Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    8.034353E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T05:32:02+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 57251
    NORAD ID 57251
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter KOSEN-1 STARLINK-5513
    Time of Closest Approach 2026-10-22T00:37:51+0000
    Collision Probability (Pc) 8.034353E-5
    Conjunction Distance (km) 0.707 km
    Relative Speed (km/s) 14.053 km/s
    Conjunction Risk Parameters R (Radial): 0.051 | I (In-track): 0.267 | C (Cross-track): -0.652
    Collision Risk Index (CRI) 0.73
    X Position (km) 5449.675 5449.875
    Position Y (km) -2981.31 -2980.726
    Position Z (km) 2905.973 2906.317
    Velocity X (km/s) -3.337 4.633
    Velocity Y (km/s) 0.606 4.485
    Velocity Z (km/s) 6.83 -4.074

    Orbital Parameters 国际轨道数据源

    Parameter KOSEN-1 STARLINK-5513
    Semimajor Axis (a) 6858.882 km 6861.195 km
    Eccentricity (e) 0.001476 0.000140
    Inclination (i) 97.3064° 43.0049°
    RAAN 332.8285° 192.3144°
    Perigee Argument 121.4932° 275.0605°
    Mean Anomaly (M) 238.7752° 85.0087°
    Apogee 490.868 km 484.020 km
    Perigee 470.622 km 482.096 km
    Orbit Epoch 2026-10-20T01:22:52+0000 2026-10-20T02:30:20+0000

    KOSEN-1 & STARLINK-5513 Collision Probability (Pc) Trend

    KOSEN-1 & STARLINK-5513 Collision Probability (Pc) TrendNot Available

    KOSEN-1 & STARLINK-5513 Miss Distance (Miss Distance) Trend

    KOSEN-1 & STARLINK-5513 Miss Distance (Miss Distance) TrendNot Available

    KOSEN-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5513Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    KOSEN-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5513Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with KOSEN-1

    No nearby objects data