994849067 3.3621e-05 deg
M 50.02951306208512 3.1799e-05 deg
tp 2458731.061115048827
(2019-Sep-04.56111505)
0.00017148 TDB
period 1938.815563966224
5.31
1.4889e-05
4.076e-08
d
yr
n .1856803744981034 1.4259e-09 deg/d
Q 3.240640153420369 1.6591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2710  
   data-arc span      40599 days (111.15 yr)  
   first obs. used      1909-04-22  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:43:28  

Additional Information
 Earth MOID = 1.91906 au 
 Jupiter MOID = 1.85484 au 
 T_jup = 3.099 
[ 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 10.8   n/a MPO324326  
diameter diameter 41.429 km 0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.63 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2017) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.049   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2291 Kevo (1941 FS)          Discovered 1941-Mar-19 by Oterma, L. 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
1927-Nov-18 20:14 00:02 Jupiter 1.91861701198807 1.91861613917417 1.91861788481657 7.00984635277467 6.9465815170961 2425203.342880269 1.6663944548801 293.713873272614 17.3003564802705 82.1676803089824 5484994.20396897 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:43:40 2020-Jun-23 15:43
2033-Nov-11 15:00 < 00:01 Jupiter 1.8924753770371 1.89247497204698 1.89247578202723 6.89786426785302 6.83267032213679 2463913.124682308 0.399676409995199 82.5069901704141 19.3390235677806 -86.4611935076064 5152492.05319296 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:43:40 2020-Jun-23 15:43
2081-Nov-18 05:39 00:01 Jupiter 1.87968517713057 1.87968460487842 1.8796857493904 7.00360956498625 6.93897025757306 2481451.735505277 1.31244493760467 243.089981499826 17.2862687613547 84.6842833854787 5337788.04471599 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:43:40 2020-Jun-23 15:43
2187-Nov-12 16:00 00:03 Jupiter 1.9312528580107 1.93125090187034 1.93125481420925 6.81918593494115 6.75456310152667 2520161.166544968 3.39288809115584 552.995160971868 21.3104670227213 -79.9858563986968 5070381.16992797 T 37 CATAB v2.0f-lin.ifort 2020-Jun-23 15:43:40 2020-Jun-23 15:43

Alternate Designations
 1941 FS = 1938 RC = 1967 EO = 1970 TD = 1975 RT1 = 1978 GT2 = 1980 PE = A909 HC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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