Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
188 Menippe (A878 MA)
Classification: Main-belt Asteroid          SPK-ID: 2000188
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 66 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1793971795202192 3.7211e-08  
a 2.760638774359625 9.1877e-09 au
q 2.265387964565354 1.0526e-07 au
i 11.70492497738869 4.3213e-06 deg
node 240.8944599160431 1.9627e-05 deg
peri 70.17071914084913 2.2805e-05 deg
M 287.367048134652 1.3336e-05 deg
tp 2459338.521244242067
(2021-May-04.02124424)		 6.2726e-05 TDB
period 1675.377976551705
4.59		 8.3637e-06
2.29e-08		 d
yr
n .2148768845230728 1.0727e-09 deg/d
Q 3.255889584153897 1.0836e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2582  
   data-arc span      40801 days (111.71 yr)  
   first obs. used      1909-01-22  
   last obs. used      2020-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:25  

Additional Information
 Earth MOID = 1.2827 au 
 Jupiter MOID = 2.0784 au 
 T_jup = 3.288 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455938.5 (2012-Jan-12.0) TDB
Reference: JPL 66 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176087483984738 3.6858e-08  
q 2.275366410515018 1.04e-07 au
tp 2455978.188586622810
(2012-Feb-20.68858662)		 5.9597e-05 TDB
node 241.171461695775 1.9524e-05 deg
peri 68.69225688226194 2.2971e-05 deg
i 11.73376740157238 4.33e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      2582  
   data-arc span      40801 days (111.71 yr)  
   first obs. used      1909-01-22  
   last obs. used      2020-10-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42233  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:32:25  

Additional Information
 Jupiter MOID = 2.0784 au 
 T_jup = 3.288 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.358504482877017E-15 -3.82379396690212E-15 -2.173323521017734E-13 -8.918904424003735E-16 -4.103322853444764E-14 -3.234421014488219E-17
q -3.82379396690212E-15 1.081659512833839E-14 7.070351091208307E-13 1.783050090100292E-15 1.340251251532887E-13 1.915541176011284E-16
tp -2.173323521017734E-13 7.070351091208307E-13 3.551822088268023E-9 -5.875874593362784E-12 7.401722960312779E-10 1.866973157254196E-12
node -8.918904424003735E-16 1.783050090100292E-15 -5.875874593362784E-12 3.811954285034514E-10 -3.739761719342863E-10 2.585094227585801E-12
peri -4.103322853444764E-14 1.340251251532887E-13 7.401722960312779E-10 -3.739761719342863E-10 5.276729776983078E-10 -2.13451265274168E-12
i -3.234421014488219E-17 1.915541176011284E-16 1.866973157254196E-12 2.585094227585801E-12 -2.13451265274168E-12 1.874861924182494E-11

[ 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 9.4   n/a MPO473763 IRAS observations used: 20
diameter diameter 35.752 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.98 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Barucci, M.A.; Di Martino, M.; Dotto, E.; Fulchignoni, M.; et al. (1994) Icarus 109, 267-273.]
[Warner, B.D.; Higgins, D. (2010) Minor Planet Bull. 37, 143-144.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
geometric albedo albedo 0.242   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.891   0.034 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.26 deg.
U-B UB 0.386   0.052 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.26 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

188 Menippe (A878 MA)          Discovered 1878-Jun-18 by Peters, C. H. F. at Clinton
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
2034-Mar-08 07:57 < 00:01 Amphi 0.0494812506634269 0.0494793906361036 0.0494831107388809 6.1867261232262 6.18672610444724 2464029.831096960 0.462466631488675 124.271436769273 34.0689637487375 43.8050240513499 156385.228392977 T 66 CATAB v2.0f-lin.ifort 2020-Nov-13 04:32:33 2020-Nov-13 04:32

Alternate Designations
 A878 MA = 1948 WQ = A897 QA 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-19 16:09 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin