Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.361089E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T23:12:46+0800
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    1 Object 1

    Name KOSEN-1
    AOE ID 49402
    NORAD ID 49402
    Object Type PAYLOAD
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 57636
    NORAD ID 57636
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-30330
    Time of Closest Approach 2026-09-13T00:38:41+0000
    Collision Probability (Pc) 2.361089E-6
    Conjunction Distance (km) 2.146 km
    Relative Speed (km/s) 14.346 km/s
    Conjunction Risk Parameters R (Radial): -0.58 | I (In-track): 0.704 | C (Cross-track): 1.942
    Collision Risk Index (CRI) 0.42
    X Position (km) -3085.25 -3086.642
    Position Y (km) 6124.78 6123.462
    Position Z (km) 211.788 210.825
    Velocity X (km/s) 0.761 -4.907
    Velocity Y (km/s) 0.645 -2.658
    Velocity Z (km/s) -7.559 5.198

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-30330
    Semimajor Axis (a) 6860.248 km 6861.180 km
    Eccentricity (e) 0.001154 0.000168
    Inclination (i) 97.3116° 43.0014°
    RAAN 294.6138° 125.9461°
    Perigee Argument 261.6936° 262.5928°
    Mean Anomaly (M) 98.2995° 97.4733°
    Apogee 490.028 km 484.193 km
    Perigee 474.194 km 481.893 km
    Orbit Epoch 2026-09-11T02:17:05+0000 2026-09-11T01:33:21+0000

    KOSEN-1 & STARLINK-30330 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-30330 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-30330 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-30330 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30330Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30330Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data