Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.208389E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T22:35:32+0800
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    1 Object 1

    AOE ID 53608
    NORAD ID 53608
    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-4647 TSAT-1A
    Time of Closest Approach 2026-10-17T04:25:30+0000
    Collision Probability (Pc) 2.208389E-6
    Conjunction Distance (km) 2.033 km
    Relative Speed (km/s) 10.462 km/s
    Conjunction Risk Parameters R (Radial): -1.673 | I (In-track): 0.839 | C (Cross-track): 0.793
    Collision Risk Index (CRI) 0.42
    X Position (km) -5020.336 -5019.735
    Position Y (km) 3511.495 3509.671
    Position Z (km) -3052.544 -3051.88
    Velocity X (km/s) -0.862 -5.15
    Velocity Y (km/s) -5.634 -3.674
    Velocity Z (km/s) -5.073 4.265

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4647 TSAT-1A
    Semimajor Axis (a) 6840.878 km 6837.190 km
    Eccentricity (e) 0.000126 0.000897
    Inclination (i) 53.1588° 45.6138°
    RAAN 309.6706° 179.9067°
    Perigee Argument 90.7784° 78.6647°
    Mean Anomaly (M) 269.3363° 281.5256°
    Apogee 463.601 km 465.186 km
    Perigee 461.881 km 452.920 km
    Orbit Epoch 2026-10-15T18:40:08+0000 2026-10-16T03:36:45+0000

    STARLINK-4647 & TSAT-1A Collision Probability (Pc) Trend

    STARLINK-4647 & TSAT-1A Collision Probability (Pc) TrendNot Available

    STARLINK-4647 & TSAT-1A Miss Distance (Miss Distance) Trend

    STARLINK-4647 & TSAT-1A Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4647Miss 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-4647Collision Probability Trend

    Object 1 Probability TrendNot Available

    TSAT-1ACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4647

    No nearby objects data