Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.138904E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T01:20:35+0800
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    1 Object 1

    Name UNISAT
    AOE ID 26547
    NORAD ID 26547
    Object Type PAYLOAD
    Country
    IT IT
    ← VS →

    2 Object 2

    AOE ID 49049
    NORAD ID 49049
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter UNISAT TIANHUI 1-04
    Time of Closest Approach 2026-10-17T03:45:37+0000
    Collision Probability (Pc) 1.138904E-6
    Conjunction Distance (km) 2.925 km
    Relative Speed (km/s) 10.553 km/s
    Conjunction Risk Parameters R (Radial): -1.414 | I (In-track): -1.849 | C (Cross-track): -1.769
    Collision Risk Index (CRI) 0.36
    X Position (km) 3081.981 3079.543
    Position Y (km) 490.5 488.902
    Position Z (km) -6136.185 -6135.95
    Velocity X (km/s) 0.984 6.757
    Velocity Y (km/s) 7.476 -1.076
    Velocity Z (km/s) 1.094 3.307

    Orbital Parameters 国际轨道数据源

    Parameter UNISAT TIANHUI 1-04
    Semimajor Axis (a) 6911.967 km 6873.254 km
    Eccentricity (e) 0.004907 0.000347
    Inclination (i) 64.5430° 97.2632°
    RAAN 84.9121° 352.7166°
    Perigee Argument 282.5227° 111.1039°
    Mean Anomaly (M) 77.0406° 249.0570°
    Apogee 567.748 km 497.502 km
    Perigee 499.912 km 492.732 km
    Orbit Epoch 2026-10-15T04:27:19+0000 2026-10-15T07:54:20+0000

    UNISAT & TIANHUI 1-04 Collision Probability (Pc) Trend

    UNISAT & TIANHUI 1-04 Collision Probability (Pc) TrendNot Available

    UNISAT & TIANHUI 1-04 Miss Distance (Miss Distance) Trend

    UNISAT & TIANHUI 1-04 Miss Distance (Miss Distance) TrendNot Available

    UNISATMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANHUI 1-04Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    UNISATCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANHUI 1-04Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with UNISAT

    No nearby objects data