Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.091834E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:16:53+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55109
    NORAD ID 55109
    Object Type PAYLOAD
    Country
    CH CH
    ← VS →

    2 Object 2

    AOE ID 59016
    NORAD ID 59016
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ASTROCAST-0402 STARLINK-31526
    Time of Closest Approach 2026-10-22T00:24:45+0000
    Collision Probability (Pc) 3.091834E-6
    Conjunction Distance (km) 1.69 km
    Relative Speed (km/s) 8.091 km/s
    Conjunction Risk Parameters R (Radial): -0.119 | I (In-track): 1.43 | C (Cross-track): -0.893
    Collision Risk Index (CRI) 0.45
    X Position (km) -4049.97 -4049.585
    Position Y (km) -3076.636 -3075.558
    Position Z (km) 4577.368 4578.61
    Velocity X (km/s) -4.826 1.32
    Velocity Y (km/s) -1.97 -6.734
    Velocity Z (km/s) -5.579 -3.346

    Orbital Parameters 国际轨道数据源

    Parameter ASTROCAST-0402 STARLINK-31526
    Semimajor Axis (a) 6849.777 km 6848.874 km
    Eccentricity (e) 0.000547 0.000117
    Inclination (i) 97.5571° 53.1587°
    RAAN 28.5372° 90.4150°
    Perigee Argument 140.9954° 82.3625°
    Mean Anomaly (M) 219.1683° 277.7509°
    Apogee 475.390 km 471.536 km
    Perigee 467.890 km 469.938 km
    Orbit Epoch 2026-10-20T05:28:25+0000 2026-10-19T17:04:01+0000

    ASTROCAST-0402 & STARLINK-31526 Collision Probability (Pc) Trend

    ASTROCAST-0402 & STARLINK-31526 Collision Probability (Pc) TrendNot Available

    ASTROCAST-0402 & STARLINK-31526 Miss Distance (Miss Distance) Trend

    ASTROCAST-0402 & STARLINK-31526 Miss Distance (Miss Distance) TrendNot Available

    ASTROCAST-0402Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31526Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ASTROCAST-0402Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31526Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ASTROCAST-0402

    No nearby objects data