Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    5.321117E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:36:31+0800
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    1 Object 1

    AOE ID 58662
    NORAD ID 58662
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 69248
    NORAD ID 69248
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-37412
    Time of Closest Approach 2026-09-12T10:56:09+0000
    Collision Probability (Pc) 5.321117E-5
    Conjunction Distance (km) 0.817 km
    Relative Speed (km/s) 14.76 km/s
    Conjunction Risk Parameters R (Radial): -0.775 | I (In-track): 0.074 | C (Cross-track): 0.246
    Collision Risk Index (CRI) 0.7
    X Position (km) -6475.069 -6474.28
    Position Y (km) -1998.628 -1998.629
    Position Z (km) 937.688 937.478
    Velocity X (km/s) -1.297 2.168
    Velocity Y (km/s) 0.646 -4.168
    Velocity Z (km/s) -7.494 6.021

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-37412
    Semimajor Axis (a) 6834.670 km 6840.826 km
    Eccentricity (e) 0.000711 0.000253
    Inclination (i) 97.4582° 53.1509°
    RAAN 14.5651° 206.1363°
    Perigee Argument 21.2224° 88.4669°
    Mean Anomaly (M) 338.9314° 271.6623°
    Apogee 461.393 km 464.419 km
    Perigee 451.673 km 460.959 km
    Orbit Epoch 2026-09-10T22:14:27+0000 2026-09-09T06:17:47+0000

    TIANMU-1 21 & STARLINK-37412 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-37412 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-37412 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-37412 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37412Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37412Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data