Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.405608E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T12:56:32+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58646
    NORAD ID 58646
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59673
    NORAD ID 59673
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 12 STARLINK-31871
    Time of Closest Approach 2026-10-25T15:21:23+0000
    Collision Probability (Pc) 1.405608E-6
    Conjunction Distance (km) 2.776 km
    Relative Speed (km/s) 13.504 km/s
    Conjunction Risk Parameters R (Radial): 0.007 | I (In-track): -1.276 | C (Cross-track): -2.464
    Collision Risk Index (CRI) 0.38
    X Position (km) -3769.724 -3768.734
    Position Y (km) 4102.037 4104.261
    Position Z (km) -4008.538 -4007.203
    Velocity X (km/s) 3.855 -6.362
    Velocity Y (km/s) -2.424 -3.222
    Velocity Z (km/s) -6.108 2.685

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 12 STARLINK-31871
    Semimajor Axis (a) 6860.562 km 6861.167 km
    Eccentricity (e) 0.000569 0.000140
    Inclination (i) 97.3386° 43.0025°
    RAAN 316.5752° 191.5002°
    Perigee Argument 246.0029° 260.3819°
    Mean Anomaly (M) 114.0615° 99.6874°
    Apogee 486.328 km 483.994 km
    Perigee 478.522 km 482.066 km
    Orbit Epoch 2026-10-24T06:58:32+0000 2026-10-24T03:31:14+0000

    TIANMU-1 12 & STARLINK-31871 Collision Probability (Pc) Trend

    TIANMU-1 12 & STARLINK-31871 Collision Probability (Pc) TrendNot Available

    TIANMU-1 12 & STARLINK-31871 Miss Distance (Miss Distance) Trend

    TIANMU-1 12 & STARLINK-31871 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31871Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31871Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 12

    No nearby objects data