🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.49 AU - 0.52 AU

Year: 125 Days

Day: 38.8 Hours

Environment

Temp: 232 °C

Axial Tilt: 2.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.16 AU - 4.16 AU

Year: 2996 Days

Day: 39.1 Hours

Environment

Temp: -113 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.4

Radius: 10.6

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.61 AU - 7.93 AU

Year: 6220 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,829,430 km

• M1: 134,488 km (0.073 R)
• M2: 808,128 km (0.074 R)
• M3: 1,180,327 km (0.072 R)
• M4: 2,751,554 km (0.091 R)
• M5: 3,111,486 km (0.111 R)
• M6: 3,741,293 km (0.116 R)
• M7: 4,616,441 km (0.061 R)
• M8: 5,127,766 km (0.083 R)
• M9: 6,063,950 km (0.109 R)
• M10: 7,760,090 km (0.109 R)
• M11: 8,808,472 km (0.049 R)
• M12: 12,428,292 km (0.109 R)
• M13: 14,310,682 km (0.112 R)
• M14: 15,506,118 km (0.078 R)
• M15: 17,336,000 km (0.053 R)
• M16: 21,619,286 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 11.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 9.2 AU - 12.3 AU

Year: 12445 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,829,430 km

• M1: 147,952 km (0.12 R)
• M2: 816,056 km (0.081 R)
• M3: 1,325,437 km (0.102 R)
• M4: 1,822,551 km (0.094 R)
• M5: 2,629,332 km (0.064 R)
• M6: 3,323,616 km (0.112 R)
• M7: 4,977,720 km (0.114 R)
• M8: 5,599,448 km (0.112 R)
• M9: 10,311,482 km (0.098 R)
• M10: 10,865,742 km (0.116 R)
• M11: 12,648,650 km (0.093 R)
• M12: 13,027,431 km (0.066 R)
• M13: 17,014,364 km (0.108 R)
• M14: 20,861,573 km (0.107 R)
• M15: 23,410,122 km (0.097 R)
• M16: 24,563,372 km (0.096 R)
• M17: 34,083,780 km (0.032 R)
• M18: 36,447,576 km (0.115 R)
• M19: 45,655,774 km (0.045 R)
• M20: 47,000,061 km (0.096 R)
• M21: 52,967,669 km (0.062 R)
• M22: 56,643,738 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.1

Radius: 4.4

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 15.83 AU - 22.59 AU

Year: 29730 Days

Day: 18.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,829,430 km

• M1: 59,690 km (0.068 R)
• M2: 200,012 km (0.079 R)
• M3: 338,540 km (0.078 R)
• M4: 3,077,079 km (0.084 R)
• M5: 9,001,304 km (0.098 R)
• M6: 10,146,625 km (0.092 R)
• M7: 11,680,751 km (0.118 R)
• M8: 12,102,318 km (0.112 R)
• M9: 17,744,252 km (0.065 R)
• M10: 18,140,836 km (0.059 R)
• M11: 18,869,677 km (0.117 R)
• M12: 20,732,918 km (0.05 R)
• M13: 21,261,597 km (0.101 R)
• M14: 25,117,333 km (0.072 R)
• M15: 28,324,113 km (0.089 R)
• M16: 28,865,657 km (0.088 R)
• M17: 31,330,731 km (0.08 R)
• M18: 32,851,244 km (0.101 R)
• M19: 38,759,312 km (0.101 R)
• M20: 43,592,072 km (0.106 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 12,881 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit