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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2318704959018962 7.8727e-08  
a 2.352020334477221 1.7269e-08 au
q 1.806656213150644 1.787e-07 au
i 25.47549681185802 1.2034e-05 deg
node 67.15137813768145 1.4927e-05 deg
peri 104.4604789229201 3.2334e-05 deg
M 294.3457426092731 3.2176e-05 deg
tp 2459636.781551610811
(2022-Feb-26.28155161)
0.00011974 TDB
period 1317.528550587329
3.61
1.451e-05
3.973e-08
d
yr
n .2732388606224274 3.0093e-09 deg/d
Q 2.897384455803798 2.1273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      366  
   data-arc span      12660 days (34.66 yr)  
   first obs. used      1986-04-09  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52843  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:11  

Additional Information
 Earth MOID = .94873 au 
 Jupiter MOID = 2.41406 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 16.24   n/a MPCxxxxx  

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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