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85471 Maryam (1997 LD4)
Classification: Main-belt Asteroid          SPK-ID: 2085471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2315027982713483 8.1514e-08  
a 2.352784769115375 1.7687e-08 au
q 1.808108511334958 1.8599e-07 au
i 25.47973102786231 1.6628e-05 deg
node 67.15924120852382 1.5009e-05 deg
peri 104.6488200815907 4.1116e-05 deg
M 76.6043861895572 3.5907e-05 deg
tp 2458320.006460183189
(2018-Jul-20.50646018)
0.00013002 TDB
period 1318.17092149506
3.61
1.4864e-05
4.07e-08
d
yr
n .2731057058910772 3.0797e-09 deg/d
Q 2.897461026895792 2.1782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      11599 days (31.76 yr)  
   first obs. used      1986-04-09  
   last obs. used      2018-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53304  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-05 22:06:06  

Additional Information
 Earth MOID = .949101 au 
 Jupiter MOID = 2.41535 au 
 T_jup = 3.393 
[ 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 16.2   n/a MPO337903  

85471 Maryam           Discovered 1997 June 4 at Needville.
Maryam is a composite name in honor of Martin R. Pepper (b. 1976), Ryan D. Pepper (b. 1977) and Amber D. Pepper (b. 1980), children of one of the discoverers of this minor planet.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060413/MPCPages.arcLast Updated: 2006-04-17

[ show close-approach data ]
Alternate Designations
 1997 LD4 = 1999 XA136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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