Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.659374E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T15:45:06+0800
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    1 Object 1

    AOE ID 49123
    NORAD ID 49123
    Object Type ROCKET BODY
    Country
    CN CN
    VS

    2 Object 2

    Name SARI-2
    AOE ID 66669
    NORAD ID 66669
    Object Type PAYLOAD
    Country
    BR BR

    Conjunction Constraints

    Parameter CZ-4C R/B SARI-2
    Time of Closest Approach 2026-09-05T10:54:36+0000
    Collision Probability (Pc) 1.659374E-6
    Conjunction Distance (km) 2.586 km
    Relative Speed (km/s) 14.85 km/s
    Conjunction Risk Parameters R (Radial): 1.136 | I (In-track): -0.574 | C (Cross-track): 2.251
    Collision Risk Index (CRI) 0.39
    X Position (km) 2557.279 2559.459
    Position Y (km) -2904.144 -2903.106
    Position Z (km) 5639.435 5640.358
    Velocity X (km/s) 2.553 -5.362
    Velocity Y (km/s) -5.884 3.453
    Velocity Z (km/s) -4.209 4.197

    Orbital Parameters 国际轨道数据源

    Parameter CZ-4C R/B SARI-2
    Semimajor Axis (a) 6914.826 km 6850.110 km
    Eccentricity (e) 0.010648 0.000738
    Inclination (i) 98.3622° 97.3999°
    RAAN 116.5051° 320.7434°
    Perigee Argument 149.0132° 96.5152°
    Mean Anomaly (M) 211.7436° 263.6930°
    Apogee 610.319 km 477.029 km
    Perigee 463.059 km 466.917 km
    Orbit Epoch 2026-09-03T04:17:15+0000 2026-09-03T21:01:36+0000

    CZ-4C R/B & SARI-2 Collision Probability (Pc) Trend

    CZ-4C R/B & SARI-2 Collision Probability (Pc) TrendNot Available

    CZ-4C R/B & SARI-2 Miss Distance (Miss Distance) Trend

    CZ-4C R/B & SARI-2 Miss Distance (Miss Distance) TrendNot Available

    CZ-4C R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SARI-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CZ-4C R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    SARI-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CZ-4C R/B

    No nearby objects data