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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456651.5 (2013-Dec-25.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2649519735760666 3.5773e-08  
q 1.906828608787001 9.6182e-08 au
tp 2455954.824877074894
(2012-Jan-28.32487707)
4.0663e-05 TDB
node 128.6682781914823 1.492e-05 deg
peri 281.7599428893668 1.7135e-05 deg
i 14.75251641571004 4.015e-06 deg
  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
 Jupiter MOID = 2.27581 au 
 T_jup = 3.323 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.279722965046292E-15 -3.432351407045111E-15 -2.767535316174211E-13 -6.987805125921175E-16 -5.410911284572038E-14 1.094640358018964E-15
q -3.432351407045111E-15 9.250992556907693E-15 8.464226232493525E-13 2.330277177919578E-15 1.691670833663508E-13 -2.2071099530744E-15
tp -2.767535316174211E-13 8.464226232493525E-13 1.65349446871782E-9 -1.820820951831994E-12 3.600725396497874E-10 -5.366365981317276E-14
node -6.987805125921175E-16 2.330277177919578E-15 -1.820820951831994E-12 2.226023322015777E-10 -2.150437209438405E-10 -2.333552323150475E-12
peri -5.410911284572038E-14 1.691670833663508E-13 3.600725396497874E-10 -2.150437209438405E-10 2.935937309955538E-10 2.276145373272461E-12
i 1.094640358018964E-15 -2.2071099530744E-15 -5.366365981317276E-14 -2.333552323150475E-12 2.276145373272461E-12 1.612017764468946E-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 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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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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