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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 ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2647003578957269 3.5774e-08  
a 2.593931495053815 9.8659e-09 au
q 1.907316899956072 9.6137e-08 au
i 14.76715991144359 4.0182e-06 deg
node 128.3509672242576 1.4894e-05 deg
peri 282.7277160900715 1.7124e-05 deg
M 357.2714430930088 1.1945e-05 deg
tp 2459012.065560784987
(2020-Jun-11.56556079)
5.0673e-05 TDB
period 1525.935512624617
4.18
8.7058e-06
2.384e-08
d
yr
n .2359208479136828 1.346e-09 deg/d
Q 3.280546090151558 1.2477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2673  
   data-arc span      32729 days (89.61 yr)  
   first obs. used      1930-05-29  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:51:46  

Additional Information
 Earth MOID = .980229 au 
 Jupiter MOID = 2.27581 au 
 T_jup = 3.323 
[ 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 10.6   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. 2019-August); 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

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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
2158-Apr-18 12:00 00:06 Hebe 0.0365128577716598 0.0364976798250874 0.0365280379922238 2.60635688202323 2.60635681669847 2509361.000060123 6.45438545596809 881.099667188783 32.5067653666903 -30.9949671976028 86563.6146212927 T 41 CATAB v2.0f-lin.ifort 2020-Jan-28 17:52:19 2020-Jan-28 17:52

Alternate Designations
 1929 AJ = 1948 PU = 2019 HA5 = A906 OA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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