Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.940631E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T15:25:57+0800
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    1 Object 1

    AOE ID 60479
    NORAD ID 60479
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63703
    NORAD ID 63703
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TOMORROW-S1 STARLINK-33868
    Time of Closest Approach 2026-10-21T12:06:02+0000
    Collision Probability (Pc) 3.940631E-6
    Conjunction Distance (km) 1.74 km
    Relative Speed (km/s) 13.396 km/s
    Conjunction Risk Parameters R (Radial): 1.676 | I (In-track): -0.22 | C (Cross-track): 0.415
    Collision Risk Index (CRI) 0.47
    X Position (km) -4391.645 -4390.302
    Position Y (km) -448.468 -448.69
    Position Z (km) -5235.371 -5234.287
    Velocity X (km/s) 5.524 -1.4
    Velocity Y (km/s) 2.088 -7.275
    Velocity Z (km/s) -4.819 1.799

    Orbital Parameters 国际轨道数据源

    Parameter TOMORROW-S1 STARLINK-33868
    Semimajor Axis (a) 6840.815 km 6840.835 km
    Eccentricity (e) 0.000355 0.000158
    Inclination (i) 97.3668° 53.1548°
    RAAN 14.0946° 254.0516°
    Perigee Argument 133.2712° 87.5908°
    Mean Anomaly (M) 226.8827° 272.5275°
    Apogee 465.104 km 463.777 km
    Perigee 460.252 km 461.619 km
    Orbit Epoch 2026-10-20T22:34:44+0000 2026-10-20T08:16:46+0000

    TOMORROW-S1 & STARLINK-33868 Collision Probability (Pc) Trend

    TOMORROW-S1 & STARLINK-33868 Collision Probability (Pc) TrendNot Available

    TOMORROW-S1 & STARLINK-33868 Miss Distance (Miss Distance) Trend

    TOMORROW-S1 & STARLINK-33868 Miss Distance (Miss Distance) TrendNot Available

    TOMORROW-S1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33868Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TOMORROW-S1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33868Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TOMORROW-S1

    No nearby objects data