Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.272672E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:32:03+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 66974
    NORAD ID 66974
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-35780
    Time of Closest Approach 2026-10-22T13:12:03+0000
    Collision Probability (Pc) 5.272672E-6
    Conjunction Distance (km) 1.599 km
    Relative Speed (km/s) 14.056 km/s
    Conjunction Risk Parameters R (Radial): -0.074 | I (In-track): 0.612 | C (Cross-track): -1.475
    Collision Risk Index (CRI) 0.49
    X Position (km) 5481.611 5481.897
    Position Y (km) -2933.148 -2931.742
    Position Z (km) 2894.149 2894.853
    Velocity X (km/s) -3.331 4.584
    Velocity Y (km/s) 0.57 4.526
    Velocity Z (km/s) 6.836 -4.084

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-35780
    Semimajor Axis (a) 6858.882 km 6861.132 km
    Eccentricity (e) 0.001476 0.000155
    Inclination (i) 97.3064° 42.9982°
    RAAN 332.8285° 195.6610°
    Perigee Argument 121.4932° 271.5239°
    Mean Anomaly (M) 238.7752° 88.5435°
    Apogee 490.868 km 484.062 km
    Perigee 470.622 km 481.928 km
    Orbit Epoch 2026-10-20T01:22:52+0000 2026-10-20T02:31:28+0000

    KOSEN-1 & STARLINK-35780 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-35780 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-35780 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-35780 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35780Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35780Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data