🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.71 AU - 0.77 AU

Year: 236 Days

Day: 19.7 Hours

Environment

Temp: 96 °C

Axial Tilt: 46.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.79 AU - 0.79 AU

Year: 260 Days

Day: 17.3 Hours

Environment

Temp: 151 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,754,423 km

• M1: 169,345 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.83 AU - 0.99 AU

Year: 322 Days

Day: 30.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 43 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.1 AU - 1.62 AU

Year: 588 Days

Day: 31.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,754,423 km

• M1: 677,828 km (0.094 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.8 AU - 3.74 AU

Year: 2193 Days

Day: 14.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,754,423 km

• M1: 35,754 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.98 AU - 4.78 AU

Year: 3400 Days

Day: 17.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.3

Radius: 8.9

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.1 AU - 10.84 AU

Year: 9963 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 53,754,423 km

• M1: 199,564 km (0.111 R)
• M2: 417,827 km (0.107 R)
• M3: 492,476 km (0.091 R)
• M4: 710,440 km (0.095 R)
• M5: 821,592 km (0.047 R)
• M6: 1,041,052 km (0.097 R)
• M7: 1,125,574 km (0.092 R)
• M8: 1,347,278 km (0.09 R)
• M9: 1,681,480 km (0.112 R)
• M10: 1,935,796 km (0.067 R)
• M11: 2,148,375 km (0.075 R)
• M12: 2,567,249 km (0.092 R)
• M13: 3,289,657 km (0.103 R)
• M14: 3,352,638 km (0.1 R)
• M15: 3,447,782 km (0.058 R)
• M16: 3,804,573 km (0.058 R)
• M17: 5,162,772 km (0.049 R)
• M18: 5,683,971 km (0.07 R)
• M19: 6,378,554 km (0.063 R)
• M20: 6,695,851 km (0.063 R)
• M21: 6,775,886 km (0.119 R)
• M22: 7,140,606 km (0.101 R)
• M23: 7,263,575 km (0.081 R)
• M24: 7,387,292 km (0.095 R)
• M25: 7,804,521 km (0.113 R)
• M26: 7,888,894 km (0.108 R)
• M27: 8,705,848 km (0.089 R)
• M28: 9,324,884 km (0.059 R)
• M29: 9,684,966 km (0.089 R)
• M30: 10,279,917 km (0.062 R)
• M31: 10,558,618 km (0.081 R)
• M32: 10,792,589 km (0.061 R)
• M33: 10,886,686 km (0.099 R)
• M34: 12,183,849 km (0.097 R)
• M35: 12,331,053 km (0.08 R)
• M36: 12,775,957 km (0.109 R)
• M37: 12,925,406 km (0.084 R)
• M38: 13,478,469 km (0.114 R)
• M39: 13,988,149 km (0.061 R)
• M40: 14,193,696 km (0.079 R)
• M41: 14,607,933 km (0.064 R)
• M42: 14,712,053 km (0.1 R)
• M43: 15,131,226 km (0.063 R)
• M44: 15,395,117 km (0.094 R)
• M45: 15,501,182 km (0.063 R)
• M46: 18,397,995 km (0.048 R)
• M47: 18,510,493 km (0.074 R)
• M48: 19,419,000 km (0.086 R)
• M49: 21,102,425 km (0.111 R)
• M50: 21,279,250 km (0.109 R)
• M51: 21,931,796 km (0.117 R)
• M52: 22,051,175 km (0.058 R)
• M53: 22,290,532 km (0.066 R)
• M54: 23,013,688 km (0.074 R)
• M55: 24,236,201 km (0.117 R)
• M56: 24,297,836 km (0.072 R)
• M57: 24,731,071 km (0.097 R)
• M58: 26,109,167 km (0.102 R)
• M59: 26,489,295 km (0.069 R)
• M60: 26,680,032 km (0.087 R)
• M61: 27,190,909 km (0.09 R)
• M62: 28,222,536 km (0.109 R)
• M63: 28,743,136 km (0.03 R)
• M64: 31,124,735 km (0.12 R)
• M65: 31,662,539 km (0.086 R)
• M66: 32,067,949 km (0.092 R)
• M67: 35,722,625 km (0.087 R)
• M68: 36,426,932 km (0.12 R)
• M69: 37,206,935 km (0.105 R)
• M70: 37,277,994 km (0.036 R)
• M71: 37,849,159 km (0.038 R)
• M72: 38,279,253 km (0.042 R)
• M73: 38,999,866 km (0.104 R)
• M74: 39,724,967 km (0.074 R)
• M75: 40,235,245 km (0.118 R)
• M76: 40,747,618 km (0.086 R)
• M77: 40,967,826 km (0.086 R)
• M78: 41,262,085 km (0.103 R)
• M79: 43,042,599 km (0.082 R)
• M80: 44,545,309 km (0.1 R)
• M81: 44,621,006 km (0.107 R)
• M82: 44,999,488 km (0.116 R)
• M83: 45,607,454 km (0.118 R)
• M84: 46,985,400 km (0.105 R)
• M85: 48,999,586 km (0.059 R)
• M86: 50,174,527 km (0.061 R)
• M87: 50,568,269 km (0.106 R)
• M88: 51,042,045 km (0.111 R)
• M89: 51,914,351 km (0.075 R)
• M90: 52,791,742 km (0.072 R)
• M91: 53,754,404 km (0.103 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 16,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit