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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2648608896123754 1.7734e-08  
a 2.594475625166465 7.2363e-09 au
q 1.907300503007252 4.7518e-08 au
i 14.76725564561166 3.0933e-07 deg
node 128.3502590091384 4.2878e-06 deg
peri 282.7316041312243 3.8313e-06 deg
M 44.43848530629992 2.957e-06 deg
tp 2459012.078886509553
(2020-Jun-11.57888651)
1.208e-05 TDB
period 1526.415682015711
4.18
6.3861e-06
1.748e-08
d
yr
n .2358466335491269 9.8671e-10 deg/d
Q 3.281650747325679 9.153e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3154  
   data-arc span      33169 days (90.81 yr)  
   first obs. used      1930-05-29  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35603  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:38:00  

Additional Information
 Earth MOID = .979561 au 
 Jupiter MOID = 2.27558 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456965.5 (2014-Nov-04.0) TDB
Reference: JPL 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2646436112792221 1.7549e-08  
q 1.908077808164735 4.6911e-08 au
tp 2457481.236862255479
(2016-Apr-02.73686226)
1.0009e-05 TDB
node 128.6629201829877 4.291e-06 deg
peri 281.7640058063458 3.8309e-06 deg
i 14.75305638268221 3.1132e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3154  
   data-arc span      33169 days (90.81 yr)  
   first obs. used      1930-05-29  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .35603  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 17:38:00  

Additional Information
 Jupiter MOID = 2.27558 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.079805835784761E-16 -8.182628631140101E-16 -5.910378721164122E-14 3.556831208246878E-16 1.342307879212416E-14 2.326185919815644E-15
q -8.182628631140101E-16 2.200648044221516E-15 1.559889002091939E-13 -6.572372843132091E-16 -3.772875590578278E-14 -6.264306198370005E-15
tp -5.910378721164122E-14 1.559889002091939E-13 1.001751455039199E-10 1.610194502681927E-11 7.863654861461981E-12 -8.950669781639528E-13
node 3.556831208246878E-16 -6.572372843132091E-16 1.610194502681927E-11 1.841297346197215E-11 -1.182797559506011E-11 6.946257192784775E-13
peri 1.342307879212416E-14 -3.772875590578278E-14 7.863654861461981E-12 -1.182797559506011E-11 1.467566335128425E-11 -5.594432222406155E-13
i 2.326185919815644E-15 -6.264306198370005E-15 -8.950669781639528E-13 6.946257192784775E-13 -5.594432222406155E-13 9.691788489564869E-14

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.66   n/a MPCxxxxx 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

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