Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.458496E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-29T21:22:31+0800
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    1 Object 1

    AOE ID 26121
    NORAD ID 26121
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 56883
    NORAD ID 56883
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4 DEB STARLINK-6171
    Time of Closest Approach 2026-08-29T15:17:36+0000
    Collision Probability (Pc) 1.458496E-6
    Conjunction Distance (km) 2.767 km
    Relative Speed (km/s) 14.267 km/s
    Conjunction Risk Parameters R (Radial): 1.668 | I (In-track): -0.763 | C (Cross-track): -2.07
    Collision Risk Index (CRI) 0.38
    X Position (km) -6357.604 -6359.065
    Position Y (km) 1412.45 1414.745
    Position Z (km) -2157.504 -2157.002
    Velocity X (km/s) 2.586 -2.764
    Velocity Y (km/s) 0.665 -5.4
    Velocity Z (km/s) -7.136 4.616

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB STARLINK-6171
    Semimajor Axis (a) 6850.255 km 6861.199 km
    Eccentricity (e) 0.002823 0.000133
    Inclination (i) 98.6743° 43.0022°
    RAAN 349.9493° 192.3039°
    Perigee Argument 305.9623° 283.5241°
    Mean Anomaly (M) 53.8997° 76.5462°
    Apogee 491.455 km 483.977 km
    Perigee 452.781 km 482.147 km
    Orbit Epoch 2026-08-29T06:35:07+0000 2026-08-28T22:09:04+0000

    CZ-4 DEB & STARLINK-6171 Collision Probability (Pc) Trend

    CZ-4 DEB & STARLINK-6171 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & STARLINK-6171 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & STARLINK-6171 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-6171Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-6171Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data