Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.498939E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:56:44+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53833
    NORAD ID 53833
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name TSAT-1A
    AOE ID 59442
    NORAD ID 59442
    Object Type PAYLOAD
    Country
    IN IN

    Conjunction Constraints

    Parameter STARLINK-4771 TSAT-1A
    Time of Closest Approach 2026-10-28T21:43:52+0000
    Collision Probability (Pc) 2.498939E-6
    Conjunction Distance (km) 1.955 km
    Relative Speed (km/s) 10.886 km/s
    Conjunction Risk Parameters R (Radial): 1.398 | I (In-track): -0.955 | C (Cross-track): -0.975
    Collision Risk Index (CRI) 0.43
    X Position (km) -4350.045 -4349.918
    Position Y (km) 4619.698 4621.549
    Position Z (km) 2541.925 2542.537
    Velocity X (km/s) -5.084 -2.902
    Velocity Y (km/s) -1.797 -5.312
    Velocity Z (km/s) -5.412 4.657

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4771 TSAT-1A
    Semimajor Axis (a) 6838.085 km 6836.476 km
    Eccentricity (e) 0.000098 0.000929
    Inclination (i) 53.1617° 45.6129°
    RAAN 339.1133° 119.4454°
    Perigee Argument 49.5007° 148.6009°
    Mean Anomaly (M) 310.6081° 211.5443°
    Apogee 460.619 km 464.690 km
    Perigee 459.277 km 451.988 km
    Orbit Epoch 2026-10-27T02:53:23+0000 2026-10-27T05:00:31+0000

    STARLINK-4771 & TSAT-1A Collision Probability (Pc) Trend

    STARLINK-4771 & TSAT-1A Collision Probability (Pc) TrendNot Available

    STARLINK-4771 & TSAT-1A Miss Distance (Miss Distance) Trend

    STARLINK-4771 & TSAT-1A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4771Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TSAT-1AMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4771Collision Probability Trend

    Object 1 Probability TrendNot Available

    TSAT-1ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4771

    No nearby objects data