Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.023885E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T17:59:42+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 48648
    NORAD ID 48648
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69434
    NORAD ID 69434
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2521 STARLINK-37815
    Time of Closest Approach 2026-10-21T16:22:16+0000
    Collision Probability (Pc) 9.023885E-7
    Conjunction Distance (km) 2.73 km
    Relative Speed (km/s) 5.938 km/s
    Conjunction Risk Parameters R (Radial): -2.591 | I (In-track): -0.787 | C (Cross-track): 0.334
    Collision Risk Index (CRI) 0.34
    X Position (km) 5932.718 5930.559
    Position Y (km) -2957.723 -2956.899
    Position Z (km) -1731.686 -1730.233
    Velocity X (km/s) 0.759 -2.149
    Velocity Y (km/s) 4.902 -0.045
    Velocity Z (km/s) -5.796 -7.32

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2521 STARLINK-37815
    Semimajor Axis (a) 6848.863 km 6843.660 km
    Eccentricity (e) 0.000149 0.000243
    Inclination (i) 53.1600° 97.2830°
    RAAN 156.3530° 152.4205°
    Perigee Argument 88.4826° 86.5410°
    Mean Anomaly (M) 271.6346° 273.6110°
    Apogee 471.747 km 467.188 km
    Perigee 469.705 km 463.858 km
    Orbit Epoch 2026-10-18T15:28:25+0000 2026-10-18T15:29:12+0000

    STARLINK-2521 & STARLINK-37815 Collision Probability (Pc) Trend

    STARLINK-2521 & STARLINK-37815 Collision Probability (Pc) TrendNot Available

    STARLINK-2521 & STARLINK-37815 Miss Distance (Miss Distance) Trend

    STARLINK-2521 & STARLINK-37815 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37815Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2521Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37815Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2521

    No nearby objects data