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187956 (2001 OA49)
Classification: Main-belt Asteroid          SPK-ID: 2187956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025067291595275 3.1918e-08  
a 2.414970279119665 9.3467e-09 au
q 1.925922546877671 7.5723e-08 au
i 10.94990898602041 4.9392e-06 deg
node 313.4011491996159 2.5581e-05 deg
peri 328.149816633986 3.0375e-05 deg
M 144.8674634604793 1.7134e-05 deg
tp 2458844.887032080788
(2019-Dec-27.38703208)
6.396e-05 TDB
period 1370.774801376225
3.75
7.958e-06
2.179e-08
d
yr
n .2626251953556255 1.5247e-09 deg/d
Q 2.904018011361659 1.1239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      898  
   data-arc span      12517 days (34.27 yr)  
   first obs. used      1986-10-04  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49702  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:57:30  

Additional Information
 Earth MOID = .918351 au 
 Jupiter MOID = 2.30646 au 
 T_jup = 3.465 
[ 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 15.59   n/a MPCxxxxx  

187956 (2001 OA49)          Discovered 2001-Jul-16 by NEAT at Haleakala
Reference: 20080618/Numbers.arcLast Updated: 2008-06-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2061-Sep-05 07:17 < 00:01 Iris 0.0259191999374483 0.0259119496686436 0.0259264539837971 8.42503884454977 8.42503881822409 2474072.803262561 0.664040507464949 615.294026487123 48.3164977733939 54.2525318424323 65225.8551438707 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 21:57:32 2021-Apr-13 21:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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