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102115 (1999 RZ168)
Classification: Main-belt Asteroid          SPK-ID: 2102115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1509461097898252 4.3993e-08  
a 2.287800999816928 5.6714e-09 au
q 1.94246633892129 9.9295e-08 au
i 2.309903337455461 3.3545e-06 deg
node 333.4534803294363 9.7843e-05 deg
peri 26.70746421176358 9.8421e-05 deg
M 44.50489355978966 1.1146e-05 deg
tp 2459044.246029804002
(2020-Jul-13.74602980)
3.9027e-05 TDB
period 1263.938069978504
3.46
4.6999e-06
1.287e-08
d
yr
n .2848240816151084 1.0591e-09 deg/d
Q 2.633135660712566 6.5275e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1574  
   data-arc span      8331 days (22.81 yr)  
   first obs. used      1998-03-29  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49793  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:30:35  

Additional Information
 Earth MOID = .937691 au 
 Jupiter MOID = 2.81363 au 
 T_jup = 3.584 
[ 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 15.44   n/a E2021B55  
rotation period rot_per 2.989 h n/a LCDB (Rev. 2020-October); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

102115 (1999 RZ168)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 RZ168 = 1998 FM143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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