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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2318864046280511 7.8874e-08  
a 2.351534312105556 1.7325e-08 au
q 1.806245475111901 1.7902e-07 au
i 25.47775058100307 1.2242e-05 deg
node 67.14900460376813 1.4938e-05 deg
peri 104.5299121837799 3.274e-05 deg
M 186.0356160134465 3.1485e-05 deg
tp 2459636.977784590869
(2022-Feb-26.47778459)
0.0001203 TDB
period 1317.120189787948
3.61
1.4556e-05
3.985e-08
d
yr
n .2733235757762992 3.0205e-09 deg/d
Q 2.89682314909921 2.1342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      12614 days (34.54 yr)  
   first obs. used      1986-04-09  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:53  

Additional Information
 Earth MOID = .947538 au 
 Jupiter MOID = 2.41624 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456986.5 (2014-Nov-25.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2314249780497113 7.9234e-08  
q 1.807897391547056 1.7979e-07 au
tp 2457001.523505327254
(2014-Dec-10.02350533)
0.00010096 TDB
node 67.18082640080334 1.4934e-05 deg
peri 104.4912771119096 3.2766e-05 deg
i 25.47921251579731 1.2244e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      12614 days (34.54 yr)  
   first obs. used      1986-04-09  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:00:53  

Additional Information
 Jupiter MOID = 2.41624 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.278103798646735E-15 -1.421696804455801E-14 6.342864589605827E-12 -5.507908149793308E-14 1.79506408192763E-12 -1.222643310653322E-14
q -1.421696804455801E-14 3.232607668804619E-14 -1.410751459360599E-11 1.192060023155837E-13 -3.990293591188772E-12 3.313652280943118E-14
tp 6.342864589605827E-12 -1.410751459360599E-11 1.019351600814384E-8 -9.899516079031081E-11 2.978885407884543E-9 -9.442168724234654E-12
node -5.507908149793308E-14 1.192060023155837E-13 -9.899516079031081E-11 2.230273919142893E-10 -2.285945601651685E-10 -1.038288165588743E-10
peri 1.79506408192763E-12 -3.990293591188772E-12 2.978885407884543E-9 -2.285945601651685E-10 1.073602583755628E-9 9.179476467251872E-11
i -1.222643310653322E-14 3.313652280943118E-14 -9.442168724234654E-12 -1.038288165588743E-10 9.179476467251872E-11 1.499152263867793E-10

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2064-Mar-19 05:07 00:01 David 0.0498180615563244 0.049815035007724 0.0498210901212782 5.69393022657882 5.69393017332092 2474998.713111975 1.45147942330861 616.654543746293 82.9138968244053 78.0914260147139 87945.8201468918 T 10 CATAB v2.0f-lin.ifort 2020-Nov-12 21:00:54 2020-Nov-12 21:00

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