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JPL Small-Body Database Browser
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54789 (2001 MZ7)
Classification: Amor [NEO]          SPK-ID: 2054789
[ 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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 476 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2870786500329648 3.7718e-08  
a 1.776226114287387 4.4342e-09 au
q 1.266309519244465 6.9054e-08 au
i 24.46284221482046 4.3317e-06 deg
node 130.0895000663833 8.1497e-06 deg
peri 19.95059560401415 1.1653e-05 deg
M 312.7484971508082 9.3332e-06 deg
tp 2458713.990348147817
(2019-Aug-18.49034815)		 2.2759e-05 TDB
period 864.660865149874
2.37		 3.2378e-06
8.865e-09		 d
yr
n .4163482059958852 1.5591e-09 deg/d
Q 2.286142709330309 5.7072e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2826  
   data-arc span      14686 days (40.21 yr)  
   first obs. used      1978-10-25  
   last obs. used      2019-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3923  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-15 07:00:45  

Additional Information
 Earth MOID = .293261 au 
 Jupiter MOID = 2.76511 au 
 T_jup = 3.948 
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[ 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 15.0   n/a MPO347891  
diameter diameter 1.567 km 0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 37.57 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; et al. (2005) Icarus 173, 108-131.]
geometric albedo albedo 0.856   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

54789 (2001 MZ7)          Discovered 2001-Jun-21 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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