Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.174979E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T05:45:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 21126
    NORAD ID 21126
    Object Type DEBRIS
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 65129
    NORAD ID 65129
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SL-3 DEB GEESAT 4-11
    Time of Closest Approach 2026-09-14T07:30:11+0000
    Collision Probability (Pc) 1.174979E-6
    Conjunction Distance (km) 2.953 km
    Relative Speed (km/s) 11.381 km/s
    Conjunction Risk Parameters R (Radial): -2.46 | I (In-track): 1.082 | C (Cross-track): 1.225
    Collision Risk Index (CRI) 0.36
    X Position (km) 525.937 524.138
    Position Y (km) 5736.433 5734.394
    Position Z (km) -3982.111 -3980.96
    Velocity X (km/s) -4.195 -5.629
    Velocity Y (km/s) -3.314 3.195
    Velocity Z (km/s) -5.351 3.873

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 DEB GEESAT 4-11
    Semimajor Axis (a) 7039.792 km 6994.073 km
    Eccentricity (e) 0.006129 0.000726
    Inclination (i) 65.0757° 49.9835°
    RAAN 254.7560° 133.0586°
    Perigee Argument 207.4833° 62.4224°
    Mean Anomaly (M) 273.5762° 297.7451°
    Apogee 704.805 km 621.011 km
    Perigee 618.505 km 610.861 km
    Orbit Epoch 2026-09-11T08:50:34+0000 2026-09-11T13:28:14+0000

    SL-3 DEB & GEESAT 4-11 Collision Probability (Pc) Trend

    SL-3 DEB & GEESAT 4-11 Collision Probability (Pc) TrendNot Available

    SL-3 DEB & GEESAT 4-11 Miss Distance (Miss Distance) Trend

    SL-3 DEB & GEESAT 4-11 Miss Distance (Miss Distance) TrendNot Available

    SL-3 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GEESAT 4-11Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    GEESAT 4-11Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 DEB

    No nearby objects data