Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.345023E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:02:08+0800
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    1 Object 1

    AOE ID 58700
    NORAD ID 58700
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67821
    NORAD ID 67821
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 15 STARLINK-36644
    Time of Closest Approach 2026-09-13T08:47:57+0000
    Collision Probability (Pc) 2.345023E-6
    Conjunction Distance (km) 2.143 km
    Relative Speed (km/s) 14.111 km/s
    Conjunction Risk Parameters R (Radial): 2.122 | I (In-track): 0.125 | C (Cross-track): -0.275
    Collision Risk Index (CRI) 0.42
    X Position (km) 1164.228 1164.325
    Position Y (km) 6181.017 6182.913
    Position Z (km) 2727.767 2728.76
    Velocity X (km/s) 0.503 -5.635
    Velocity Y (km/s) -3.164 2.931
    Velocity Z (km/s) 6.925 -4.223

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 15 STARLINK-36644
    Semimajor Axis (a) 6861.677 km 6861.164 km
    Eccentricity (e) 0.000817 0.000126
    Inclination (i) 97.4667° 43.0006°
    RAAN 80.5567° 299.4122°
    Perigee Argument 42.0250° 260.3159°
    Mean Anomaly (M) 318.1614° 99.7551°
    Apogee 489.149 km 483.890 km
    Perigee 477.931 km 482.164 km
    Orbit Epoch 2026-09-11T07:57:20+0000 2026-09-11T04:23:10+0000

    TIANMU-1 15 & STARLINK-36644 Collision Probability (Pc) Trend

    TIANMU-1 15 & STARLINK-36644 Collision Probability (Pc) TrendNot Available

    TIANMU-1 15 & STARLINK-36644 Miss Distance (Miss Distance) Trend

    TIANMU-1 15 & STARLINK-36644 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 15Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36644Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 15Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36644Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 15

    No nearby objects data