Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.027014E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T22:29:31+0800
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    1 Object 1

    AOE ID 67399
    NORAD ID 67399
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68439
    NORAD ID 68439
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter TOMORROW-S11 OBJECT Z
    Time of Closest Approach 2026-10-20T14:49:12+0000
    Collision Probability (Pc) 1.027014E-6
    Conjunction Distance (km) 2.404 km
    Relative Speed (km/s) 5.231 km/s
    Conjunction Risk Parameters R (Radial): 1.798 | I (In-track): 1.5 | C (Cross-track): -0.545
    Collision Risk Index (CRI) 0.35
    X Position (km) 953.622 953.344
    Position Y (km) 18.833 20.423
    Position Z (km) -6819.947 -6818.167
    Velocity X (km/s) 2.737 -2.442
    Velocity Y (km/s) -7.08 -7.185
    Velocity Z (km/s) 0.363 -0.361

    Orbital Parameters 国际轨道数据源

    Parameter TOMORROW-S11 OBJECT Z
    Semimajor Axis (a) 6882.554 km 6875.917 km
    Eccentricity (e) 0.000525 0.000296
    Inclination (i) 97.4645° 97.4650°
    RAAN 291.1867° 250.1054°
    Perigee Argument 267.3171° 40.0303°
    Mean Anomaly (M) 92.7463° 320.1151°
    Apogee 508.034 km 499.815 km
    Perigee 500.800 km 495.745 km
    Orbit Epoch 2026-10-20T07:18:21+0000 2026-10-19T20:18:04+0000

    TOMORROW-S11 & OBJECT Z Collision Probability (Pc) Trend

    TOMORROW-S11 & OBJECT Z Collision Probability (Pc) TrendNot Available

    TOMORROW-S11 & OBJECT Z Miss Distance (Miss Distance) Trend

    TOMORROW-S11 & OBJECT Z Miss Distance (Miss Distance) TrendNot Available

    TOMORROW-S11Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT ZMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TOMORROW-S11Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT ZCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TOMORROW-S11

    No nearby objects data