Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.2001E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T18:32:34+0800
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    1 Object 1

    AOE ID 58701
    NORAD ID 58701
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66431
    NORAD ID 66431
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 16 STARLINK-35439
    Time of Closest Approach 2026-10-21T01:12:17+0000
    Collision Probability (Pc) 1.2001E-6
    Conjunction Distance (km) 2.537 km
    Relative Speed (km/s) 8.082 km/s
    Conjunction Risk Parameters R (Radial): 2.02 | I (In-track): 1.3 | C (Cross-track): -0.816
    Collision Risk Index (CRI) 0.37
    X Position (km) 2623.712 2622.67
    Position Y (km) -5487.35 -5486.587
    Position Z (km) -3183.266 -3181.082
    Velocity X (km/s) -2.514 4.815
    Velocity Y (km/s) 2.67 4.512
    Velocity Z (km/s) -6.678 -3.813

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 16 STARLINK-35439
    Semimajor Axis (a) 6860.627 km 6861.129 km
    Eccentricity (e) 0.000404 0.000278
    Inclination (i) 97.4606° 43.0010°
    RAAN 117.6140° 94.5599°
    Perigee Argument 272.7873° 284.6376°
    Mean Anomaly (M) 87.2904° 75.4167°
    Apogee 485.260 km 484.903 km
    Perigee 479.720 km 481.081 km
    Orbit Epoch 2026-10-19T04:17:03+0000 2026-10-18T17:18:43+0000

    TIANMU-1 16 & STARLINK-35439 Collision Probability (Pc) Trend

    TIANMU-1 16 & STARLINK-35439 Collision Probability (Pc) TrendNot Available

    TIANMU-1 16 & STARLINK-35439 Miss Distance (Miss Distance) Trend

    TIANMU-1 16 & STARLINK-35439 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 16Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35439Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 16Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35439Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 16

    No nearby objects data