🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.11 AU - 1.29 AU

Year: 475 Days

Day: 19.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 35.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.08 AU - 1.52 AU

Year: 536 Days

Day: 15.3 Hours

Environment

Temp: 15 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.15 AU - 1.83 AU

Year: 658 Days

Day: 18 Hours

Environment

Temp: -37 °C

Axial Tilt: 4.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.16 AU - 1.85 AU

Year: 664 Days

Day: 23 Hours

Environment

Temp: -41 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.51 AU - 3.75 AU

Year: 2003 Days

Day: 12.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,288,592 km

• M1: 90,656 km (0.115 R)
• M2: 797,955 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.74 AU - 4.38 AU

Year: 2429 Days

Day: 35.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,288,592 km

• M1: 870,510 km (0.042 R)
• M2: 1,035,516 km (0.097 R)

Asteroid Belt

Center: 6.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.3

Radius: 8.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.73 AU - 9.59 AU

Year: 9217 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,288,592 km

• M1: 158,574 km (0.063 R)
• M2: 403,765 km (0.087 R)
• M3: 538,104 km (0.102 R)
• M4: 647,160 km (0.08 R)
• M5: 861,235 km (0.113 R)
• M6: 1,863,989 km (0.076 R)
• M7: 2,145,832 km (0.042 R)
• M8: 2,467,766 km (0.102 R)
• M9: 3,042,521 km (0.077 R)
• M10: 3,214,409 km (0.077 R)
• M11: 3,359,968 km (0.104 R)
• M12: 3,567,460 km (0.086 R)
• M13: 4,326,520 km (0.108 R)
• M14: 4,617,787 km (0.051 R)
• M15: 4,999,112 km (0.12 R)
• M16: 5,270,483 km (0.067 R)
• M17: 5,546,640 km (0.118 R)
• M18: 6,167,172 km (0.05 R)
• M19: 6,698,095 km (0.114 R)
• M20: 7,979,850 km (0.084 R)
• M21: 8,739,807 km (0.099 R)
• M22: 9,335,356 km (0.108 R)
• M23: 9,690,501 km (0.107 R)
• M24: 11,089,092 km (0.106 R)
• M25: 11,509,761 km (0.12 R)
• M26: 11,733,260 km (0.029 R)
• M27: 12,116,530 km (0.095 R)
• M28: 13,384,521 km (0.093 R)
• M29: 15,180,594 km (0.097 R)
• M30: 16,069,354 km (0.083 R)
• M31: 16,848,011 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.2

Radius: 5.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 12.86 AU - 16.76 AU

Year: 20612 Days

Day: 15.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 46,288,592 km

• M1: 233,373 km (0.087 R)
• M2: 387,758 km (0.069 R)
• M3: 1,511,686 km (0.082 R)
• M4: 2,017,327 km (0.108 R)
• M5: 2,313,830 km (0.109 R)
• M6: 2,545,109 km (0.106 R)
• M7: 3,057,780 km (0.113 R)
• M8: 4,808,674 km (0.079 R)
• M9: 5,472,141 km (0.117 R)
• M10: 7,364,554 km (0.078 R)
• M11: 7,818,583 km (0.097 R)
• M12: 7,856,880 km (0.117 R)
• M13: 8,477,412 km (0.092 R)
• M14: 9,033,318 km (0.025 R)
• M15: 9,682,872 km (0.085 R)
• M16: 9,889,018 km (0.112 R)
• M17: 10,305,498 km (0.068 R)
• M18: 11,328,448 km (0.085 R)
• M19: 11,676,563 km (0.084 R)
• M20: 12,383,263 km (0.117 R)
• M21: 12,562,032 km (0.117 R)
• M22: 12,741,849 km (0.111 R)
• M23: 14,023,454 km (0.116 R)
• M24: 14,491,097 km (0.098 R)
• M25: 15,393,621 km (0.061 R)
• M26: 15,585,854 km (0.057 R)
• M27: 16,216,409 km (0.08 R)
• M28: 16,265,328 km (0.119 R)
• M29: 16,314,246 km (0.099 R)
• M30: 17,402,272 km (0.119 R)
• M31: 17,452,237 km (0.066 R)
• M32: 17,552,468 km (0.086 R)
• M33: 17,955,036 km (0.032 R)
• M34: 18,309,882 km (0.11 R)
• M35: 20,751,169 km (0.093 R)
• M36: 22,144,973 km (0.071 R)
• M37: 22,689,060 km (0.118 R)
• M38: 23,568,845 km (0.108 R)
• M39: 24,235,902 km (0.033 R)
• M40: 24,683,948 km (0.075 R)
• M41: 25,134,836 km (0.108 R)
• M42: 25,418,025 km (0.108 R)
• M43: 25,588,566 km (0.074 R)
• M44: 25,702,410 km (0.117 R)
• M45: 25,987,693 km (0.102 R)
• M46: 26,907,720 km (0.026 R)
• M47: 27,838,369 km (0.103 R)
• M48: 28,013,996 km (0.034 R)
• M49: 31,481,974 km (0.113 R)
• M50: 32,154,866 km (0.12 R)
• M51: 32,462,289 km (0.109 R)
• M52: 32,956,112 km (0.05 R)
• M53: 35,335,765 km (0.036 R)
• M54: 35,780,071 km (0.081 R)
• M55: 39,007,495 km (0.106 R)
• M56: 43,611,519 km (0.11 R)
• M57: 44,703,285 km (0.077 R)

Kuiper Belt

Range: 30.3 - 51.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 10,928 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit