Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.402605E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T04:27:12+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 48436
    NORAD ID 48436
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57399
    NORAD ID 57399
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-2639 TIANMU-1 07
    Time of Closest Approach 2026-10-17T21:35:59+0000
    Collision Probability (Pc) 1.402605E-6
    Conjunction Distance (km) 2.723 km
    Relative Speed (km/s) 12.813 km/s
    Conjunction Risk Parameters R (Radial): 2.681 | I (In-track): 0.255 | C (Cross-track): 0.4
    Collision Risk Index (CRI) 0.38
    X Position (km) 3611.85 3613.207
    Position Y (km) -2141.629 -2142.045
    Position Z (km) 5400.508 5402.831
    Velocity X (km/s) 4.906 -5.878
    Velocity Y (km/s) 5.765 1.661
    Velocity Z (km/s) -0.992 4.577

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2639 TIANMU-1 07
    Semimajor Axis (a) 6848.818 km 6850.929 km
    Eccentricity (e) 0.000131 0.000403
    Inclination (i) 53.1589° 97.2455°
    RAAN 227.0932° 338.3651°
    Perigee Argument 93.5376° 76.1266°
    Mean Anomaly (M) 266.5775° 284.0424°
    Apogee 471.577 km 475.556 km
    Perigee 469.785 km 470.028 km
    Orbit Epoch 2026-10-17T05:30:31+0000 2026-10-17T11:57:32+0000

    STARLINK-2639 & TIANMU-1 07 Collision Probability (Pc) Trend

    STARLINK-2639 & TIANMU-1 07 Collision Probability (Pc) TrendNot Available

    STARLINK-2639 & TIANMU-1 07 Miss Distance (Miss Distance) Trend

    STARLINK-2639 & TIANMU-1 07 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2639Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 07Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2639Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 07Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2639

    No nearby objects data