🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.43 AU - 0.63 AU

Year: 140 Days

Day: 18.1 Hours

Environment

Temp: 195 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 19,524,856 km

• M1: 36,203 km (0.11 R)
• M2: 258,356 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.83 AU - 1.25 AU

Year: 385 Days

Day: 45.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 48 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 19,524,856 km

• M1: 829,969 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.19 AU - 3.49 AU

Year: 2218 Days

Day: 34.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.19 AU - 3.77 AU

Year: 2359 Days

Day: 34.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,524,856 km

• M1: 61,036 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.3

Radius: 11.3

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.96 AU - 5.84 AU

Year: 3942 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 19,524,856 km

• M1: 150,645 km (0.115 R)
• M2: 222,003 km (0.049 R)
• M3: 804,986 km (0.036 R)
• M4: 1,038,359 km (0.037 R)
• M5: 1,264,551 km (0.093 R)
• M6: 1,650,214 km (0.118 R)
• M7: 1,764,956 km (0.118 R)
• M8: 2,037,224 km (0.109 R)
• M9: 2,323,255 km (0.098 R)
• M10: 2,489,907 km (0.12 R)
• M11: 2,796,134 km (0.092 R)
• M12: 2,874,523 km (0.089 R)
• M13: 3,134,823 km (0.118 R)
• M14: 3,340,371 km (0.089 R)
• M15: 3,508,070 km (0.079 R)
• M16: 3,917,370 km (0.106 R)
• M17: 4,364,967 km (0.102 R)
• M18: 4,971,287 km (0.064 R)
• M19: 5,115,050 km (0.085 R)
• M20: 5,653,902 km (0.092 R)
• M21: 6,185,124 km (0.104 R)
• M22: 6,262,316 km (0.05 R)
• M23: 6,469,809 km (0.1 R)
• M24: 6,600,707 km (0.116 R)
• M25: 6,706,024 km (0.077 R)
• M26: 6,891,675 km (0.038 R)
• M27: 7,623,956 km (0.105 R)
• M28: 8,523,638 km (0.048 R)
• M29: 8,782,741 km (0.088 R)
• M30: 9,545,840 km (0.103 R)
• M31: 9,665,219 km (0.086 R)
• M32: 9,785,047 km (0.036 R)
• M33: 9,905,324 km (0.068 R)
• M34: 10,545,004 km (0.102 R)
• M35: 10,947,722 km (0.088 R)
• M36: 11,323,960 km (0.053 R)
• M37: 11,864,308 km (0.111 R)
• M38: 11,960,499 km (0.101 R)
• M39: 12,904,013 km (0.085 R)
• M40: 13,736,675 km (0.096 R)
• M41: 13,905,272 km (0.068 R)
• M42: 14,483,767 km (0.108 R)
• M43: 15,734,554 km (0.093 R)
• M44: 16,983,697 km (0.052 R)
• M45: 17,419,176 km (0.074 R)
• M46: 17,565,184 km (0.102 R)
• M47: 17,785,092 km (0.029 R)
• M48: 17,895,346 km (0.105 R)
• M49: 18,227,304 km (0.052 R)
• M50: 18,524,256 km (0.106 R)
• M51: 18,636,005 km (0.119 R)
• M52: 19,198,194 km (0.068 R)
• M53: 19,386,837 km (0.05 R)
• M54: 19,918,208 km (0.079 R)
• M55: 20,185,839 km (0.101 R)
• M56: 20,262,433 km (0.059 R)
• M57: 20,917,971 km (0.091 R)
• M58: 22,328,978 km (0.11 R)
• M59: 22,487,552 km (0.06 R)
• M60: 22,965,816 km (0.104 R)
• M61: 24,298,434 km (0.09 R)
• M62: 24,420,805 km (0.078 R)
• M63: 24,994,663 km (0.103 R)
• M64: 25,324,676 km (0.113 R)
• M65: 25,947,152 km (0.04 R)
• M66: 26,155,692 km (0.082 R)
• M67: 26,616,603 km (0.097 R)
• M68: 26,742,863 km (0.094 R)
• M69: 27,249,551 km (0.115 R)
• M70: 27,546,503 km (0.075 R)
• M71: 27,674,260 km (0.104 R)
• M72: 28,401,156 km (0.113 R)
• M73: 28,573,193 km (0.063 R)
• M74: 28,659,212 km (0.119 R)
• M75: 28,874,932 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 14.6

Radius: 3.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 13.39 AU - 13.39 AU

Year: 17807 Days

Day: 22.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 84.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 19,524,856 km

• M1: 109,506 km (0.098 R)
• M2: 137,331 km (0.071 R)
• M3: 219,759 km (0.11 R)
• M4: 250,876 km (0.111 R)
• M5: 1,033,721 km (0.078 R)
• M6: 1,533,528 km (0.114 R)
• M7: 1,646,474 km (0.11 R)
• M8: 1,788,293 km (0.091 R)
• M9: 1,974,393 km (0.114 R)
• M10: 2,510,103 km (0.085 R)
• M11: 2,978,494 km (0.1 R)
• M12: 3,755,355 km (0.034 R)
• M13: 3,805,919 km (0.085 R)
• M14: 3,873,687 km (0.051 R)
• M15: 4,271,019 km (0.051 R)
• M16: 4,412,240 km (0.095 R)
• M17: 5,984,962 km (0.091 R)
• M18: 6,850,386 km (0.113 R)
• M19: 8,428,494 km (0.109 R)
• M20: 9,740,018 km (0.074 R)
• M21: 10,680,839 km (0.027 R)
• M22: 10,752,497 km (0.056 R)
• M23: 10,848,389 km (0.107 R)
• M24: 10,968,665 km (0.061 R)
• M25: 11,259,035 km (0.063 R)
• M26: 11,723,985 km (0.119 R)
• M27: 11,798,036 km (0.114 R)
• M28: 12,496,060 km (0.102 R)
• M29: 12,546,325 km (0.061 R)
• M30: 12,571,607 km (0.102 R)
• M31: 12,596,739 km (0.112 R)
• M32: 13,028,329 km (0.048 R)
• M33: 13,181,667 km (0.061 R)
• M34: 13,593,809 km (0.082 R)
• M35: 13,645,570 km (0.099 R)
• M36: 14,167,218 km (0.052 R)
• M37: 15,203,183 km (0.115 R)
• M38: 15,364,749 km (0.045 R)
• M39: 15,526,763 km (0.065 R)
• M40: 15,689,525 km (0.07 R)
• M41: 15,934,567 km (0.098 R)
• M42: 16,677,320 km (0.096 R)
• M43: 16,927,448 km (0.04 R)
• M44: 17,487,692 km (0.114 R)
• M45: 17,600,339 km (0.104 R)
• M46: 18,943,429 km (0.099 R)
• M47: 19,030,196 km (0.119 R)
• M48: 19,088,240 km (0.082 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 18,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit