Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.654982E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-11-04T12:14:43+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 44883
    NORAD ID 44883
    Object Type PAYLOAD
    Country
    CHBZ CHBZ
    ← VS →

    2 Object 2

    AOE ID 48724
    NORAD ID 48724
    Object Type DEBRIS
    Country
    US US

    Conjunction Constraints

    Parameter CBERS 4A NOAA 17 DEB
    Time of Closest Approach 2026-11-04T15:02:59+0000
    Collision Probability (Pc) 3.654982E-6
    Conjunction Distance (km) 1.167 km
    Relative Speed (km/s) 1.579 km/s
    Conjunction Risk Parameters R (Radial): 0.348 | I (In-track): -1.106 | C (Cross-track): 0.119
    Collision Risk Index (CRI) 0.46
    X Position (km) 239.642 240.726
    Position Y (km) 1082.86 1082.992
    Position Z (km) -6922.72 -6922.31
    Velocity X (km/s) 7.236 7.513
    Velocity Y (km/s) 2.003 0.468
    Velocity Z (km/s) 0.563 0.319

    Orbital Parameters 国际轨道数据源

    Parameter CBERS 4A NOAA 17 DEB
    Semimajor Axis (a) 7002.684 km 7010.973 km
    Eccentricity (e) 0.000149 0.002250
    Inclination (i) 98.0046° 98.7318°
    RAAN 15.2833° 2.8539°
    Perigee Argument 119.1444° 214.4349°
    Mean Anomaly (M) 240.9918° 145.5402°
    Apogee 625.593 km 648.615 km
    Perigee 623.501 km 617.057 km
    Orbit Epoch 2026-11-03T19:59:05+0000 2026-11-03T15:05:17+0000

    CBERS 4A & NOAA 17 DEB Collision Probability (Pc) Trend

    CBERS 4A & NOAA 17 DEB Collision Probability (Pc) TrendNot Available

    CBERS 4A & NOAA 17 DEB Miss Distance (Miss Distance) Trend

    CBERS 4A & NOAA 17 DEB Miss Distance (Miss Distance) TrendNot Available

    CBERS 4AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 17 DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CBERS 4ACollision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 17 DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CBERS 4A

    No nearby objects data