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131423 (2001 OF77)
Classification: Main-belt Asteroid          SPK-ID: 2131423
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2303948452449567 4.8511e-08  
a 3.110951641760134 2.3215e-08 au
q 2.394204419692264 1.5722e-07 au
i 18.12929808741341 6.2815e-06 deg
node 4.94704128358133 1.4285e-05 deg
peri 308.8123714719865 1.8532e-05 deg
M 221.4686236737807 1.4376e-05 deg
tp 2459971.730090046498
(2023-Jan-27.23009005)
8.3908e-05 TDB
period 2004.187352928154
5.49
2.2434e-05
6.142e-08
d
yr
n .1796239256145557 2.0106e-09 deg/d
Q 3.827698863828005 2.8564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      11141 days (30.50 yr)  
   first obs. used      1990-10-14  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53896  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:16:23  

Additional Information
 Earth MOID = 1.42406 au 
 Jupiter MOID = 1.7666 au 
 T_jup = 3.103 
[ 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 14.64   n/a MPCxxxxx  

131423 (2001 OF77)          Discovered 2001-Jul-29 by Ondrejov at Ondrejov
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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