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213277 (2001 OJ77)
Classification: Mars-crossing Asteroid          SPK-ID: 2213277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1893100174533185 4.2057e-08  
a 1.946917942953632 6.2011e-09 au
q 1.578346873192901 8.0442e-08 au
i 25.35768272803316 7.1046e-06 deg
node 157.2682629445576 1.0034e-05 deg
peri 100.8792908925274 2.3923e-05 deg
M 84.68377860548664 1.7843e-05 deg
tp 2458967.090985131325
(2020-Apr-27.59098513)
4.9177e-05 TDB
period 992.2472371500797
2.72
4.7406e-06
1.298e-08
d
yr
n .3628128016097959 1.7334e-09 deg/d
Q 2.315489012714363 7.375e-09 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      7051 days (19.30 yr)  
   first obs. used      2001-07-01  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:42:03  

Additional Information
 Earth MOID = .71123 au 
 Jupiter MOID = 2.99833 au 
 T_jup = 3.758 
[ 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 17.01   n/a E2021B55  

213277 (2001 OJ77)          Discovered 2001-Jul-27 by NEAT at Palomar
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ 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
1950-Apr-13 22:58 < 00:01 Hebe 0.00886725914365855 0.00885757972876638 0.00887693890771204 7.39677499032946 7.39677489554749 2433385.457188383 0.570580210000383 490.592000936614 52.2867850661512 10.4214875027392 5301.48144319167 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:42:05 2021-Apr-13 23:42
2105-Feb-28 15:17 < 00:01 Hebe 0.0178283170144386 0.0178116409175736 0.0178449932642452 7.42316048418877 7.42316043721468 2489954.136997260 0.76940945347176 835.492876361467 52.6413944277699 -5.67362083665373 5928.62424939335 T 15 CATAB v2.0f-lin.ifort 2021-Apr-13 23:42:05 2021-Apr-13 23:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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