🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.76 AU - 1.22 AU

Year: 345 Days

Day: 12.7 Hours

Environment

Temp: 138 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.71 AU - 1.83 AU

Year: 824 Days

Day: 45.8 Hours

Environment

Temp: -32 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.9 AU - 5.5 AU

Year: 3565 Days

Day: 28.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.42 AU - 5.7 AU

Year: 3982 Days

Day: 13.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.4

Radius: 10.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.27 AU - 7.91 AU

Year: 5918 Days

Day: 14.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,099,794 km

• M1: 136,284 km (0.116 R)
• M2: 622,926 km (0.114 R)
• M3: 1,091,167 km (0.118 R)
• M4: 1,708,557 km (0.111 R)
• M5: 2,166,776 km (0.063 R)
• M6: 4,176,025 km (0.101 R)
• M7: 5,211,990 km (0.058 R)
• M8: 6,746,565 km (0.102 R)
• M9: 8,090,702 km (0.09 R)
• M10: 10,590,931 km (0.057 R)
• M11: 14,806,300 km (0.039 R)
• M12: 16,995,365 km (0.083 R)
• M13: 24,113,531 km (0.071 R)
• M14: 30,859,797 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 13.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.99 AU - 9.05 AU

Year: 7214 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,099,794 km

• M1: 170,392 km (0.116 R)
• M2: 768,783 km (0.082 R)
• M3: 1,462,768 km (0.052 R)
• M4: 2,130,722 km (0.119 R)
• M5: 3,428,634 km (0.095 R)
• M6: 4,274,909 km (0.089 R)
• M7: 5,091,863 km (0.066 R)
• M8: 6,010,693 km (0.027 R)
• M9: 10,959,989 km (0.111 R)
• M10: 13,781,405 km (0.115 R)
• M11: 15,678,156 km (0.071 R)
• M12: 16,208,181 km (0.099 R)
• M13: 17,870,214 km (0.093 R)
• M14: 18,973,348 km (0.059 R)
• M15: 20,818,189 km (0.109 R)
• M16: 23,921,747 km (0.118 R)
• M17: 30,028,930 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 12

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 11.47 AU - 12.67 AU

Year: 14670 Days

Day: 9.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,099,794 km

• M1: 149,299 km (0.087 R)
• M2: 1,827,488 km (0.071 R)
• M3: 2,542,715 km (0.056 R)
• M4: 3,675,320 km (0.034 R)
• M5: 5,299,654 km (0.042 R)
• M6: 7,624,405 km (0.051 R)
• M7: 8,104,315 km (0.044 R)
• M8: 10,686,673 km (0.107 R)
• M9: 12,280,340 km (0.073 R)
• M10: 15,659,157 km (0.115 R)
• M11: 18,007,694 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.9

Radius: 3.3

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 12.51 AU - 18.61 AU

Year: 21473 Days

Day: 22.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 143.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,099,794 km

• M1: 42,336 km (0.068 R)
• M2: 692,638 km (0.108 R)
• M3: 873,801 km (0.091 R)
• M4: 1,404,425 km (0.105 R)
• M5: 1,585,438 km (0.071 R)
• M6: 4,289,420 km (0.093 R)
• M7: 4,477,165 km (0.083 R)
• M8: 11,553,892 km (0.08 R)
• M9: 11,760,786 km (0.045 R)
• M10: 14,498,427 km (0.094 R)
• M11: 17,837,751 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.5

Radius: 6.3

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 14.11 AU - 19.17 AU

Year: 23747 Days

Day: 16.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,099,794 km

• M1: 112,348 km (0.061 R)
• M2: 679,773 km (0.077 R)
• M3: 1,688,661 km (0.049 R)
• M4: 2,684,534 km (0.073 R)
• M5: 3,090,243 km (0.095 R)
• M6: 6,432,708 km (0.079 R)
• M7: 8,421,911 km (0.089 R)
• M8: 8,874,146 km (0.12 R)
• M9: 15,189,270 km (0.112 R)
• M10: 17,417,979 km (0.075 R)
• M11: 19,161,692 km (0.112 R)
• M12: 21,943,764 km (0.076 R)
• M13: 24,073,888 km (0.118 R)
• M14: 24,274,199 km (0.072 R)
• M15: 24,677,964 km (0.08 R)
• M16: 28,965,888 km (0.059 R)
• M17: 32,612,037 km (0.059 R)
• M18: 33,976,070 km (0.091 R)
• M19: 39,256,875 km (0.113 R)
• M20: 46,749,933 km (0.116 R)
• M21: 47,689,707 km (0.111 R)
• M22: 51,242,955 km (0.116 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 16,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit