Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.597059E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:03:15+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 66222
    NORAD ID 66222
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-35666
    Time of Closest Approach 2026-10-21T19:44:27+0000
    Collision Probability (Pc) 1.597059E-6
    Conjunction Distance (km) 2.628 km
    Relative Speed (km/s) 14.568 km/s
    Conjunction Risk Parameters R (Radial): -1.134 | I (In-track): -0.724 | C (Cross-track): -2.256
    Collision Risk Index (CRI) 0.39
    X Position (km) 3677.82 3676.438
    Position Y (km) 4671.478 4673.174
    Position Z (km) 3372.238 3373.694
    Velocity X (km/s) -1.414 -2.446
    Velocity Y (km/s) -3.639 5.408
    Velocity Z (km/s) 6.563 -4.809

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-35666
    Semimajor Axis (a) 6832.623 km 6840.840 km
    Eccentricity (e) 0.000598 0.000130
    Inclination (i) 97.4620° 53.1561°
    RAAN 55.1196° 263.8075°
    Perigee Argument 216.7210° 94.3076°
    Mean Anomaly (M) 143.3625° 265.8075°
    Apogee 458.570 km 463.596 km
    Perigee 450.402 km 461.810 km
    Orbit Epoch 2026-10-20T21:44:21+0000 2026-10-20T08:44:06+0000

    TIANMU-1 21 & STARLINK-35666 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-35666 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-35666 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-35666 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35666Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35666Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data