Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.340442E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T14:01:34+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 53433
    NORAD ID 53433
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SEEDS STARLINK-4549
    Time of Closest Approach 2026-09-06T01:48:29+0000
    Collision Probability (Pc) 1.340442E-6
    Conjunction Distance (km) 2.818 km
    Relative Speed (km/s) 12.894 km/s
    Conjunction Risk Parameters R (Radial): -2.667 | I (In-track): 0.481 | C (Cross-track): -0.768
    Collision Risk Index (CRI) 0.38
    X Position (km) -652.747 -651.934
    Position Y (km) -4159.128 -4158.104
    Position Z (km) -5398.534 -5396.039
    Velocity X (km/s) -2.562 7.553
    Velocity Y (km/s) -5.531 0.161
    Velocity Z (km/s) 4.577 -1.037

    Orbital Parameters 国际轨道数据源

    Parameter SEEDS STARLINK-4549
    Semimajor Axis (a) 6838.412 km 6837.896 km
    Eccentricity (e) 0.000415 0.000108
    Inclination (i) 97.7568° 53.1619°
    RAAN 248.2813° 18.0105°
    Perigee Argument 63.8049° 88.0682°
    Mean Anomaly (M) 296.3620° 272.0444°
    Apogee 463.115 km 460.499 km
    Perigee 457.435 km 459.019 km
    Orbit Epoch 2026-09-03T11:28:00+0000 2026-09-03T18:00:04+0000

    SEEDS & STARLINK-4549 Collision Probability (Pc) Trend

    SEEDS & STARLINK-4549 Collision Probability (Pc) TrendNot Available

    SEEDS & STARLINK-4549 Miss Distance (Miss Distance) Trend

    SEEDS & STARLINK-4549 Miss Distance (Miss Distance) TrendNot Available

    SEEDSMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4549Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SEEDSCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4549Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SEEDS

    No nearby objects data