Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.381988E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:33:38+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 57219
    NORAD ID 57219
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57402
    NORAD ID 57402
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-5520 TIANMU-1 10
    Time of Closest Approach 2026-10-20T06:19:51+0000
    Collision Probability (Pc) 1.381988E-6
    Conjunction Distance (km) 2.812 km
    Relative Speed (km/s) 13.524 km/s
    Conjunction Risk Parameters R (Radial): -2.685 | I (In-track): 0.393 | C (Cross-track): -0.731
    Collision Risk Index (CRI) 0.38
    X Position (km) -5118.862 -5116.877
    Position Y (km) 2262.05 2260.434
    Position Z (km) -3973.239 -3972.078
    Velocity X (km/s) -4.545 4.457
    Velocity Y (km/s) -5.464 -0.681
    Velocity Z (km/s) 2.747 -6.139

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5520 TIANMU-1 10
    Semimajor Axis (a) 6861.200 km 6850.941 km
    Eccentricity (e) 0.000135 0.000561
    Inclination (i) 43.0024° 97.2483°
    RAAN 212.0039° 340.6105°
    Perigee Argument 268.4692° 65.0437°
    Mean Anomaly (M) 91.6005° 295.1386°
    Apogee 483.990 km 476.648 km
    Perigee 482.136 km 468.960 km
    Orbit Epoch 2026-10-19T03:54:25+0000 2026-10-19T12:08:16+0000

    STARLINK-5520 & TIANMU-1 10 Collision Probability (Pc) Trend

    STARLINK-5520 & TIANMU-1 10 Collision Probability (Pc) TrendNot Available

    STARLINK-5520 & TIANMU-1 10 Miss Distance (Miss Distance) Trend

    STARLINK-5520 & TIANMU-1 10 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5520Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 10Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5520Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 10Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5520

    No nearby objects data