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JPL Small-Body Database Browser
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152978 (2000 GJ147)
Classification: Apollo [NEO, PHA]          SPK-ID: 2152978
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 111 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2366616048841237 5.7392e-08  
a 1.162147716325445 2.5146e-09 au
q .8871119726674455 6.5227e-08 au
i 25.00720537890907 1.4376e-05 deg
node 57.87141243526155 8.6799e-06 deg
peri 240.796326497654 1.5281e-05 deg
M .754728335106426 1.9614e-05 deg
tp 2458599.540646684017
(2019-Apr-26.04064668)
2.4929e-05 TDB
period 457.604647512301
1.25
1.4852e-06
4.066e-09
d
yr
n .7867052967164689 2.5533e-09 deg/d
Q 1.437183459983444 3.1097e-09 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      5741 days (15.72 yr)  
   first obs. used      2000-04-13  
   last obs. used      2016-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47997  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-15 07:28:36  

Additional Information
 Earth MOID = .0256529 au 
 Jupiter MOID = 3.75588 au 
 T_jup = 5.310 
[ 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 19.6   n/a MPO338278  
diameter diameter 0.531 km 0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 13.22 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2016) Minor Planet Bull. 43, 143-154.]
geometric albedo albedo 0.109   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
SMASSII spectral type spec_B S:   n/a Binzel et al. (2004) Icarus 170, 259-294 SMASSIR data only, classification consistent with specified type, but uncertain

152978 (2000 GJ147)          Discovered 2000-Apr-13 by LONEOS at Anderson Mesa
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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