Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.116647E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:20:47+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 28220
    NORAD ID 28220
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 57858
    NORAD ID 57858
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TANSUO 1 STARLINK-30290
    Time of Closest Approach 2026-09-05T06:52:31+0000
    Collision Probability (Pc) 8.116647E-6
    Conjunction Distance (km) 1.413 km
    Relative Speed (km/s) 14.638 km/s
    Conjunction Risk Parameters R (Radial): 0.419 | I (In-track): 0.38 | C (Cross-track): 1.295
    Collision Risk Index (CRI) 0.53
    X Position (km) -5243.575 -5244.339
    Position Y (km) 3287.704 3286.74
    Position Z (km) -2922.6 -2923.296
    Velocity X (km/s) 3.334 -4.75
    Velocity Y (km/s) -0.728 -2.993
    Velocity Z (km/s) -6.823 5.167

    Orbital Parameters 国际轨道数据源

    Parameter TANSUO 1 STARLINK-30290
    Semimajor Axis (a) 6837.205 km 6840.878 km
    Eccentricity (e) 0.000662 0.000138
    Inclination (i) 97.8639° 53.1599°
    RAAN 329.9463° 175.6406°
    Perigee Argument 100.9046° 80.2978°
    Mean Anomaly (M) 259.2942° 279.8181°
    Apogee 463.597 km 463.688 km
    Perigee 454.539 km 461.794 km
    Orbit Epoch 2026-09-03T16:27:05+0000 2026-09-03T19:03:38+0000

    TANSUO 1 & STARLINK-30290 Collision Probability (Pc) Trend

    TANSUO 1 & STARLINK-30290 Collision Probability (Pc) TrendNot Available

    TANSUO 1 & STARLINK-30290 Miss Distance (Miss Distance) Trend

    TANSUO 1 & STARLINK-30290 Miss Distance (Miss Distance) TrendNot Available

    TANSUO 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30290Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TANSUO 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30290Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TANSUO 1

    No nearby objects data