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154590 (2003 MA3)
Classification: Apollo [NEO, PHA]          SPK-ID: 2154590
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4021304547433693 6.3081e-08  
a 1.105177221310294 7.7884e-09 au
q .6607518027327725 6.9736e-08 au
i 1.415763953953926 3.9578e-06 deg
node 152.6706450545148 0.00027311 deg
peri 228.8547361599627 0.00027205 deg
M 115.6369975671843 1.7897e-05 deg
tp 2459260.185950131573
(2021-Feb-14.68595013)
1.9839e-05 TDB
period 424.3716023854952
1.16
4.486e-06
1.228e-08
d
yr
n .8483131245737301 8.9674e-09 deg/d
Q 1.549602639887816 1.092e-08 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] -7.471465619274135E-14 1.561E-14
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      115  
   data-arc span      7418 days (20.31 yr)  
   first obs. used      1998-01-29  
   last obs. used      2018-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49289  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:36:30  

Additional Information
 Earth MOID = .0131329 au 
 Jupiter MOID = 3.91026 au 
 T_jup = 5.552 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 21.7   n/a MPO224075  
diameter diameter 0.086 km 0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  
geometric albedo albedo 0.530   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2014ApJ...784..110M)  

154590 (2003 MA3)          Discovered 2003-Jun-26 by NEAT at Haleakala
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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