🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.65 AU - 0.83 AU

Year: 237 Days

Day: 47.5 Hours

Environment

Temp: 122 °C

Axial Tilt: 41.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.86 AU - 1.16 AU

Year: 378 Days

Day: 15.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.77 AU - 2.21 AU

Year: 1046 Days

Day: 29.6 Hours

Environment

Temp: -66 °C

Axial Tilt: 72.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 14.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.13 AU - 5.15 AU

Year: 3726 Days

Day: 10.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,797,847 km

• M1: 184,155 km (0.105 R)
• M2: 681,568 km (0.087 R)
• M3: 5,745,605 km (0.087 R)
• M4: 6,353,272 km (0.12 R)
• M5: 6,939,995 km (0.084 R)
• M6: 8,366,411 km (0.109 R)
• M7: 9,578,602 km (0.109 R)
• M8: 11,388,288 km (0.035 R)
• M9: 12,256,853 km (0.087 R)
• M10: 16,693,477 km (0.117 R)
• M11: 17,218,416 km (0.051 R)
• M12: 18,362,989 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.4

Radius: 11

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.35 AU - 5.71 AU

Year: 4848 Days

Day: 6.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,797,847 km

• M1: 136,732 km (0.093 R)
• M2: 669,002 km (0.093 R)
• M3: 1,164,171 km (0.084 R)
• M4: 1,636,451 km (0.119 R)
• M5: 2,025,406 km (0.094 R)
• M6: 2,493,049 km (0.081 R)
• M7: 2,862,555 km (0.099 R)
• M8: 3,647,645 km (0.062 R)
• M9: 4,857,443 km (0.035 R)
• M10: 5,851,820 km (0.041 R)
• M11: 7,045,312 km (0.07 R)
• M12: 7,465,233 km (0.1 R)
• M13: 8,317,193 km (0.094 R)
• M14: 9,482,261 km (0.097 R)
• M15: 9,908,316 km (0.112 R)
• M16: 12,636,682 km (0.084 R)
• M17: 13,048,674 km (0.041 R)
• M18: 16,922,511 km (0.06 R)
• M19: 18,258,719 km (0.06 R)
• M20: 18,852,473 km (0.082 R)
• M21: 20,925,152 km (0.101 R)
• M22: 23,452,907 km (0.058 R)
• M23: 26,932,703 km (0.096 R)
• M24: 29,285,578 km (0.049 R)
• M25: 31,301,410 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 9.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.04 AU - 9.34 AU

Year: 8737 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,797,847 km

• M1: 122,521 km (0.119 R)
• M2: 457,171 km (0.052 R)
• M3: 842,386 km (0.073 R)
• M4: 1,253,481 km (0.104 R)
• M5: 2,456,397 km (0.077 R)
• M6: 3,081,567 km (0.046 R)
• M7: 3,669,037 km (0.056 R)
• M8: 4,303,632 km (0.06 R)
• M9: 5,038,456 km (0.116 R)
• M10: 7,903,256 km (0.074 R)
• M11: 8,339,782 km (0.104 R)
• M12: 8,834,502 km (0.108 R)
• M13: 9,613,010 km (0.09 R)
• M14: 9,927,763 km (0.102 R)
• M15: 11,708,128 km (0.09 R)
• M16: 15,765,671 km (0.118 R)
• M17: 16,522,486 km (0.068 R)
• M18: 19,577,574 km (0.113 R)
• M19: 20,378,072 km (0.105 R)
• M20: 21,124,416 km (0.11 R)
• M21: 22,513,881 km (0.101 R)
• M22: 25,645,713 km (0.111 R)
• M23: 27,495,341 km (0.049 R)
• M24: 32,354,878 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.6

Radius: 4.2

Gravity: 50.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 11.94 AU - 16.66 AU

Year: 20159 Days

Day: 15.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,797,847 km

• M1: 52,210 km (0.083 R)
• M2: 249,080 km (0.096 R)
• M3: 388,655 km (0.037 R)
• M4: 590,762 km (0.07 R)
• M5: 752,328 km (0.086 R)
• M6: 1,018,163 km (0.113 R)
• M7: 1,194,689 km (0.076 R)
• M8: 1,328,579 km (0.094 R)
• M9: 2,768,608 km (0.119 R)
• M10: 2,924,788 km (0.106 R)
• M11: 6,430,764 km (0.058 R)
• M12: 8,684,904 km (0.099 R)
• M13: 10,512,392 km (0.102 R)
• M14: 12,023,330 km (0.095 R)
• M15: 13,673,096 km (0.072 R)
• M16: 14,513,088 km (0.111 R)
• M17: 18,308,685 km (0.04 R)
• M18: 19,899,359 km (0.07 R)
• M19: 22,716,437 km (0.119 R)
• M20: 26,597,005 km (0.085 R)
• M21: 35,073,520 km (0.091 R)
• M22: 38,404,466 km (0.078 R)
• M23: 41,310,255 km (0.11 R)
• M24: 41,782,087 km (0.051 R)
• M25: 43,380,690 km (0.097 R)
• M26: 44,195,101 km (0.109 R)
• M27: 58,252,962 km (0.096 R)
• M28: 60,649,969 km (0.05 R)
• M29: 61,667,683 km (0.029 R)
• M30: 64,367,326 km (0.062 R)
• M31: 68,015,121 km (0.106 R)
• M32: 69,556,278 km (0.068 R)
• M33: 72,252,331 km (0.075 R)
• M34: 73,626,088 km (0.102 R)
• M35: 76,662,027 km (0.091 R)
• M36: 81,740,875 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.7

Radius: 4.7

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 15.3 AU - 22.9 AU

Year: 31117 Days

Day: 21.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,797,847 km

• M1: 61,036 km (0.044 R)
• M2: 389,403 km (0.103 R)
• M3: 547,229 km (0.081 R)
• M4: 833,111 km (0.117 R)
• M5: 1,238,521 km (0.064 R)
• M6: 1,500,317 km (0.118 R)
• M7: 1,848,880 km (0.078 R)
• M8: 2,683,636 km (0.107 R)
• M9: 4,322,481 km (0.074 R)
• M10: 4,506,935 km (0.111 R)
• M11: 5,194,487 km (0.104 R)
• M12: 5,689,955 km (0.105 R)
• M13: 7,990,471 km (0.078 R)
• M14: 8,553,557 km (0.117 R)
• M15: 9,863,436 km (0.081 R)
• M16: 10,788,998 km (0.101 R)
• M17: 19,940,050 km (0.107 R)
• M18: 24,380,414 km (0.071 R)
• M19: 26,062,941 km (0.116 R)
• M20: 37,679,814 km (0.073 R)
• M21: 39,654,805 km (0.094 R)
• M22: 44,819,522 km (0.053 R)
• M23: 45,110,789 km (0.044 R)
• M24: 48,245,912 km (0.074 R)
• M25: 50,101,075 km (0.113 R)
• M26: 51,363,980 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 10,544 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit