🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.43 AU - 0.69 AU

Year: 149 Days

Day: 42.2 Hours

Environment

Temp: 186 °C

Axial Tilt: 49.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.6 AU - 0.64 AU

Year: 173 Days

Day: 18.9 Hours

Environment

Temp: 194 °C

Axial Tilt: 12 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 61,102,790 km

• M1: 348,264 km (0.081 R)
• M2: 478,863 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.72 AU - 1 AU

Year: 283 Days

Day: 38 Hours

Environment

Temp: 186 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 61,102,790 km

• M1: 286,779 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.05 AU - 1.19 AU

Year: 420 Days

Day: 44.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 8.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.1 AU - 1.38 AU

Year: 490 Days

Day: 38.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 49.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,102,790 km

• M1: 502,499 km (0.116 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.48 AU - 4 AU

Year: 2566 Days

Day: 28.3 Hours

Environment

Temp: -105 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,102,790 km

• M1: 447,148 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759

Radius: 8.7

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.46 AU - 13.36 AU

Year: 13673 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 61,102,790 km

• M1: 110,104 km (0.092 R)
• M2: 280,646 km (0.088 R)
• M3: 577,897 km (0.066 R)
• M4: 671,096 km (0.06 R)
• M5: 831,465 km (0.103 R)
• M6: 938,278 km (0.116 R)
• M7: 1,004,699 km (0.109 R)
• M8: 2,183,531 km (0.117 R)
• M9: 2,549,148 km (0.057 R)
• M10: 2,675,408 km (0.113 R)
• M11: 3,066,607 km (0.119 R)
• M12: 3,441,200 km (0.079 R)
• M13: 3,722,743 km (0.116 R)
• M14: 4,048,567 km (0.084 R)
• M15: 4,122,169 km (0.109 R)
• M16: 4,611,803 km (0.077 R)
• M17: 4,688,846 km (0.106 R)
• M18: 4,766,188 km (0.117 R)
• M19: 8,334,845 km (0.116 R)
• M20: 8,665,457 km (0.066 R)
• M21: 8,952,385 km (0.032 R)
• M22: 9,242,306 km (0.086 R)
• M23: 9,781,906 km (0.04 R)
• M24: 9,881,089 km (0.08 R)
• M25: 10,130,618 km (0.116 R)
• M26: 11,461,441 km (0.11 R)
• M27: 12,522,090 km (0.088 R)
• M28: 12,792,114 km (0.091 R)
• M29: 12,900,572 km (0.108 R)
• M30: 13,064,083 km (0.088 R)
• M31: 13,173,439 km (0.077 R)
• M32: 16,120,966 km (0.108 R)
• M33: 16,591,900 km (0.069 R)
• M34: 16,651,141 km (0.066 R)
• M35: 17,127,161 km (0.047 R)
• M36: 17,728,544 km (0.108 R)
• M37: 18,153,552 km (0.118 R)
• M38: 18,704,970 km (0.09 R)
• M39: 18,828,238 km (0.119 R)
• M40: 19,013,740 km (0.061 R)
• M41: 19,261,923 km (0.112 R)
• M42: 20,013,054 km (0.042 R)
• M43: 20,265,575 km (0.066 R)
• M44: 20,837,487 km (0.089 R)
• M45: 22,062,395 km (0.096 R)
• M46: 22,650,763 km (0.069 R)
• M47: 23,443,183 km (0.088 R)
• M48: 24,110,539 km (0.079 R)
• M49: 24,716,411 km (0.06 R)
• M50: 25,463,802 km (0.091 R)
• M51: 26,633,358 km (0.112 R)
• M52: 27,329,586 km (0.103 R)
• M53: 27,890,877 km (0.091 R)
• M54: 28,526,818 km (0.057 R)
• M55: 29,310,561 km (0.087 R)
• M56: 30,245,997 km (0.095 R)
• M57: 30,681,027 km (0.101 R)
• M58: 31,337,463 km (0.051 R)
• M59: 31,704,127 km (0.071 R)
• M60: 34,688,305 km (0.101 R)
• M61: 35,753,891 km (0.116 R)
• M62: 36,598,670 km (0.069 R)
• M63: 37,372,241 km (0.117 R)
• M64: 38,386,066 km (0.091 R)
• M65: 38,542,844 km (0.112 R)
• M66: 39,725,415 km (0.08 R)
• M67: 40,679,999 km (0.025 R)
• M68: 40,839,770 km (0.095 R)
• M69: 42,530,675 km (0.102 R)
• M70: 42,936,683 km (0.11 R)
• M71: 43,262,358 km (0.115 R)
• M72: 43,343,889 km (0.084 R)
• M73: 43,588,780 km (0.115 R)
• M74: 45,150,881 km (0.113 R)
• M75: 47,066,332 km (0.054 R)
• M76: 47,654,402 km (0.041 R)
• M77: 47,822,999 km (0.066 R)
• M78: 49,178,206 km (0.104 R)
• M79: 49,263,177 km (0.106 R)
• M80: 50,803,736 km (0.099 R)
• M81: 51,320,746 km (0.113 R)
• M82: 52,099,553 km (0.046 R)
• M83: 52,446,919 km (0.059 R)
• M84: 52,882,249 km (0.073 R)
• M85: 53,056,680 km (0.082 R)
• M86: 53,493,655 km (0.048 R)
• M87: 54,107,455 km (0.071 R)
• M88: 54,459,160 km (0.113 R)
• M89: 55,253,525 km (0.117 R)
• M90: 57,032,393 km (0.08 R)
• M91: 57,569,599 km (0.09 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 14,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit