Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.546859E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T15:42:54+0800
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    1 Object 1

    Name SAFIR 2
    AOE ID 25399
    NORAD ID 25399
    Object Type PAYLOAD
    Country
    DE DE
    VS

    2 Object 2

    AOE ID 61568
    NORAD ID 61568
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter SAFIR 2 QIANFAN-35
    Time of Closest Approach 2026-09-13T07:59:48+0000
    Collision Probability (Pc) 1.546859E-6
    Conjunction Distance (km) 2.683 km
    Relative Speed (km/s) 14.592 km/s
    Conjunction Risk Parameters R (Radial): 2.683 | I (In-track): -0.013 | C (Cross-track): -0.028
    Collision Risk Index (CRI) 0.39
    X Position (km) 1972.279 1971.573
    Position Y (km) 1781.718 1781.042
    Position Z (km) -6682.183 -6679.685
    Velocity X (km/s) -2.539 4.88
    Velocity Y (km/s) -6.53 4.89
    Velocity Z (km/s) -2.492 2.747

    Orbital Parameters 国际轨道数据源

    Parameter SAFIR 2 QIANFAN-35
    Semimajor Axis (a) 7184.482 km 7175.388 km
    Eccentricity (e) 0.000117 0.000851
    Inclination (i) 98.9858° 88.9830°
    RAAN 242.6814° 44.9463°
    Perigee Argument 190.6591° 106.6809°
    Mean Anomaly (M) 169.4563° 253.5321°
    Apogee 807.188 km 803.359 km
    Perigee 805.502 km 791.143 km
    Orbit Epoch 2026-09-10T13:08:07+0000 2026-09-10T19:47:18+0000

    SAFIR 2 & QIANFAN-35 Collision Probability (Pc) Trend

    SAFIR 2 & QIANFAN-35 Collision Probability (Pc) TrendNot Available

    SAFIR 2 & QIANFAN-35 Miss Distance (Miss Distance) Trend

    SAFIR 2 & QIANFAN-35 Miss Distance (Miss Distance) TrendNot Available

    SAFIR 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-35Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SAFIR 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-35Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SAFIR 2

    No nearby objects data