🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.55 AU - 0.55 AU

Year: 148 Days

Day: 40.6 Hours

Environment

Temp: 246 °C

Axial Tilt: 0 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.6 AU - 2.6 AU

Year: 1101 Days

Day: 26.1 Hours

Environment

Temp: -63 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.74 AU - 4.24 AU

Year: 2358 Days

Day: 23.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.2

Radius: 13.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.18 AU - 10.18 AU

Year: 10892 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,839,910 km

• M1: 166,054 km (0.116 R)
• M2: 769,232 km (0.053 R)
• M3: 1,375,552 km (0.118 R)
• M4: 2,094,370 km (0.103 R)
• M5: 2,788,654 km (0.085 R)
• M6: 3,381,959 km (0.083 R)
• M7: 3,976,012 km (0.102 R)
• M8: 4,792,667 km (0.113 R)
• M9: 5,374,752 km (0.106 R)
• M10: 6,187,069 km (0.104 R)
• M11: 6,958,545 km (0.059 R)
• M12: 7,880,217 km (0.053 R)
• M13: 8,600,382 km (0.102 R)
• M14: 9,462,813 km (0.103 R)
• M15: 10,434,601 km (0.075 R)
• M16: 14,796,426 km (0.065 R)
• M17: 15,269,903 km (0.09 R)
• M18: 15,753,553 km (0.092 R)
• M19: 18,637,501 km (0.044 R)
• M20: 24,013,001 km (0.071 R)
• M21: 28,018,335 km (0.095 R)
• M22: 33,828,866 km (0.108 R)
• M23: 34,533,472 km (0.109 R)
• M24: 35,488,205 km (0.099 R)
• M25: 36,337,921 km (0.062 R)
• M26: 37,951,933 km (0.085 R)
• M27: 42,943,415 km (0.102 R)
• M28: 44,606,495 km (0.105 R)
• M29: 45,028,809 km (0.052 R)
• M30: 47,472,939 km (0.12 R)
• M31: 48,951,266 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.8

Radius: 6.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 11.71 AU - 15.19 AU

Year: 17839 Days

Day: 16.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,839,910 km

• M1: 80,783 km (0.082 R)
• M2: 321,635 km (0.106 R)
• M3: 965,953 km (0.041 R)
• M4: 1,584,391 km (0.09 R)
• M5: 2,164,382 km (0.06 R)
• M6: 4,533,264 km (0.1 R)
• M7: 6,520,672 km (0.078 R)
• M8: 6,932,964 km (0.095 R)
• M9: 9,064,584 km (0.082 R)
• M10: 20,783,931 km (0.112 R)
• M11: 25,968,694 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.9

Radius: 5.5

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 11.31 AU - 18.85 AU

Year: 21178 Days

Day: 15.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,839,910 km

• M1: 68,516 km (0.106 R)
• M2: 341,532 km (0.04 R)
• M3: 3,548,013 km (0.117 R)
• M4: 4,291,365 km (0.101 R)
• M5: 5,065,234 km (0.103 R)
• M6: 7,533,749 km (0.096 R)
• M7: 7,941,553 km (0.06 R)
• M8: 8,556,699 km (0.1 R)
• M9: 8,950,740 km (0.105 R)
• M10: 18,594,567 km (0.114 R)
• M11: 24,324,015 km (0.041 R)
• M12: 24,519,839 km (0.106 R)
• M13: 25,414,285 km (0.114 R)
• M14: 26,433,495 km (0.062 R)
• M15: 33,006,975 km (0.106 R)
• M16: 38,563,190 km (0.059 R)
• M17: 42,974,232 km (0.103 R)
• M18: 53,275,392 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.5

Radius: 4.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 18.54 AU - 20.82 AU

Year: 31574 Days

Day: 21.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,839,910 km

• M1: 309,967 km (0.07 R)
• M2: 455,675 km (0.106 R)
• M3: 1,521,560 km (0.061 R)
• M4: 1,760,019 km (0.115 R)
• M5: 2,206,718 km (0.062 R)
• M6: 3,276,044 km (0.12 R)
• M7: 4,566,325 km (0.055 R)
• M8: 7,256,694 km (0.111 R)
• M9: 8,389,598 km (0.086 R)
• M10: 12,879,778 km (0.072 R)
• M11: 15,405,738 km (0.062 R)
• M12: 17,468,992 km (0.111 R)
• M13: 18,100,894 km (0.109 R)
• M14: 20,625,657 km (0.106 R)
• M15: 24,056,534 km (0.05 R)
• M16: 25,368,508 km (0.071 R)
• M17: 27,849,140 km (0.095 R)
• M18: 31,607,337 km (0.118 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 11,946 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit