Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.579061E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T15:41:56+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 69002
    NORAD ID 69002
    Object Type PAYLOAD
    Country
    SG SG
    ← VS →

    2 Object 2

    AOE ID 69939
    NORAD ID 69939
    Object Type PAYLOAD
    Country
    DE DE

    Conjunction Constraints

    Parameter NULINK-1 CLOUDCT-PRECURSOR
    Time of Closest Approach 2026-10-21T17:59:29+0000
    Collision Probability (Pc) 3.579061E-7
    Conjunction Distance (km) 2.481 km
    Relative Speed (km/s) 0.473 km/s
    Conjunction Risk Parameters R (Radial): 1.62 | I (In-track): -1.876 | C (Cross-track): 0.101
    Collision Risk Index (CRI) 0.26
    X Position (km) -245.345 -243.441
    Position Y (km) 906.613 906.747
    Position Z (km) 6895.889 6894.304
    Velocity X (km/s) 7.448 7.355
    Velocity Y (km/s) 1.322 1.779
    Velocity Z (km/s) 0.092 0.019

    Orbital Parameters 国际轨道数据源

    Parameter NULINK-1 CLOUDCT-PRECURSOR
    Semimajor Axis (a) 6966.935 km 6967.675 km
    Eccentricity (e) 0.000096 0.000976
    Inclination (i) 97.7196° 97.7471°
    RAAN 187.7844° 191.3850°
    Perigee Argument 357.3898° 167.9391°
    Mean Anomaly (M) 2.7316° 192.2064°
    Apogee 589.470 km 596.339 km
    Perigee 588.126 km 582.737 km
    Orbit Epoch 2026-10-19T12:30:37+0000 2026-10-19T12:29:57+0000

    NULINK-1 & CLOUDCT-PRECURSOR Collision Probability (Pc) Trend

    NULINK-1 & CLOUDCT-PRECURSOR Collision Probability (Pc) TrendNot Available

    NULINK-1 & CLOUDCT-PRECURSOR Miss Distance (Miss Distance) Trend

    NULINK-1 & CLOUDCT-PRECURSOR Miss Distance (Miss Distance) TrendNot Available

    NULINK-1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    CLOUDCT-PRECURSORMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NULINK-1Collision Probability Trend

    Object 1 Probability TrendNot Available

    CLOUDCT-PRECURSORCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NULINK-1

    No nearby objects data