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100756 (1998 FM5)
Classification: Apollo [NEO]          SPK-ID: 2100756
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 163 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5531950875950327 3.7097e-08  
a 2.268264441567488 4.4625e-09 au
q 1.013471695125864 8.496e-08 au
i 11.54644525226926 6.3374e-06 deg
node 176.5939181704134 1.572e-05 deg
peri 311.9124337340442 1.628e-05 deg
M 190.7309618029982 7.2097e-06 deg
tp 2459587.197151343093
(2022-Jan-07.69715134)
2.6626e-05 TDB
period 1247.782682132913
3.42
3.6823e-06
1.008e-08
d
yr
n .288511777855924 8.5142e-10 deg/d
Q 3.523057188009113 6.9312e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1005  
   data-arc span      11812 days (32.34 yr)  
   first obs. used      1988-04-20  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51132  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-23 06:57:07  

Additional Information
 Earth MOID = .0973126 au 
 Jupiter MOID = 1.68227 au 
 T_jup = 3.372 
[ 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 MPO422319  
diameter diameter 1.809 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 6.369 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (1998) http://www.asu.cas.cz/~ppravec/neo.htm]
[Krugly, Yu.N.; Bel'skaya, I.N.; Shevchenko, V.G.; et al. (2002) Icarus 158, 294-304.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 115-127.]
geometric albedo albedo 0.163   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

100756 (1998 FM5)          Discovered 1998-Mar-24 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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