🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.49 AU - 1.69 AU

Year: 751 Days

Day: 29.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 12.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.41 AU - 4.49 AU

Year: 3518 Days

Day: 12.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,179,432 km

• M1: 155,432 km (0.119 R)
• M2: 771,925 km (0.055 R)
• M3: 2,007,454 km (0.04 R)
• M4: 2,909,978 km (0.068 R)
• M5: 3,563,421 km (0.1 R)
• M6: 4,811,068 km (0.097 R)
• M7: 5,400,932 km (0.113 R)
• M8: 6,096,412 km (0.118 R)
• M9: 7,299,778 km (0.103 R)
• M10: 8,618,932 km (0.029 R)
• M11: 10,009,743 km (0.106 R)
• M12: 11,103,603 km (0.109 R)
• M13: 11,679,704 km (0.076 R)
• M14: 14,653,859 km (0.084 R)
• M15: 17,090,210 km (0.099 R)
• M16: 21,301,390 km (0.081 R)
• M17: 21,915,190 km (0.11 R)
• M18: 22,540,809 km (0.075 R)
• M19: 23,178,395 km (0.106 R)
• M20: 24,638,171 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 14.3

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.77 AU - 5.21 AU

Year: 3565 Days

Day: 11.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,179,432 km

• M1: 177,872 km (0.06 R)
• M2: 667,655 km (0.114 R)
• M3: 1,231,340 km (0.106 R)
• M4: 1,761,665 km (0.106 R)
• M5: 2,373,969 km (0.065 R)
• M6: 3,041,325 km (0.094 R)
• M7: 3,598,278 km (0.116 R)
• M8: 4,528,477 km (0.065 R)
• M9: 5,333,314 km (0.057 R)
• M10: 5,876,952 km (0.105 R)
• M11: 6,429,118 km (0.05 R)
• M12: 7,260,284 km (0.118 R)
• M13: 8,296,698 km (0.085 R)
• M14: 8,886,263 km (0.033 R)
• M15: 11,070,392 km (0.092 R)
• M16: 12,002,387 km (0.065 R)
• M17: 13,450,494 km (0.111 R)
• M18: 14,022,706 km (0.118 R)
• M19: 15,472,758 km (0.052 R)
• M20: 16,637,976 km (0.089 R)
• M21: 18,146,970 km (0.103 R)
• M22: 19,023,912 km (0.075 R)
• M23: 20,298,785 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 11.5

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.75 AU - 8.65 AU

Year: 7240 Days

Day: 8.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,179,432 km

• M1: 144,063 km (0.071 R)
• M2: 556,205 km (0.101 R)
• M3: 1,076,656 km (0.102 R)
• M4: 1,579,006 km (0.114 R)
• M5: 2,409,723 km (0.083 R)
• M6: 4,357,636 km (0.115 R)
• M7: 5,652,107 km (0.096 R)
• M8: 6,880,455 km (0.042 R)
• M9: 8,127,353 km (0.086 R)
• M10: 8,627,160 km (0.08 R)
• M11: 9,188,152 km (0.091 R)
• M12: 9,730,593 km (0.091 R)
• M13: 11,487,620 km (0.087 R)
• M14: 11,921,454 km (0.104 R)
• M15: 13,447,053 km (0.112 R)
• M16: 13,929,207 km (0.062 R)
• M17: 14,589,981 km (0.094 R)
• M18: 15,796,488 km (0.098 R)
• M19: 18,147,119 km (0.112 R)
• M20: 19,473,604 km (0.099 R)
• M21: 20,230,270 km (0.105 R)
• M22: 22,096,503 km (0.103 R)
• M23: 31,086,438 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 12,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit