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102888 (1999 XV4)
Classification: Main-belt Asteroid          SPK-ID: 2102888
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318122506224414 5.9155e-08  
a 2.122425997591642 1.1518e-08 au
q 1.842664250069508 1.3345e-07 au
i 1.992281581338283 4.5175e-06 deg
node 107.5167196693489 0.00010973 deg
peri 260.6690730143612 0.00011379 deg
M 332.8782765975719 3.5657e-05 deg
tp 2459285.586771188542
(2021-Mar-12.08677119)
0.00011249 TDB
period 1129.39864378725
3.09
9.1939e-06
2.517e-08
d
yr
n .3187537031147833 2.5948e-09 deg/d
Q 2.402187745113777 1.3037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1995-05-31  
   last obs. used      2020-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:44:06  

Additional Information
 Earth MOID = .841189 au 
 Jupiter MOID = 3.05658 au 
 T_jup = 3.717 
[ 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 16.82   n/a E2021B55  

102888 (1999 XV4)          Discovered 1999-Dec-04 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
2178-Mar-07 09:00 < 00:01 Vesta 0.0484796129920143 0.0484584215029316 0.0485008286107251 3.94497652718616 3.94497590504196 2516623.875208377 0.861000107783154 2001.45543663813 53.6827145783444 58.237218056282 114383.606060267 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 15:44:07 2021-Apr-13 15:44

Alternate Designations
 1999 XV4 = 2002 TQ223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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