🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.57 AU - 0.69 AU

Year: 184 Days

Day: 15.5 Hours

Environment

Temp: 215 °C

Axial Tilt: 65.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,380,315 km

• M1: 42,037 km (0.095 R)
• M2: 59,091 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.69 AU - 0.91 AU

Year: 264 Days

Day: 20.4 Hours

Environment

Temp: 120 °C

Axial Tilt: 12.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.95 AU - 1.51 AU

Year: 503 Days

Day: 43.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.24 AU - 1.7 AU

Year: 658 Days

Day: 15.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,380,315 km

• M1: 697,575 km (0.081 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.83 AU - 1.99 AU

Year: 974 Days

Day: 42.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.03 AU - 2.19 AU

Year: 1131 Days

Day: 18.5 Hours

Environment

Temp: -67 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,380,315 km

• M1: 208,091 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.61 AU - 2.61 AU

Year: 1131 Days

Day: 37.8 Hours

Environment

Temp: -77 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,380,315 km

• M1: 264,339 km (0.107 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.73 AU - 4.37 AU

Year: 2468 Days

Day: 39.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,380,315 km

• M1: 956,529 km (0.116 R)
• M2: 1,540,110 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 10.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.44 AU - 6.24 AU

Year: 5207 Days

Day: 11.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 48,380,315 km

• M1: 140,173 km (0.109 R)
• M2: 219,460 km (0.039 R)
• M3: 522,994 km (0.114 R)
• M4: 722,408 km (0.094 R)
• M5: 1,039,855 km (0.097 R)
• M6: 1,196,185 km (0.082 R)
• M7: 1,296,565 km (0.033 R)
• M8: 1,386,772 km (0.096 R)
• M9: 1,601,146 km (0.042 R)
• M10: 2,062,655 km (0.104 R)
• M11: 2,435,154 km (0.081 R)
• M12: 2,547,951 km (0.088 R)
• M13: 2,678,999 km (0.089 R)
• M14: 2,845,950 km (0.065 R)
• M15: 2,947,976 km (0.05 R)
• M16: 3,421,602 km (0.094 R)
• M17: 3,900,465 km (0.112 R)
• M18: 3,995,011 km (0.104 R)
• M19: 4,109,454 km (0.045 R)
• M20: 4,186,496 km (0.115 R)
• M21: 4,941,367 km (0.102 R)
• M22: 5,023,347 km (0.098 R)
• M23: 5,230,091 km (0.11 R)
• M24: 5,418,734 km (0.049 R)
• M25: 5,524,500 km (0.082 R)
• M26: 6,173,455 km (0.078 R)
• M27: 6,846,646 km (0.119 R)
• M28: 7,122,504 km (0.106 R)
• M29: 7,285,117 km (0.046 R)
• M30: 7,355,129 km (0.105 R)
• M31: 7,472,414 km (0.101 R)
• M32: 7,590,297 km (0.11 R)
• M33: 7,661,356 km (0.075 R)
• M34: 7,732,714 km (0.054 R)
• M35: 7,947,836 km (0.086 R)
• M36: 8,433,131 km (0.06 R)
• M37: 8,580,485 km (0.082 R)
• M38: 8,977,967 km (0.038 R)
• M39: 9,153,744 km (0.115 R)
• M40: 9,508,740 km (0.101 R)
• M41: 9,636,646 km (0.089 R)
• M42: 9,945,865 km (0.113 R)
• M43: 10,075,716 km (0.06 R)
• M44: 10,310,884 km (0.096 R)
• M45: 11,107,791 km (0.066 R)
• M46: 11,377,816 km (0.109 R)
• M47: 11,704,837 km (0.114 R)
• M48: 11,924,446 km (0.101 R)
• M49: 12,256,554 km (0.119 R)
• M50: 12,535,703 km (0.042 R)
• M51: 12,619,777 km (0.072 R)
• M52: 12,929,894 km (0.094 R)
• M53: 13,759,563 km (0.082 R)
• M54: 14,107,977 km (0.098 R)
• M55: 14,724,619 km (0.056 R)
• M56: 15,110,731 km (0.089 R)
• M57: 15,410,077 km (0.059 R)
• M58: 15,530,353 km (0.104 R)
• M59: 15,681,148 km (0.069 R)
• M60: 15,862,760 km (0.091 R)
• M61: 16,075,488 km (0.041 R)
• M62: 16,657,723 km (0.117 R)
• M63: 17,371,903 km (0.087 R)
• M64: 18,318,259 km (0.117 R)
• M65: 18,541,459 km (0.066 R)
• M66: 18,669,515 km (0.093 R)
• M67: 18,894,211 km (0.12 R)
• M68: 19,119,655 km (0.092 R)
• M69: 19,378,609 km (0.093 R)
• M70: 20,162,203 km (0.109 R)
• M71: 21,056,199 km (0.031 R)
• M72: 21,760,506 km (0.068 R)
• M73: 22,030,830 km (0.09 R)
• M74: 22,302,200 km (0.082 R)
• M75: 22,609,025 km (0.037 R)
• M76: 22,882,789 km (0.073 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 12.3

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.14 AU - 8.6 AU

Year: 8934 Days

Day: 9.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 143.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 48,380,315 km

• M1: 160,818 km (0.116 R)
• M2: 416,181 km (0.112 R)
• M3: 644,318 km (0.043 R)
• M4: 952,190 km (0.071 R)
• M5: 1,084,734 km (0.116 R)
• M6: 1,476,830 km (0.103 R)
• M7: 1,793,828 km (0.11 R)
• M8: 1,912,459 km (0.071 R)
• M9: 2,033,783 km (0.096 R)
• M10: 3,473,812 km (0.086 R)
• M11: 3,744,285 km (0.116 R)
• M12: 3,835,989 km (0.11 R)
• M13: 4,242,147 km (0.072 R)
• M14: 4,402,067 km (0.101 R)
• M15: 4,531,469 km (0.079 R)
• M16: 5,334,510 km (0.09 R)
• M17: 5,577,009 km (0.063 R)
• M18: 5,787,942 km (0.066 R)
• M19: 5,965,664 km (0.108 R)
• M20: 6,399,647 km (0.111 R)
• M21: 6,546,702 km (0.112 R)
• M22: 6,881,502 km (0.109 R)
• M23: 6,994,448 km (0.116 R)
• M24: 8,517,355 km (0.104 R)
• M25: 9,378,739 km (0.109 R)
• M26: 9,503,953 km (0.04 R)
• M27: 10,224,715 km (0.106 R)
• M28: 10,440,136 km (0.038 R)
• M29: 10,919,298 km (0.086 R)
• M30: 11,139,357 km (0.091 R)
• M31: 11,494,801 km (0.081 R)
• M32: 11,628,990 km (0.071 R)
• M33: 11,763,778 km (0.1 R)
• M34: 11,853,836 km (0.057 R)
• M35: 11,944,193 km (0.048 R)
• M36: 12,125,655 km (0.074 R)
• M37: 12,583,126 km (0.104 R)
• M38: 13,046,281 km (0.098 R)
• M39: 13,326,926 km (0.079 R)
• M40: 13,515,120 km (0.091 R)
• M41: 13,609,517 km (0.093 R)
• M42: 13,941,774 km (0.092 R)
• M43: 14,085,088 km (0.118 R)
• M44: 14,857,163 km (0.074 R)
• M45: 16,091,046 km (0.108 R)
• M46: 16,694,973 km (0.097 R)
• M47: 17,306,379 km (0.1 R)
• M48: 18,237,177 km (0.089 R)
• M49: 18,656,051 km (0.101 R)
• M50: 19,450,117 km (0.117 R)
• M51: 20,201,248 km (0.062 R)
• M52: 21,290,619 km (0.104 R)
• M53: 21,510,827 km (0.045 R)
• M54: 22,511,039 km (0.077 R)
• M55: 23,186,174 km (0.108 R)
• M56: 24,556,640 km (0.112 R)
• M57: 24,787,470 km (0.079 R)
• M58: 24,903,258 km (0.067 R)
• M59: 27,017,375 km (0.104 R)
• M60: 28,095,826 km (0.102 R)
• M61: 29,188,340 km (0.11 R)
• M62: 29,433,082 km (0.103 R)
• M63: 31,102,445 km (0.095 R)
• M64: 31,665,680 km (0.118 R)
• M65: 31,917,155 km (0.109 R)
• M66: 32,295,488 km (0.075 R)
• M67: 32,865,904 km (0.065 R)
• M68: 33,056,791 km (0.055 R)
• M69: 34,016,611 km (0.084 R)
• M70: 34,920,781 km (0.102 R)
• M71: 35,115,557 km (0.096 R)
• M72: 36,950,824 km (0.069 R)
• M73: 37,813,555 km (0.119 R)
• M74: 38,080,288 km (0.1 R)
• M75: 39,356,058 km (0.086 R)
• M76: 39,761,917 km (0.105 R)
• M77: 41,467,483 km (0.099 R)
• M78: 41,604,963 km (0.099 R)
• M79: 43,475,834 km (0.037 R)
• M80: 44,245,964 km (0.084 R)
• M81: 44,386,436 km (0.09 R)
• M82: 44,808,901 km (0.109 R)
• M83: 45,303,322 km (0.1 R)
• M84: 46,084,073 km (0.115 R)
• M85: 46,226,490 km (0.111 R)
• M86: 46,440,415 km (0.119 R)
• M87: 47,442,870 km (0.074 R)
• M88: 47,802,803 km (0.092 R)
• M89: 48,307,995 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 17,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit