Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.048953E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T00:28:43+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 29042
    NORAD ID 29042
    Object Type DEBRIS
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 63347
    NORAD ID 63347
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter CZ-4 DEB YUNYAO-1 46
    Time of Closest Approach 2026-10-27T04:24:21+0000
    Collision Probability (Pc) 3.048953E-6
    Conjunction Distance (km) 1.957 km
    Relative Speed (km/s) 14.982 km/s
    Conjunction Risk Parameters R (Radial): 1.181 | I (In-track): -0.25 | C (Cross-track): 1.541
    Collision Risk Index (CRI) 0.45
    X Position (km) -3354.628 -3356.457
    Position Y (km) 4552.797 4552.648
    Position Z (km) -3979.062 -3979.741
    Velocity X (km/s) 3.538 -1.561
    Velocity Y (km/s) -2.751 4.189
    Velocity Z (km/s) -6.127 6.132

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4 DEB YUNYAO-1 46
    Semimajor Axis (a) 6912.324 km 6909.545 km
    Eccentricity (e) 0.000873 0.001286
    Inclination (i) 97.5347° 97.6135°
    RAAN 310.8409° 120.0827°
    Perigee Argument 268.8909° 58.6171°
    Mean Anomaly (M) 91.1320° 301.6315°
    Apogee 540.221 km 540.292 km
    Perigee 528.153 km 522.524 km
    Orbit Epoch 2026-10-26T06:47:18+0000 2026-10-26T06:19:12+0000

    CZ-4 DEB & YUNYAO-1 46 Collision Probability (Pc) Trend

    CZ-4 DEB & YUNYAO-1 46 Collision Probability (Pc) TrendNot Available

    CZ-4 DEB & YUNYAO-1 46 Miss Distance (Miss Distance) Trend

    CZ-4 DEB & YUNYAO-1 46 Miss Distance (Miss Distance) TrendNot Available

    CZ-4 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNYAO-1 46Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNYAO-1 46Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4 DEB

    No nearby objects data