Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.194435E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T13:57:58+0800
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    1 Object 1

    Name OV1-2
    AOE ID 1613
    NORAD ID 1613
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name NOAA 18
    AOE ID 28654
    NORAD ID 28654
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OV1-2 NOAA 18
    Time of Closest Approach 2026-10-30T09:36:48+0000
    Collision Probability (Pc) 1.194435E-6
    Conjunction Distance (km) 2.956 km
    Relative Speed (km/s) 11.735 km/s
    Conjunction Risk Parameters R (Radial): -0.611 | I (In-track): -1.81 | C (Cross-track): 2.255
    Collision Risk Index (CRI) 0.37
    X Position (km) -5689.346 -5691.537
    Position Y (km) -2766.974 -2765.219
    Position Z (km) 3464.354 3463.429
    Velocity X (km/s) -1.232 -3.742
    Velocity Y (km/s) 7.217 -0.376
    Velocity Z (km/s) 2.168 -6.42

    Orbital Parameters 国际轨道数据源

    Parameter OV1-2 NOAA 18
    Semimajor Axis (a) 7630.942 km 7224.704 km
    Eccentricity (e) 0.112284 0.001508
    Inclination (i) 144.2289° 98.8022°
    RAAN 240.7770° 18.6502°
    Perigee Argument 101.6199° 131.2391°
    Mean Anomaly (M) 271.2393° 229.0084°
    Apogee 2109.642 km 857.465 km
    Perigee 395.968 km 835.669 km
    Orbit Epoch 2026-10-27T02:12:14+0000 2026-10-27T23:09:08+0000

    OV1-2 & NOAA 18 Collision Probability (Pc) Trend

    OV1-2 & NOAA 18 Collision Probability (Pc) TrendNot Available

    OV1-2 & NOAA 18 Miss Distance (Miss Distance) Trend

    OV1-2 & NOAA 18 Miss Distance (Miss Distance) TrendNot Available

    OV1-2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    NOAA 18Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OV1-2Collision Probability Trend

    Object 1 Probability TrendNot Available

    NOAA 18Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OV1-2

    No nearby objects data