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 ]  
1127 Mimi (1929 AJ)
Classification: Main-belt Asteroid          SPK-ID: 2001127
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2648608895336002 1.7826e-08  
a 2.594475625360381 7.2506e-09 au
q 1.907300503354187 4.7792e-08 au
i 14.76725564326873 3.0975e-07 deg
node 128.3502589735228 4.2854e-06 deg
peri 282.731604120723 3.8314e-06 deg
M 44.43848528702134 2.963e-06 deg
tp 2459012.078886570170
(2020-Jun-11.57888657)
1.2102e-05 TDB
period 1526.415682186842
4.18
6.3986e-06
1.752e-08
d
yr
n .2358466335226854 9.8865e-10 deg/d
Q 3.281650747366576 9.171e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3159  
   data-arc span      33162 days (90.79 yr)  
   first obs. used      1930-05-29  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:01:46  

Additional Information
 Earth MOID = .979561 au 
 Jupiter MOID = 2.27558 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456982.5 (2014-Nov-21.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2646309810273796 1.764e-08  
q 1.908129644910182 4.718e-08 au
tp 2457481.241880985599
(2016-Apr-02.74188099)
1.0009e-05 TDB
node 128.6628794013292 4.2887e-06 deg
peri 281.7627549001124 3.8311e-06 deg
i 14.75306867572412 3.1173e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3159  
   data-arc span      33162 days (90.79 yr)  
   first obs. used      1930-05-29  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35586  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:01:46  

Additional Information
 Jupiter MOID = 2.27558 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.111624414293607E-16 -8.27245992615985E-16 -5.954463425856999E-14 4.324668970991164E-16 1.360086985579556E-14 2.357223346596637E-15
q -8.27245992615985E-16 2.225950061986075E-15 1.572917685253287E-13 -8.555027141082992E-16 -3.822303909902405E-14 -6.350998012368003E-15
tp -5.954463425856999E-14 1.572917685253287E-13 1.001736496077459E-10 1.60616034620012E-11 7.838939560685544E-12 -9.008195514414915E-13
node 4.324668970991164E-16 -8.555027141082992E-16 1.60616034620012E-11 1.839298550631087E-11 -1.181550585423649E-11 6.943774181476868E-13
peri 1.360086985579556E-14 -3.822303909902405E-14 7.838939560685544E-12 -1.181550585423649E-11 1.4677313817667E-11 -5.573634758279535E-13
i 2.357223346596637E-15 -6.350998012368003E-15 -9.008195514414915E-13 6.943774181476868E-13 -5.573634758279535E-13 9.717466835710972E-14

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 10.6   n/a MPO492763 IRAS observations used: 26
diameter diameter 46.006 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.749 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Menke, J. (2005) Minor Planet Bull. 32, 64-66.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2018) Icarus 309, 297-337.]
geometric albedo albedo 0.034   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.700   0.042 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=11.07, mean=11.07, max.=11.08) deg.
U-B UB 0.300   0.045 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=11.07, mean=11.07, max.=11.08) deg.
Tholen spectral type spec_T CX   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices

1127 Mimi (1929 AJ)          Discovered 1929-Jan-13 by Arend, S. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1929 AJ = 1948 PU = 2019 HA5 = A906 OA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-13 20:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin