Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.039872E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T17:31:29+0800
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    1 Object 1

    AOE ID 58703
    NORAD ID 58703
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66540
    NORAD ID 66540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 18 STARLINK-35818
    Time of Closest Approach 2026-10-22T15:45:06+0000
    Collision Probability (Pc) 1.039872E-6
    Conjunction Distance (km) 2.85 km
    Relative Speed (km/s) 8.48 km/s
    Conjunction Risk Parameters R (Radial): 1.557 | I (In-track): 1.982 | C (Cross-track): -1.329
    Collision Risk Index (CRI) 0.35
    X Position (km) 2691.307 2690.316
    Position Y (km) -5210.396 -5210.676
    Position Z (km) -3568.527 -3565.871
    Velocity X (km/s) -2.824 4.858
    Velocity Y (km/s) 2.944 4.81
    Velocity Z (km/s) -6.434 -3.366

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 18 STARLINK-35818
    Semimajor Axis (a) 6860.978 km 6861.172 km
    Eccentricity (e) 0.000385 0.000122
    Inclination (i) 97.4642° 42.9971°
    RAAN 120.2159° 87.5195°
    Perigee Argument 250.2240° 267.3123°
    Mean Anomaly (M) 109.8584° 92.7589°
    Apogee 485.484 km 483.876 km
    Perigee 480.198 km 482.194 km
    Orbit Epoch 2026-10-20T23:31:39+0000 2026-10-20T17:14:36+0000

    TIANMU-1 18 & STARLINK-35818 Collision Probability (Pc) Trend

    TIANMU-1 18 & STARLINK-35818 Collision Probability (Pc) TrendNot Available

    TIANMU-1 18 & STARLINK-35818 Miss Distance (Miss Distance) Trend

    TIANMU-1 18 & STARLINK-35818 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 18

    No nearby objects data