Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.333989E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:39:26+0800
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    1 Object 1

    AOE ID 35866
    NORAD ID 35866
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 61554
    NORAD ID 61554
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STERKH 2 QIANFAN-21
    Time of Closest Approach 2026-09-13T20:26:52+0000
    Collision Probability (Pc) 1.333989E-5
    Conjunction Distance (km) 1.227 km
    Relative Speed (km/s) 14.814 km/s
    Conjunction Risk Parameters R (Radial): 0.752 | I (In-track): -0.086 | C (Cross-track): 0.965
    Collision Risk Index (CRI) 0.58
    X Position (km) -3633.426 -3633.682
    Position Y (km) -3729.833 -3728.718
    Position Z (km) -4967.084 -4966.645
    Velocity X (km/s) -4.617 3.711
    Velocity Y (km/s) -2.505 3.545
    Velocity Z (km/s) 5.266 -5.388

    Orbital Parameters 国际轨道数据源

    Parameter STERKH 2 QIANFAN-21
    Semimajor Axis (a) 7190.019 km 7193.611 km
    Eccentricity (e) 0.000394 0.001031
    Inclination (i) 98.7250° 88.9761°
    RAAN 214.2676° 45.1035°
    Perigee Argument 45.8332° 184.5579°
    Mean Anomaly (M) 314.3170° 175.5520°
    Apogee 814.718 km 822.893 km
    Perigee 809.046 km 808.055 km
    Orbit Epoch 2026-09-10T18:27:21+0000 2026-09-10T22:12:12+0000

    STERKH 2 & QIANFAN-21 Collision Probability (Pc) Trend

    STERKH 2 & QIANFAN-21 Collision Probability (Pc) TrendNot Available

    STERKH 2 & QIANFAN-21 Miss Distance (Miss Distance) Trend

    STERKH 2 & QIANFAN-21 Miss Distance (Miss Distance) TrendNot Available

    STERKH 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STERKH 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STERKH 2

    No nearby objects data