Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.081174E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T00:47:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 44777
    NORAD ID 44777
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 48135
    NORAD ID 48135
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter JILIN-01 GAOFEN 2A STARLINK-2478
    Time of Closest Approach 2026-10-28T08:17:07+0000
    Collision Probability (Pc) 3.081174E-6
    Conjunction Distance (km) 1.915 km
    Relative Speed (km/s) 13.892 km/s
    Conjunction Risk Parameters R (Radial): -0.471 | I (In-track): -0.777 | C (Cross-track): -1.684
    Collision Risk Index (CRI) 0.45
    X Position (km) -3784.354 -3784.358
    Position Y (km) -2794.258 -2792.387
    Position Z (km) 4931.673 4932.078
    Velocity X (km/s) -5.234 6.153
    Velocity Y (km/s) -2.07 -3.721
    Velocity Z (km/s) -5.175 2.608

    Orbital Parameters 国际轨道数据源

    Parameter JILIN-01 GAOFEN 2A STARLINK-2478
    Semimajor Axis (a) 6816.457 km 6821.672 km
    Eccentricity (e) 0.000484 0.000067
    Inclination (i) 97.4910° 53.1612°
    RAAN 27.4207° 170.7726°
    Perigee Argument 339.0867° 44.6849°
    Mean Anomaly (M) 21.0181° 315.4210°
    Apogee 441.617 km 443.995 km
    Perigee 435.023 km 443.075 km
    Orbit Epoch 2026-10-27T06:48:08+0000 2026-10-27T00:52:20+0000

    JILIN-01 GAOFEN 2A & STARLINK-2478 Collision Probability (Pc) Trend

    JILIN-01 GAOFEN 2A & STARLINK-2478 Collision Probability (Pc) TrendNot Available

    JILIN-01 GAOFEN 2A & STARLINK-2478 Miss Distance (Miss Distance) Trend

    JILIN-01 GAOFEN 2A & STARLINK-2478 Miss Distance (Miss Distance) TrendNot Available

    JILIN-01 GAOFEN 2AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2478Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    JILIN-01 GAOFEN 2ACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2478Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with JILIN-01 GAOFEN 2A

    No nearby objects data