Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.088399E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T09:27:26+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 68913
    NORAD ID 68913
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-37504
    Time of Closest Approach 2026-10-22T04:17:45+0000
    Collision Probability (Pc) 3.088399E-5
    Conjunction Distance (km) 0.874 km
    Relative Speed (km/s) 9.293 km/s
    Conjunction Risk Parameters R (Radial): 0.821 | I (In-track): 0.234 | C (Cross-track): -0.186
    Collision Risk Index (CRI) 0.65
    X Position (km) 1105.916 1105.783
    Position Y (km) 2.413 2.711
    Position Z (km) 6745.909 6745.099
    Velocity X (km/s) -4.48 4.69
    Velocity Y (km/s) -6.135 -5.975
    Velocity Z (km/s) 0.732 -0.765

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-37504
    Semimajor Axis (a) 6840.451 km 6843.660 km
    Eccentricity (e) 0.000604 0.000142
    Inclination (i) 97.4555° 97.2833°
    RAAN 52.7960° 127.6917°
    Perigee Argument 220.8664° 91.7009°
    Mean Anomaly (M) 139.2127° 268.4396°
    Apogee 466.447 km 466.496 km
    Perigee 458.181 km 464.550 km
    Orbit Epoch 2026-10-21T20:06:15+0000 2026-10-20T23:41:25+0000

    TIANMU-1 20 & STARLINK-37504 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-37504 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-37504 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-37504 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37504Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37504Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data