Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.208834E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T09:08:29+0800
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    1 Object 1

    AOE ID 59439
    NORAD ID 59439
    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-31708 TSAT-1A
    Time of Closest Approach 2026-09-14T00:46:44+0000
    Collision Probability (Pc) 4.208834E-6
    Conjunction Distance (km) 1.614 km
    Relative Speed (km/s) 10.465 km/s
    Conjunction Risk Parameters R (Radial): -1.542 | I (In-track): 0.338 | C (Cross-track): 0.33
    Collision Risk Index (CRI) 0.47
    X Position (km) -5074.741 -5075.642
    Position Y (km) 3413.611 3414.783
    Position Z (km) 3056.754 3057.401
    Velocity X (km/s) -0.748 -5.097
    Velocity Y (km/s) -5.667 -3.766
    Velocity Z (km/s) 5.067 -4.259

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31708 TSAT-1A
    Semimajor Axis (a) 6840.857 km 6838.729 km
    Eccentricity (e) 0.000134 0.001200
    Inclination (i) 53.1598° 45.6163°
    RAAN 137.8013° 8.6733°
    Perigee Argument 90.0091° 248.7328°
    Mean Anomaly (M) 270.1065° 111.2287°
    Apogee 463.639 km 468.799 km
    Perigee 461.801 km 452.385 km
    Orbit Epoch 2026-09-11T02:17:07+0000 2026-09-11T14:22:48+0000

    STARLINK-31708 & TSAT-1A Collision Probability (Pc) Trend

    STARLINK-31708 & TSAT-1A Collision Probability (Pc) TrendNot Available

    STARLINK-31708 & TSAT-1A Miss Distance (Miss Distance) Trend

    STARLINK-31708 & TSAT-1A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31708Miss 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-31708Collision Probability Trend

    Object 1 Probability TrendNot Available

    TSAT-1ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31708

    No nearby objects data