Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.593517E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T01:07:28+0800
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    1 Object 1

    AOE ID 58
    NORAD ID 58
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 43914
    NORAD ID 43914
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COURIER 1B HONGYAN 1
    Time of Closest Approach 2026-10-20T19:13:35+0000
    Collision Probability (Pc) 1.593517E-5
    Conjunction Distance (km) 0.992 km
    Relative Speed (km/s) 6.676 km/s
    Conjunction Risk Parameters R (Radial): 0.851 | I (In-track): 0.459 | C (Cross-track): -0.221
    Collision Risk Index (CRI) 0.59
    X Position (km) 2310.392 2311.136
    Position Y (km) -6274.192 -6274.794
    Position Z (km) 3336.559 3336.817
    Velocity X (km/s) 6.501 5.708
    Velocity Y (km/s) 3.13 -0.319
    Velocity Z (km/s) 1.114 -4.546

    Orbital Parameters 国际轨道数据源

    Parameter COURIER 1B HONGYAN 1
    Semimajor Axis (a) 7463.545 km 7473.198 km
    Eccentricity (e) 0.016494 0.000641
    Inclination (i) 28.3261° 50.0053°
    RAAN 226.1800° 135.9147°
    Perigee Argument 161.6914° 279.1128°
    Mean Anomaly (M) 198.9654° 80.9026°
    Apogee 1208.508 km 1099.849 km
    Perigee 962.308 km 1090.273 km
    Orbit Epoch 2026-10-20T01:04:42+0000 2026-10-20T13:09:23+0000

    COURIER 1B & HONGYAN 1 Collision Probability (Pc) Trend

    COURIER 1B & HONGYAN 1 Collision Probability (Pc) TrendNot Available

    COURIER 1B & HONGYAN 1 Miss Distance (Miss Distance) Trend

    COURIER 1B & HONGYAN 1 Miss Distance (Miss Distance) TrendNot Available

    COURIER 1BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HONGYAN 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COURIER 1BCollision Probability Trend

    Object 1 Probability TrendNot Available

    HONGYAN 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COURIER 1B

    No nearby objects data