Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.574325E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:23:24+0800
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    1 Object 1

    AOE ID 58171
    NORAD ID 58171
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

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

    Conjunction Constraints

    Parameter STARLINK-30752 TIANMU-1 21
    Time of Closest Approach 2026-10-21T00:57:59+0000
    Collision Probability (Pc) 2.574325E-6
    Conjunction Distance (km) 2.081 km
    Relative Speed (km/s) 14.658 km/s
    Conjunction Risk Parameters R (Radial): -1.486 | I (In-track): 0.402 | C (Cross-track): 1.399
    Collision Risk Index (CRI) 0.43
    X Position (km) 3862.513 3860.482
    Position Y (km) 4939.472 4939.02
    Position Z (km) 2726.938 2726.905
    Velocity X (km/s) -2.509 -1.01
    Velocity Y (km/s) 4.898 -3.048
    Velocity Z (km/s) -5.297 6.928

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30752 TIANMU-1 21
    Semimajor Axis (a) 6840.869 km 6832.679 km
    Eccentricity (e) 0.000161 0.000593
    Inclination (i) 53.1561° 97.4618°
    RAAN 259.0540° 54.1284°
    Perigee Argument 87.7211° 220.7504°
    Mean Anomaly (M) 272.3976° 139.3298°
    Apogee 463.835 km 458.591 km
    Perigee 461.629 km 450.493 km
    Orbit Epoch 2026-10-19T07:40:16+0000 2026-10-19T22:18:14+0000

    STARLINK-30752 & TIANMU-1 21 Collision Probability (Pc) Trend

    STARLINK-30752 & TIANMU-1 21 Collision Probability (Pc) TrendNot Available

    STARLINK-30752 & TIANMU-1 21 Miss Distance (Miss Distance) Trend

    STARLINK-30752 & TIANMU-1 21 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30752Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30752Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30752

    No nearby objects data