Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.887672E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:29:21+0800
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    1 Object 1

    Name SEEDS
    AOE ID 32791
    NORAD ID 32791
    Object Type PAYLOAD
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 52355
    NORAD ID 52355
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SEEDS STARLINK-3877
    Time of Closest Approach 2026-09-02T23:10:00+0000
    Collision Probability (Pc) 1.887672E-6
    Conjunction Distance (km) 2.345 km
    Relative Speed (km/s) 13.623 km/s
    Conjunction Risk Parameters R (Radial): -2.337 | I (In-track): 0.085 | C (Cross-track): 0.16
    Collision Risk Index (CRI) 0.41
    X Position (km) -2330.978 -2331.941
    Position Y (km) -3844.627 -3845.939
    Position Z (km) 5143.111 5144.798
    Velocity X (km/s) 1.582 4.723
    Velocity Y (km/s) 5.632 -5.636
    Velocity Z (km/s) 4.914 -2.067

    Orbital Parameters 国际轨道数据源

    Parameter SEEDS STARLINK-3877
    Semimajor Axis (a) 6838.531 km 6840.872 km
    Eccentricity (e) 0.000426 0.000108
    Inclination (i) 97.7565° 53.1602°
    RAAN 246.7042° 120.6491°
    Perigee Argument 66.7315° 92.4572°
    Mean Anomaly (M) 293.4376° 267.6555°
    Apogee 463.309 km 463.475 km
    Perigee 457.479 km 461.995 km
    Orbit Epoch 2026-09-01T23:29:14+0000 2026-09-02T08:37:17+0000

    SEEDS & STARLINK-3877 Collision Probability (Pc) Trend

    SEEDS & STARLINK-3877 Collision Probability (Pc) TrendNot Available

    SEEDS & STARLINK-3877 Miss Distance (Miss Distance) Trend

    SEEDS & STARLINK-3877 Miss Distance (Miss Distance) TrendNot Available

    SEEDSMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3877Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SEEDSCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3877Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SEEDS

    No nearby objects data