🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.48 AU - 0.58 AU

Year: 253 Days

Day: 14.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.48 AU - 0.76 AU

Year: 320 Days

Day: 24.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.51 AU - 0.79 AU

Year: 344 Days

Day: 40.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.1

Radius: 11

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.86 AU - 0.86 AU

Year: 523 Days

Day: 13.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,238,769 km

• M1: 137,480 km (0.096 R)
• M2: 536,308 km (0.087 R)
• M3: 883,375 km (0.092 R)
• M4: 1,570,927 km (0.063 R)
• M5: 2,211,356 km (0.053 R)
• M6: 2,769,954 km (0.085 R)
• M7: 3,112,982 km (0.069 R)
• M8: 3,549,359 km (0.113 R)
• M9: 4,243,792 km (0.116 R)
• M10: 4,846,672 km (0.099 R)
• M11: 5,365,776 km (0.064 R)
• M12: 5,977,482 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.4

Radius: 7.3

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.78 AU - 7.24 AU

Year: 10896 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,238,769 km

• M1: 90,956 km (0.081 R)
• M2: 473,028 km (0.098 R)
• M3: 1,053,917 km (0.073 R)
• M4: 1,790,088 km (0.07 R)
• M5: 2,573,981 km (0.079 R)
• M6: 6,174,353 km (0.063 R)
• M7: 8,705,399 km (0.06 R)
• M8: 9,283,894 km (0.039 R)
• M9: 12,932,437 km (0.086 R)
• M10: 13,180,171 km (0.052 R)
• M11: 14,268,645 km (0.117 R)
• M12: 16,696,170 km (0.107 R)
• M13: 17,287,380 km (0.076 R)
• M14: 20,454,966 km (0.053 R)
• M15: 25,316,597 km (0.066 R)
• M16: 26,393,403 km (0.114 R)
• M17: 31,899,652 km (0.114 R)
• M18: 35,764,213 km (0.118 R)
• M19: 36,130,279 km (0.098 R)
• M20: 40,060,963 km (0.107 R)
• M21: 40,455,752 km (0.116 R)
• M22: 42,469,190 km (0.078 R)
• M23: 44,407,829 km (0.115 R)
• M24: 49,058,976 km (0.091 R)
• M25: 51,346,776 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.8

Radius: 5.5

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8 AU - 10.26 AU

Year: 18097 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,238,769 km

• M1: 78,838 km (0.117 R)
• M2: 816,804 km (0.096 R)
• M3: 992,881 km (0.105 R)
• M4: 1,220,120 km (0.074 R)
• M5: 1,496,577 km (0.086 R)
• M6: 1,953,299 km (0.117 R)
• M7: 2,456,098 km (0.118 R)
• M8: 4,176,324 km (0.116 R)
• M9: 4,772,920 km (0.034 R)
• M10: 5,108,767 km (0.101 R)
• M11: 5,532,578 km (0.102 R)
• M12: 6,369,877 km (0.032 R)
• M13: 12,532,262 km (0.095 R)
• M14: 16,243,187 km (0.03 R)
• M15: 17,079,589 km (0.074 R)
• M16: 17,469,142 km (0.079 R)
• M17: 18,920,839 km (0.119 R)
• M18: 20,104,009 km (0.116 R)
• M19: 20,363,861 km (0.115 R)
• M20: 22,804,101 km (0.11 R)
• M21: 25,130,946 km (0.081 R)
• M22: 26,351,515 km (0.043 R)
• M23: 28,147,887 km (0.112 R)
• M24: 32,336,328 km (0.085 R)
• M25: 35,895,859 km (0.114 R)
• M26: 38,897,990 km (0.118 R)
• M27: 44,510,602 km (0.042 R)
• M28: 45,694,370 km (0.113 R)
• M29: 46,294,108 km (0.105 R)
• M30: 48,279,272 km (0.039 R)
• M31: 51,120,734 km (0.101 R)
• M32: 51,766,847 km (0.059 R)
• M33: 55,929,707 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 10,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit