Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.388546E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T02:02:43+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 20892
    NORAD ID 20892
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 28254
    NORAD ID 28254
    Object Type PAYLOAD
    Country
    TW TW

    Conjunction Constraints

    Parameter CZ-4 DEB ROCSAT 2
    Time of Closest Approach 2026-10-14T03:34:01+0000
    Collision Probability (Pc) 5.388546E-6
    Conjunction Distance (km) 1.575 km
    Relative Speed (km/s) 13.506 km/s
    Conjunction Risk Parameters R (Radial): 0.226 | I (In-track): 0.634 | C (Cross-track): 1.424
    Collision Risk Index (CRI) 0.5
    X Position (km) -186.112 -184.565
    Position Y (km) 2692.516 2692.722
    Position Z (km) 6739.662 6739.865
    Velocity X (km/s) 3.52 2.635
    Velocity Y (km/s) -6.016 6.457
    Velocity Z (km/s) 2.604 -2.501

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB ROCSAT 2
    Semimajor Axis (a) 7329.744 km 7267.642 km
    Eccentricity (e) 0.015998 0.000213
    Inclination (i) 98.8971° 98.8575°
    RAAN 115.2217° 248.8489°
    Perigee Argument 16.8012° 55.6837°
    Mean Anomaly (M) 159.8928° 10.0028°
    Apogee 1068.868 km 891.054 km
    Perigee 834.346 km 887.956 km
    Orbit Epoch 2026-10-12T06:57:37+0000 2026-10-11T22:13:52+0000

    CZ-4 DEB & ROCSAT 2 Collision Probability (Pc) Trend

    CZ-4 DEB & ROCSAT 2 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & ROCSAT 2 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & ROCSAT 2 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ROCSAT 2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ROCSAT 2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data