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JPL Small-Body Database Browser
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285540 (2000 GU127)
Classification: Apollo [NEO]          SPK-ID: 2285540
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7268993825066659 6.3984e-08  
a 2.104997910998212 8.7212e-09 au
q .5748762293157901 1.3255e-07 au
i 8.487739454060485 9.2275e-06 deg
node 171.9699815533386 5.4071e-05 deg
peri 138.8004062393824 5.7539e-05 deg
M 57.74733859305148 1.2928e-05 deg
tp 2458421.560836194847
(2018-Oct-30.06083620)
3.8978e-05 TDB
period 1115.516325762001
3.05
6.9325e-06
1.898e-08
d
yr
n .3227205121844243 2.0056e-09 deg/d
Q 3.635119592680634 1.5061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      6867 days (18.80 yr)  
   first obs. used      2000-04-07  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5351  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-31 08:15:39  

Additional Information
 Earth MOID = .108303 au 
 Jupiter MOID = 1.74446 au 
 T_jup = 3.336 
[ 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 18.5   n/a MPO248598  
rotation period rot_per 24. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 lower-limit; Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2000) http://www.asu.cas.cz/~ppravec/neo.htm]
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

285540 (2000 GU127)          Discovered 2000-Apr-07 by LONEOS at Anderson Mesa
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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