Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.498605E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T22:09:52+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 64673
    NORAD ID 64673
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-34288
    Time of Closest Approach 2026-09-07T18:29:59+0000
    Collision Probability (Pc) 8.498605E-7
    Conjunction Distance (km) 2.87 km
    Relative Speed (km/s) 5.99 km/s
    Conjunction Risk Parameters R (Radial): 1.083 | I (In-track): -2.445 | C (Cross-track): 1.041
    Collision Risk Index (CRI) 0.34
    X Position (km) -6507.293 -6505.47
    Position Y (km) -1062.727 -1063.146
    Position Z (km) -1837.452 -1839.629
    Velocity X (km/s) 1.83 2.346
    Velocity Y (km/s) 1.34 -4.429
    Velocity Z (km/s) -7.284 -5.757

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-34288
    Semimajor Axis (a) 6834.932 km 6840.847 km
    Eccentricity (e) 0.000761 0.000105
    Inclination (i) 97.4566° 53.1604°
    RAAN 8.8893° 9.8610°
    Perigee Argument 40.1525° 76.4971°
    Mean Anomaly (M) 320.0280° 283.6149°
    Apogee 461.998 km 463.431 km
    Perigee 451.592 km 461.989 km
    Orbit Epoch 2026-09-05T07:49:01+0000 2026-09-05T01:32:30+0000

    TIANMU-1 21 & STARLINK-34288 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-34288 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-34288 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-34288 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34288Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34288Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data