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18048 (1999 RG170)
Classification: Main-belt Asteroid          SPK-ID: 2018048
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06830930396768307 3.9146e-08  
a 3.194365696554731 1.6649e-08 au
q 2.976160799204834 1.2481e-07 au
i 1.119279306763323 4.0449e-06 deg
node 236.6874197088855 0.00019357 deg
peri 173.9901388591266 0.00019567 deg
M 208.9320429844243 2.9333e-05 deg
tp 2460075.574910559057
(2023-May-11.07491056)
0.00017269 TDB
period 2085.332813289983
5.71
1.6303e-05
4.464e-08
d
yr
n .1726343141515316 1.3497e-09 deg/d
Q 3.412570593904627 1.7787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1651  
   data-arc span      8929 days (24.45 yr)  
   first obs. used      1996-02-10  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51565  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:21:02  

Additional Information
 Earth MOID = 1.98572 au 
 Jupiter MOID = 1.86359 au 
 T_jup = 3.192 
[ 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 13.66   n/a E2021B10  

18048 (1999 RG170)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RG170 = 1997 HZ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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