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118708 (2000 PO21)
Classification: Main-belt Asteroid          SPK-ID: 2118708
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743642588384709 4.2323e-08  
a 2.621063905604087 1.4362e-08 au
q 2.164044040335162 1.1194e-07 au
i 3.987664258076983 6.0055e-06 deg
node 319.8050866097055 5.3886e-05 deg
peri 318.0606333879504 5.6153e-05 deg
M 313.0951435698851 1.6387e-05 deg
tp 2459402.443626876378
(2021-Jul-06.94362688)
7.0948e-05 TDB
period 1549.939840106192
4.24
1.2739e-05
3.488e-08
d
yr
n .2322670794598939 1.9091e-09 deg/d
Q 3.078083770873011 1.6866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8624 days (23.61 yr)  
   first obs. used      1996-09-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:30  

Additional Information
 Earth MOID = 1.14776 au 
 Jupiter MOID = 2.06686 au 
 T_jup = 3.380 
[ 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 15.53   n/a E2021B55  

118708 (2000 PO21)          Discovered 2000-Aug-01 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ 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
2041-Aug-20 08:35 < 00:01 Juno 0.0426558652476621 0.0426532524147745 0.0426584788719539 9.33276476775502 9.33276473719477 2466751.857431781 0.46756007992763 338.987981208105 49.3007508854937 68.9245287996862 120942.054803955 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 16:58:32 2021-Apr-13 16:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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