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2846 Ylppo (1942 CJ)
Classification: Outer Main-belt Asteroid          SPK-ID: 2002846
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07311803751819061 3.6435e-08  
a 3.224672514285574 1.8533e-08 au
q 2.988890788402164 1.1957e-07 au
i 11.42526786979834 4.2317e-06 deg
node 144.5009205747004 1.9743e-05 deg
peri 73.31547965625076 3.3938e-05 deg
M 53.49937731340137 2.8063e-05 deg
tp 2458286.179231840868
(2018-Jun-16.67923184)
0.00016447 TDB
period 2115.080253633954
5.79
1.8234e-05
4.992e-08
d
yr
n .1702063074824126 1.4673e-09 deg/d
Q 3.460454240168985 1.9888e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2182  
   data-arc span      28315 days (77.52 yr)  
   first obs. used      1942-02-12  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47825  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:27:35  

Additional Information
 Earth MOID = 2.00948 au 
 Jupiter MOID = 1.60199 au 
 T_jup = 3.153 
[ 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 11.4   n/a MPO347543  
diameter diameter 27.994 km 0.302 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 18.894 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.072   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2846 Ylppo (1942 CJ)          Discovered 1942-Feb-12 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
1904-Jul-30 03:17 00:04 Jupiter 1.75478955678896 1.7547886040487 1.75479050953869 3.26705469335372 3.11580852834324 2416691.636692181 3.64194762212727 230.362685789743 15.9154935930832 75.9898166991916 3184033.53232078 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
1916-Jan-27 08:22 00:03 Jupiter 1.71518237776458 1.71518181745395 1.71518293808086 3.47935239848678 3.33439901414011 2420889.848567759 2.90990835897615 214.217452745467 16.4980359750443 82.2759936808214 3213191.80520083 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
1927-Aug-01 02:46 00:02 Jupiter 1.70287792626225 1.70287754585315 1.70287830667135 3.68571488199342 3.54819408017646 2425093.615405154 2.33785667109048 187.931626104303 16.9720573465258 88.3231960416845 3372332.95333766 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
1939-Feb-03 14:17 00:02 Jupiter 1.72031502012726 1.72031454981975 1.72031549043654 3.8683443975187 3.73889807699344 2429298.095230038 1.90625873051614 156.952263859986 17.5847610436643 -86.2029748014818 3593787.87412121 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
1950-Aug-01 11:29 00:02 Jupiter 1.76918891479276 1.76918832912858 1.76918950045874 4.0325856834457 3.91206095667543 2433494.978527973 1.57024686523427 125.152779758411 18.4158757717887 -80.8921459903375 3876117.44818604 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
1962-Jan-14 01:24 00:01 Jupiter 1.8578980264115 1.85789739410928 1.85789865871466 4.18885932677011 4.07857023151184 2437678.558487573 1.28426577903362 93.9828451357212 19.5873245189146 -75.7617017730303 4237719.07021428 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
1973-Jun-12 22:32 00:01 Jupiter 1.98127099470451 1.98127039966159 1.98127158974777 4.33792930177768 4.23823090285859 2441846.438931806 1.01496046574288 67.0542546367521 20.9070734286014 -72.3675361904653 4651686.60294433 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
2143-Nov-27 06:57 00:03 Jupiter 1.9880212252441 1.98802032899441 1.9880221214938 3.56574108139052 3.44418106806555 2504104.789465177 3.12726774971055 69.6985152688665 27.9369268831544 -77.6766242802825 1545706.99752614 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
2155-Apr-21 19:31 00:03 Jupiter 1.9296221350097 1.92962119280317 1.92962307721633 3.06565924017372 2.91896405502365 2508268.313063418 3.47762946166581 67.5275137873902 18.5817382520561 72.0653874002484 1551944.3696824 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
2166-Sep-17 10:23 00:04 Jupiter 1.8740859219693 1.87408494839436 1.87408689554733 2.73789757849451 2.56751860611998 2512434.932788944 3.81014788217132 147.435620272068 15.4595073286776 79.0693495808141 3164090.09182139 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
2178-Feb-21 17:21 00:04 Jupiter 1.82529159840281 1.8252906286676 1.82529256814434 2.69517166808921 2.51711238497385 2516610.223174486 4.09881142677258 198.534849493324 11.7183212877304 74.9368599209076 3424322.66651748 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27
2189-Aug-06 21:01 00:04 Jupiter 1.78447083071739 1.78446994535935 1.78447171608477 2.88631939005526 2.71689406396135 2520794.375427998 4.38381689764799 238.851361374649 14.3936510508805 75.0968163103526 3016617.19410881 T 31 CATAB v2.0f-lin.ifort 2019-Sep-23 19:27:44 2019-Sep-23 19:27

Alternate Designations
 1942 CJ = 1968 TK = 1971 BT1 = 1972 JN1 = 1974 UG = 1975 XK5 = 1979 OE13 = 1979 QB6 = 1979 QF8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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