Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.967409E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T23:28:55+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 66281
    NORAD ID 66281
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-35727
    Time of Closest Approach 2026-09-13T04:03:56+0000
    Collision Probability (Pc) 6.967409E-6
    Conjunction Distance (km) 1.244 km
    Relative Speed (km/s) 6.264 km/s
    Conjunction Risk Parameters R (Radial): -0.38 | I (In-track): 1.082 | C (Cross-track): 0.482
    Collision Risk Index (CRI) 0.52
    X Position (km) -5951.196 -5951.159
    Position Y (km) -2155.411 -2155.743
    Position Z (km) 2588.561 2587.363
    Velocity X (km/s) -3.066 -0.393
    Velocity Y (km/s) 0.028 -5.404
    Velocity Z (km/s) -6.992 -5.384

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-35727
    Semimajor Axis (a) 6834.698 km 6840.866 km
    Eccentricity (e) 0.000717 0.000042
    Inclination (i) 97.4580° 53.1575°
    RAAN 13.9049° 54.0327°
    Perigee Argument 23.4748° 101.4050°
    Mean Anomaly (M) 336.6822° 258.7000°
    Apogee 461.463 km 463.014 km
    Perigee 451.659 km 462.444 km
    Orbit Epoch 2026-09-10T06:36:38+0000 2026-09-09T16:33:26+0000

    TIANMU-1 21 & STARLINK-35727 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-35727 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-35727 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-35727 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35727Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35727Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data