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JPL Small-Body Database Browser
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2542 Calpurnia (1980 CF)
Classification: Main-belt Asteroid          SPK-ID: 2002542
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07384548667465642 3.9845e-08  
a 3.129583757894081 1.8465e-08 au
q 2.898478122203293 1.2509e-07 au
i 4.621406055576726 4.1986e-06 deg
node 145.7048603988123 5.3027e-05 deg
peri 48.35515002150557 5.9996e-05 deg
M 355.2616264278843 2.7025e-05 deg
tp 2458627.116754094379
(2019-May-23.61675409)
0.00015177 TDB
period 2022.219508053219
5.54
1.7897e-05
4.9e-08
d
yr
n .1780222169583214 1.5755e-09 deg/d
Q 3.36068939358487 1.9829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2216  
   data-arc span      23688 days (64.85 yr)  
   first obs. used      1954-07-03  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43697  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 21:35:23  

Additional Information
 Earth MOID = 1.90092 au 
 Jupiter MOID = 1.60199 au 
 T_jup = 3.204 
[ 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 11.6   n/a MPO309166  
diameter diameter 20.854 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2542 Calpurnia (1980 CF)          Discovered 1980-Feb-11 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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-Nov-29 02:18 00:03 Jupiter 1.87228347938183 1.87228225457576 1.87228470418758 2.94564428135353 2.78783404496698 2421561.596117306 2.49658803877519 58.8502479048002 25.4788975761219 50.1660283850292 1571998.26598289 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
1928-Feb-07 13:08 00:02 Jupiter 1.59370760356654 1.59370718155244 1.59370802558128 2.12226391140669 1.85500555720361 2425284.047302489 2.2475730694407 139.870807137956 17.3838967454799 84.7172450617152 2383301.44621474 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
1938-Apr-25 16:51 00:02 Jupiter 1.80448463592736 1.80448373570215 1.80448553615325 2.80417581922851 2.63146439765931 2429014.202011263 1.9096496029122 85.4551269918633 16.864879349389 -71.6407027119087 2650886.23380344 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
2000-Sep-29 01:31 < 00:01 Jupiter 1.80123017661971 1.80122973806294 1.80123061517649 2.6601512777159 2.4770771999287 2451816.563404191 0.390881908781926 40.6913960126144 9.68412426088806 79.5227306438179 3028141.72191594 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
2010-Dec-08 23:15 < 00:01 Jupiter 1.59011681513909 1.59011642126201 1.590117209016 2.13069210949332 1.86399839300373 2455539.468516848 0.232013114164311 46.8138417985823 16.4748352220765 76.2531600792596 2375417.12315527 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
2021-Feb-26 15:49 < 00:01 Jupiter 1.86515526071016 1.86515478656778 1.86515573485254 3.02492623021345 2.8708742872127 2459272.159095208 0.349418816126039 41.1691205728261 16.0163962986406 -82.0765799122815 3107627.32944442 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
2083-Aug-01 12:51 00:02 Jupiter 1.74638630392121 1.74638542810866 1.74638717973386 2.44440981366012 2.23721043381184 2482073.035534174 1.9205814146011 67.9233510764684 7.31363128543833 74.5085620379393 2084442.48435322 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
2093-Oct-09 01:20 00:02 Jupiter 1.60803934923894 1.60803880818344 1.60803989029573 2.20177622738523 1.94790496262489 2485794.555417787 2.20223014299269 137.629626129965 16.5151117417782 89.140624402713 2427813.99338741 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
2104-Jan-01 04:10 00:02 Jupiter 1.94208363744898 1.94208224566497 1.94208502923333 3.30539205624676 3.17069935865363 2489529.673797081 2.38417693575326 89.8000030750056 24.572002172956 -53.9174047540306 2263284.93144158 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
2166-Jun-02 12:28 00:04 Jupiter 1.69364639574122 1.69364495857273 1.6936478329127 2.25520156930969 2.02131114548063 2512328.019119262 4.16243241723931 153.080590176772 1.54775432040482 80.4628407466315 2168697.70568197 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39
2176-Aug-10 18:26 00:04 Jupiter 1.63857129521754 1.63857008623468 1.63857250421139 2.31483756384723 2.07957159166324 2516050.268085669 4.39976483013427 253.220596254634 14.6990052419232 -86.7057848676918 2501794.223679 T 33 CATAB v2.0e-lin.ifort 2019-May-29 21:36:54 2019-May-29 21:39

Alternate Designations
 1980 CF = 1972 XN2 = 1976 OE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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