🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.52 AU - 0.8 AU

Year: 239 Days

Day: 29.7 Hours

Environment

Temp: -20 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 1.98 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 12

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.73 AU - 3.87 AU

Year: 2675 Days

Day: 8.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,042,006 km

• M1: 150,196 km (0.111 R)
• M2: 721,062 km (0.053 R)
• M3: 1,096,104 km (0.062 R)
• M4: 2,020,918 km (0.117 R)
• M5: 3,017,987 km (0.12 R)
• M6: 3,598,577 km (0.047 R)
• M7: 3,977,807 km (0.09 R)
• M8: 4,517,856 km (0.103 R)
• M9: 5,230,091 km (0.094 R)
• M10: 6,126,332 km (0.082 R)
• M11: 6,611,478 km (0.08 R)
• M12: 7,434,865 km (0.114 R)
• M13: 8,359,679 km (0.066 R)
• M14: 8,993,674 km (0.1 R)
• M15: 11,341,314 km (0.108 R)
• M16: 12,341,076 km (0.102 R)
• M17: 12,931,689 km (0.1 R)
• M18: 20,165,943 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403

Radius: 11

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.4 AU - 4.72 AU

Year: 4345 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,042,006 km

• M1: 136,882 km (0.053 R)
• M2: 563,086 km (0.109 R)
• M3: 1,152,951 km (0.108 R)
• M4: 1,624,782 km (0.097 R)
• M5: 2,061,459 km (0.045 R)
• M6: 2,514,740 km (0.049 R)
• M7: 3,139,461 km (0.098 R)
• M8: 3,926,795 km (0.089 R)
• M9: 4,722,356 km (0.1 R)
• M10: 5,438,631 km (0.112 R)
• M11: 6,340,257 km (0.118 R)
• M12: 6,872,526 km (0.114 R)
• M13: 8,196,767 km (0.108 R)
• M14: 9,799,558 km (0.07 R)
• M15: 12,129,695 km (0.092 R)
• M16: 14,960,834 km (0.096 R)
• M17: 15,323,609 km (0.104 R)
• M18: 15,852,138 km (0.104 R)
• M19: 16,723,097 km (0.092 R)
• M20: 19,039,620 km (0.1 R)
• M21: 21,562,588 km (0.088 R)
• M22: 21,959,322 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 10.8

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.71 AU - 5.73 AU

Year: 5322 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,042,006 km

• M1: 134,339 km (0.072 R)
• M2: 961,316 km (0.12 R)
• M3: 1,330,823 km (0.086 R)
• M4: 2,069,238 km (0.096 R)
• M5: 2,592,980 km (0.067 R)
• M6: 3,142,453 km (0.096 R)
• M7: 4,050,662 km (0.117 R)
• M8: 4,527,131 km (0.114 R)
• M9: 5,097,099 km (0.118 R)
• M10: 5,563,096 km (0.042 R)
• M11: 6,513,491 km (0.116 R)
• M12: 6,853,228 km (0.052 R)
• M13: 7,348,995 km (0.11 R)
• M14: 7,792,852 km (0.118 R)
• M15: 8,452,429 km (0.093 R)
• M16: 8,939,969 km (0.113 R)
• M17: 10,843,153 km (0.075 R)
• M18: 11,566,459 km (0.108 R)
• M19: 12,843,127 km (0.074 R)
• M20: 14,042,303 km (0.119 R)
• M21: 16,101,817 km (0.097 R)
• M22: 19,874,825 km (0.07 R)
• M23: 21,928,056 km (0.102 R)
• M24: 23,005,909 km (0.073 R)
• M25: 25,267,230 km (0.073 R)
• M26: 25,686,104 km (0.103 R)
• M27: 26,109,616 km (0.084 R)
• M28: 30,133,649 km (0.088 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 12,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit