Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.316944E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T02:10:34+0800
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    1 Object 1

    AOE ID 26385
    NORAD ID 26385
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 40977
    NORAD ID 40977
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TZINGHUA 1 SINOD-D 3
    Time of Closest Approach 2026-10-16T17:41:18+0000
    Collision Probability (Pc) 7.316944E-7
    Conjunction Distance (km) 2.8 km
    Relative Speed (km/s) 4.285 km/s
    Conjunction Risk Parameters R (Radial): 1.94 | I (In-track): -1.928 | C (Cross-track): -0.596
    Collision Risk Index (CRI) 0.32
    X Position (km) 1436.959 1437.706
    Position Y (km) 6880.15 6882.134
    Position Z (km) -569.807 -567.978
    Velocity X (km/s) 0.895 -3.233
    Velocity Y (km/s) -0.783 0.14
    Velocity Z (km/s) -7.423 -6.734

    Orbital Parameters 国际轨道数据源

    Parameter TZINGHUA 1 SINOD-D 3
    Semimajor Axis (a) 7044.398 km 6961.320 km
    Eccentricity (e) 0.001591 0.013010
    Inclination (i) 97.8983° 64.7715°
    RAAN 257.3668° 260.5156°
    Perigee Argument 80.1656° 13.0830°
    Mean Anomaly (M) 280.1345° 347.3604°
    Apogee 677.471 km 673.752 km
    Perigee 655.051 km 492.614 km
    Orbit Epoch 2026-10-15T04:52:21+0000 2026-10-15T07:08:46+0000

    TZINGHUA 1 & SINOD-D 3 Collision Probability (Pc) Trend

    TZINGHUA 1 & SINOD-D 3 Collision Probability (Pc) TrendNot Available

    TZINGHUA 1 & SINOD-D 3 Miss Distance (Miss Distance) Trend

    TZINGHUA 1 & SINOD-D 3 Miss Distance (Miss Distance) TrendNot Available

    TZINGHUA 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SINOD-D 3Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TZINGHUA 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    SINOD-D 3Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TZINGHUA 1

    No nearby objects data