Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.866942E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-27T09:57:58+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 58438
    NORAD ID 58438
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-30969
    Time of Closest Approach 2026-08-27T19:47:10+0000
    Collision Probability (Pc) 1.866942E-6
    Conjunction Distance (km) 2.333 km
    Relative Speed (km/s) 13.146 km/s
    Conjunction Risk Parameters R (Radial): 0.396 | I (In-track): -1.168 | C (Cross-track): -1.979
    Collision Risk Index (CRI) 0.4
    X Position (km) 430.324 431.983
    Position Y (km) -5307.955 -5306.581
    Position Z (km) 4318.411 4319.305
    Velocity X (km/s) -1.629 7.292
    Velocity Y (km/s) 4.623 -1.028
    Velocity Z (km/s) 5.843 -1.987

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-30969
    Semimajor Axis (a) 6860.784 km 6861.145 km
    Eccentricity (e) 0.001215 0.000137
    Inclination (i) 97.3142° 43.0020°
    RAAN 278.8716° 162.6779°
    Perigee Argument 326.6612° 281.8941°
    Mean Anomaly (M) 33.3861° 78.1757°
    Apogee 490.986 km 483.951 km
    Perigee 474.308 km 482.065 km
    Orbit Epoch 2026-08-26T01:10:17+0000 2026-08-26T11:54:41+0000

    KOSEN-1 & STARLINK-30969 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-30969 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-30969 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-30969 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30969Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30969Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data