Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.271606E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T19:23:38+0800
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    1 Object 1

    AOE ID 29538
    NORAD ID 29538
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67049
    NORAD ID 67049
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CZ-4B DEB STARLINK-35877
    Time of Closest Approach 2026-09-05T16:04:18+0000
    Collision Probability (Pc) 1.271606E-6
    Conjunction Distance (km) 2.619 km
    Relative Speed (km/s) 9.768 km/s
    Conjunction Risk Parameters R (Radial): 2.286 | I (In-track): -0.984 | C (Cross-track): 0.816
    Collision Risk Index (CRI) 0.37
    X Position (km) 3930.06 3931.284
    Position Y (km) 3644.904 3645.186
    Position Z (km) -4283.218 -4285.516
    Velocity X (km/s) 4.357 -3.628
    Velocity Y (km/s) 2.176 6.366
    Velocity Z (km/s) 5.842 2.088

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4B DEB STARLINK-35877
    Semimajor Axis (a) 6834.200 km 6861.171 km
    Eccentricity (e) 0.003235 0.000118
    Inclination (i) 98.0746° 43.0025°
    RAAN 34.3372° 111.4375°
    Perigee Argument 164.2267° 258.4288°
    Mean Anomaly (M) 195.9991° 101.6431°
    Apogee 478.174 km 483.848 km
    Perigee 433.952 km 482.220 km
    Orbit Epoch 2026-09-03T20:29:08+0000 2026-09-03T23:33:38+0000

    CZ-4B DEB & STARLINK-35877 Collision Probability (Pc) Trend

    CZ-4B DEB & STARLINK-35877 Collision Probability (Pc) TrendNot Available

    CZ-4B DEB & STARLINK-35877 Miss Distance (Miss Distance) Trend

    CZ-4B DEB & STARLINK-35877 Miss Distance (Miss Distance) TrendNot Available

    CZ-4B DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35877Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4B DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35877Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4B DEB

    No nearby objects data