Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.646626E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:58:30+0800
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    1 Object 1

    AOE ID 58647
    NORAD ID 58647
    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 13 STARLINK-35818
    Time of Closest Approach 2026-09-12T17:21:37+0000
    Collision Probability (Pc) 3.646626E-6
    Conjunction Distance (km) 1.574 km
    Relative Speed (km/s) 7.514 km/s
    Conjunction Risk Parameters R (Radial): -1.572 | I (In-track): 0.055 | C (Cross-track): -0.036
    Collision Risk Index (CRI) 0.46
    X Position (km) 973.459 973.268
    Position Y (km) -6363.411 -6361.969
    Position Z (km) -2382.453 -2381.852
    Velocity X (km/s) -0.632 6.125
    Velocity Y (km/s) -2.738 -0.737
    Velocity Z (km/s) 7.084 4.477

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 13 STARLINK-35818
    Semimajor Axis (a) 6861.704 km 6861.147 km
    Eccentricity (e) 0.000716 0.000154
    Inclination (i) 97.3449° 43.0020°
    RAAN 274.5458° 310.9308°
    Perigee Argument 39.7326° 253.2340°
    Mean Anomaly (M) 320.4437° 106.8342°
    Apogee 488.481 km 484.068 km
    Perigee 478.653 km 481.952 km
    Orbit Epoch 2026-09-11T06:51:34+0000 2026-09-11T03:49:56+0000

    TIANMU-1 13 & STARLINK-35818 Collision Probability (Pc) Trend

    TIANMU-1 13 & STARLINK-35818 Collision Probability (Pc) TrendNot Available

    TIANMU-1 13 & STARLINK-35818 Miss Distance (Miss Distance) Trend

    TIANMU-1 13 & STARLINK-35818 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 13Miss 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 13Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 13

    No nearby objects data