Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.79929E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T17:38:16+0800
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    1 Object 1

    Name TISAT 1
    AOE ID 36799
    NORAD ID 36799
    Object Type PAYLOAD
    Country
    CH CH
    ← VS →

    2 Object 2

    AOE ID 51748
    NORAD ID 51748
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TISAT 1 STARLINK-3501
    Time of Closest Approach 2026-10-20T10:00:21+0000
    Collision Probability (Pc) 1.79929E-6
    Conjunction Distance (km) 2.336 km
    Relative Speed (km/s) 12.423 km/s
    Conjunction Risk Parameters R (Radial): 2.115 | I (In-track): -0.57 | C (Cross-track): 0.812
    Collision Risk Index (CRI) 0.4
    X Position (km) -541.699 -542.438
    Position Y (km) -4090.341 -4090.93
    Position Z (km) -5460.92 -5463.056
    Velocity X (km/s) -2.539 7.6
    Velocity Y (km/s) -5.628 -0.403
    Velocity Z (km/s) 4.47 -0.453

    Orbital Parameters 国际轨道数据源

    Parameter TISAT 1 STARLINK-3501
    Semimajor Axis (a) 6835.063 km 6840.890 km
    Eccentricity (e) 0.000376 0.000120
    Inclination (i) 98.0832° 53.1623°
    RAAN 249.9085° 5.2205°
    Perigee Argument 123.3801° 84.3876°
    Mean Anomaly (M) 236.7802° 275.7263°
    Apogee 459.497 km 463.573 km
    Perigee 454.355 km 461.933 km
    Orbit Epoch 2026-10-18T20:43:29+0000 2026-10-19T04:42:49+0000

    TISAT 1 & STARLINK-3501 Collision Probability (Pc) Trend

    TISAT 1 & STARLINK-3501 Collision Probability (Pc) TrendNot Available

    TISAT 1 & STARLINK-3501 Miss Distance (Miss Distance) Trend

    TISAT 1 & STARLINK-3501 Miss Distance (Miss Distance) TrendNot Available

    TISAT 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3501Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TISAT 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3501Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TISAT 1

    No nearby objects data