🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.51 AU - 0.71 AU

Year: 180 Days

Day: 39.1 Hours

Environment

Temp: 147 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.71 AU - 1.13 AU

Year: 334 Days

Day: 13 Hours

Environment

Temp: 34 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.28 AU - 1.94 AU

Year: 774 Days

Day: 22.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,511,322 km

• M1: 475,572 km (0.042 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.79 AU - 2.89 AU

Year: 1356 Days

Day: 37.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.41 AU - 3.85 AU

Year: 2097 Days

Day: 33.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.3

Radius: 11.1

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.15 AU - 5.27 AU

Year: 3872 Days

Day: 9.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,511,322 km

• M1: 138,079 km (0.113 R)
• M2: 684,560 km (0.036 R)
• M3: 1,036,414 km (0.089 R)
• M4: 1,458,878 km (0.059 R)
• M5: 1,863,391 km (0.073 R)
• M6: 2,799,126 km (0.068 R)
• M7: 3,236,700 km (0.115 R)
• M8: 3,935,172 km (0.106 R)
• M9: 5,062,990 km (0.084 R)
• M10: 5,547,987 km (0.099 R)
• M11: 6,182,730 km (0.11 R)
• M12: 6,674,309 km (0.111 R)
• M13: 7,358,869 km (0.105 R)
• M14: 8,380,622 km (0.058 R)
• M15: 8,868,311 km (0.074 R)
• M16: 9,983,264 km (0.087 R)
• M17: 11,144,593 km (0.11 R)
• M18: 11,874,032 km (0.063 R)
• M19: 13,077,247 km (0.112 R)
• M20: 14,519,371 km (0.111 R)
• M21: 15,114,022 km (0.114 R)
• M22: 17,174,284 km (0.079 R)
• M23: 20,538,740 km (0.095 R)
• M24: 24,851,049 km (0.099 R)
• M25: 26,333,414 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.6

Radius: 10.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.53 AU - 8.19 AU

Year: 7563 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,511,322 km

• M1: 133,142 km (0.12 R)
• M2: 505,342 km (0.086 R)
• M3: 959,970 km (0.099 R)
• M4: 1,727,107 km (0.06 R)
• M5: 2,152,863 km (0.061 R)
• M6: 4,071,605 km (0.06 R)
• M7: 9,575,461 km (0.098 R)
• M8: 11,743,134 km (0.06 R)
• M9: 13,339,193 km (0.059 R)
• M10: 13,921,727 km (0.09 R)
• M11: 14,765,759 km (0.088 R)
• M12: 16,423,153 km (0.116 R)
• M13: 21,103,921 km (0.091 R)
• M14: 26,332,217 km (0.102 R)
• M15: 29,341,528 km (0.095 R)
• M16: 30,526,941 km (0.084 R)
• M17: 34,058,498 km (0.119 R)
• M18: 37,278,593 km (0.073 R)
• M19: 37,853,647 km (0.05 R)
• M20: 40,333,381 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.7

Radius: 12.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.22 AU - 7.6 AU

Year: 7640 Days

Day: 11.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,511,322 km

• M1: 160,818 km (0.062 R)
• M2: 670,946 km (0.086 R)
• M3: 1,086,081 km (0.113 R)
• M4: 1,501,364 km (0.032 R)
• M5: 1,964,669 km (0.075 R)
• M6: 2,366,040 km (0.063 R)
• M7: 3,339,024 km (0.096 R)
• M8: 3,820,730 km (0.098 R)
• M9: 4,296,600 km (0.12 R)
• M10: 4,727,891 km (0.104 R)
• M11: 5,615,306 km (0.09 R)
• M12: 6,232,995 km (0.107 R)
• M13: 6,716,645 km (0.119 R)
• M14: 7,451,320 km (0.085 R)
• M15: 8,569,116 km (0.115 R)
• M16: 9,478,521 km (0.115 R)
• M17: 9,980,123 km (0.12 R)
• M18: 10,499,227 km (0.103 R)
• M19: 12,595,393 km (0.093 R)
• M20: 17,128,807 km (0.073 R)
• M21: 17,805,587 km (0.12 R)
• M22: 24,130,735 km (0.081 R)
• M23: 26,563,645 km (0.046 R)
• M24: 27,379,253 km (0.075 R)
• M25: 28,586,807 km (0.096 R)
• M26: 33,458,611 km (0.103 R)
• M27: 35,270,690 km (0.107 R)
• M28: 36,811,249 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 10,638 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit