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120877 (1998 RF37)
Classification: Main-belt Asteroid          SPK-ID: 2120877
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621650578768669 4.0519e-08  
a 2.199273652938893 1.0227e-08 au
q 1.842628313722989 8.7161e-08 au
i 5.558943506099586 4.479e-06 deg
node 218.0793773069933 4.0012e-05 deg
peri 186.3656948913367 4.3002e-05 deg
M 259.8308785767228 2.0007e-05 deg
tp 2459531.973411396893
(2021-Nov-13.47341140)
6.7899e-05 TDB
period 1191.289555177745
3.26
8.3097e-06
2.275e-08
d
yr
n .3021935334153809 2.1079e-09 deg/d
Q 2.555918992154798 1.1886e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      8977 days (24.58 yr)  
   first obs. used      1995-12-20  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:04  

Additional Information
 Earth MOID = .850752 au 
 Jupiter MOID = 2.82879 au 
 T_jup = 3.643 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.39   n/a E2021B55  

120877 (1998 RF37)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 RF37 = 2001 OF19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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