Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.367487E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-31T17:22:16+0800
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    1 Object 1

    AOE ID 6206
    NORAD ID 6206
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 69848
    NORAD ID 69848
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter COSMOS 521 QIANFAN-219
    Time of Closest Approach 2026-08-31T12:44:02+0000
    Collision Probability (Pc) 1.367487E-5
    Conjunction Distance (km) 1.009 km
    Relative Speed (km/s) 5.828 km/s
    Conjunction Risk Parameters R (Radial): 0.76 | I (In-track): 0.611 | C (Cross-track): -0.257
    Collision Risk Index (CRI) 0.58
    X Position (km) -2357.517 -2357.82
    Position Y (km) -3269.202 -3270.112
    Position Z (km) 6167.86 6168.169
    Velocity X (km/s) 2.077 -3.422
    Velocity Y (km/s) -6.533 -5.146
    Velocity Z (km/s) -2.657 -4

    Orbital Parameters 国际轨道数据源

    Parameter COSMOS 521 QIANFAN-219
    Semimajor Axis (a) 7368.705 km 7388.705 km
    Eccentricity (e) 0.001071 0.003777
    Inclination (i) 65.8267° 89.0058°
    RAAN 98.8773° 55.7703°
    Perigee Argument 337.2928° 65.4404°
    Mean Anomaly (M) 129.7361° 295.0686°
    Apogee 998.464 km 1038.478 km
    Perigee 982.672 km 982.658 km
    Orbit Epoch 2026-08-31T00:27:43+0000 2026-08-31T03:21:13+0000

    COSMOS 521 & QIANFAN-219 Collision Probability (Pc) Trend

    COSMOS 521 & QIANFAN-219 Collision Probability (Pc) TrendNot Available

    COSMOS 521 & QIANFAN-219 Miss Distance (Miss Distance) Trend

    COSMOS 521 & QIANFAN-219 Miss Distance (Miss Distance) TrendNot Available

    COSMOS 521Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-219Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    COSMOS 521Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-219Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with COSMOS 521

    No nearby objects data