🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.63 AU - 0.85 AU

Year: 245 Days

Day: 26.5 Hours

Environment

Temp: 162 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.11 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.43 AU - 1.51 AU

Year: 686 Days

Day: 12.7 Hours

Environment

Temp: -59 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,856,355 km

• M1: 303,534 km (0.108 R)

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 12.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.66 AU - 7.78 AU

Year: 7469 Days

Day: 12.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,856,355 km

• M1: 150,495 km (0.108 R)
• M2: 574,905 km (0.095 R)
• M3: 1,713,195 km (0.112 R)
• M4: 3,714,366 km (0.063 R)
• M5: 7,490,515 km (0.065 R)
• M6: 8,743,996 km (0.089 R)
• M7: 9,374,700 km (0.037 R)
• M8: 14,735,540 km (0.102 R)
• M9: 15,114,322 km (0.119 R)
• M10: 16,968,886 km (0.091 R)
• M11: 20,416,070 km (0.115 R)
• M12: 20,887,304 km (0.069 R)
• M13: 30,663,674 km (0.119 R)
• M14: 31,803,909 km (0.115 R)
• M15: 32,331,391 km (0.095 R)
• M16: 37,579,733 km (0.098 R)
• M17: 42,217,716 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855

Radius: 3.3

Gravity: 78.51 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 12.96 AU - 18.6 AU

Year: 24134 Days

Day: 17.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 92,856,355 km

• M1: 41,139 km (0.028 R)
• M2: 151,543 km (0.056 R)
• M3: 360,531 km (0.037 R)
• M4: 489,035 km (0.091 R)
• M5: 761,453 km (0.105 R)
• M6: 1,029,383 km (0.116 R)
• M7: 1,508,695 km (0.114 R)
• M8: 1,748,799 km (0.088 R)
• M9: 1,950,307 km (0.108 R)
• M10: 2,399,699 km (0.087 R)
• M11: 3,168,782 km (0.114 R)
• M12: 3,499,244 km (0.051 R)
• M13: 4,193,528 km (0.12 R)
• M14: 4,371,399 km (0.117 R)
• M15: 8,001,392 km (0.036 R)
• M16: 8,669,047 km (0.079 R)
• M17: 9,134,296 km (0.106 R)
• M18: 9,494,079 km (0.11 R)
• M19: 10,434,451 km (0.069 R)
• M20: 10,827,445 km (0.097 R)
• M21: 11,027,607 km (0.057 R)
• M22: 12,498,453 km (0.103 R)
• M23: 14,253,835 km (0.046 R)
• M24: 15,567,603 km (0.119 R)
• M25: 18,527,696 km (0.113 R)
• M26: 18,814,027 km (0.101 R)
• M27: 20,391,387 km (0.055 R)
• M28: 21,948,102 km (0.1 R)
• M29: 22,484,261 km (0.063 R)
• M30: 30,531,729 km (0.099 R)
• M31: 40,463,980 km (0.088 R)
• M32: 47,919,788 km (0.093 R)
• M33: 49,733,214 km (0.07 R)
• M34: 54,076,489 km (0.101 R)
• M35: 60,112,464 km (0.077 R)
• M36: 63,507,886 km (0.108 R)
• M37: 64,594,715 km (0.119 R)
• M38: 67,028,972 km (0.074 R)
• M39: 68,155,444 km (0.112 R)
• M40: 68,609,623 km (0.072 R)
• M41: 69,065,747 km (0.118 R)
• M42: 77,131,914 km (0.114 R)
• M43: 86,332,782 km (0.116 R)
• M44: 87,934,077 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 13,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit