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78799 (2002 XW93)
Classification: TransNeptunian Object          SPK-ID: 2078799
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2534316745065592 2.1554e-05  
a 37.37910342621556 0.0012206 au
q 27.90605465335589 0.0016069 au
i 14.3595089414209 0.00013283 deg
node 46.82777053977082 0.0004289 deg
peri 247.7342773663782 0.0057205 deg
M 147.2277112270212 0.0087347 deg
tp 2425063.228429218478
(1927-Jul-01.72842922)
1.3987 TDB
period 83472.17832199667
228.53
4.0888
0.01119
d
yr
n .004312814248255127 2.1126e-07 deg/d
Q 46.85215219907524 0.00153 au
  Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      9562 days (26.18 yr)  
   first obs. used      1989-12-17  
   last obs. used      2016-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .51552  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:38:39  

Additional Information
 Earth MOID = 26.9161 au 
 Jupiter MOID = 22.9035 au 
 T_jup = 5.163 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.0   n/a MPO553931  

78799 (2002 XW93)          Discovered 2002-Dec-10 by Palomar at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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
2130-Mar-04 22:32 8_01:48 Neptune 1.99051019366422 1.98804291867877 1.99307708017026 1.80004831346534 1.78724835906024 2499089.438951004 11627.6058668251 1260626.2241159 103997.01807331 -86.68223176976 3424.08253271734 T 5 CATAB v2.0f-lin.ifort 2021-Apr-13 13:38:40 2021-Apr-13 13:38
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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