🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.25 AU - 3.37 AU

Year: 1704 Days

Day: 32.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.9

Radius: 10

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.87 AU - 8.69 AU

Year: 7104 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,122,051 km

• M1: 154,983 km (0.065 R)
• M2: 584,180 km (0.089 R)
• M3: 1,007,841 km (0.096 R)
• M4: 1,835,117 km (0.12 R)
• M5: 2,184,727 km (0.068 R)
• M6: 3,127,942 km (0.057 R)
• M7: 5,068,376 km (0.095 R)
• M8: 5,472,440 km (0.103 R)
• M9: 5,797,815 km (0.114 R)
• M10: 8,366,261 km (0.116 R)
• M11: 8,755,215 km (0.047 R)
• M12: 12,763,541 km (0.116 R)
• M13: 13,690,898 km (0.099 R)
• M14: 16,072,646 km (0.085 R)
• M15: 16,742,545 km (0.1 R)
• M16: 17,782,400 km (0.068 R)
• M17: 18,499,123 km (0.057 R)
• M18: 20,922,609 km (0.057 R)
• M19: 23,294,932 km (0.118 R)
• M20: 25,389,601 km (0.1 R)
• M21: 26,853,865 km (0.114 R)
• M22: 27,892,822 km (0.054 R)
• M23: 33,492,270 km (0.116 R)
• M24: 40,163,139 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 10

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 10.49 AU - 12.71 AU

Year: 14288 Days

Day: 6.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,122,051 km

• M1: 124,316 km (0.096 R)
• M2: 666,159 km (0.115 R)
• M3: 2,414,360 km (0.066 R)
• M4: 3,254,801 km (0.105 R)
• M5: 5,505,501 km (0.087 R)
• M6: 7,414,968 km (0.067 R)
• M7: 8,124,212 km (0.11 R)
• M8: 10,744,568 km (0.1 R)
• M9: 12,245,932 km (0.094 R)
• M10: 13,557,008 km (0.11 R)
• M11: 15,307,004 km (0.101 R)
• M12: 16,603,568 km (0.076 R)
• M13: 18,364,934 km (0.114 R)
• M14: 19,005,961 km (0.04 R)
• M15: 20,759,248 km (0.101 R)
• M16: 22,892,364 km (0.116 R)
• M17: 26,867,628 km (0.094 R)
• M18: 29,942,463 km (0.117 R)
• M19: 30,718,277 km (0.115 R)
• M20: 32,079,468 km (0.043 R)
• M21: 35,534,581 km (0.077 R)
• M22: 37,415,475 km (0.111 R)
• M23: 43,455,339 km (0.028 R)
• M24: 44,164,134 km (0.107 R)
• M25: 44,736,645 km (0.092 R)
• M26: 47,225,505 km (0.067 R)
• M27: 49,036,836 km (0.062 R)
• M28: 52,637,357 km (0.047 R)
• M29: 53,442,792 km (0.103 R)
• M30: 53,767,120 km (0.074 R)
• M31: 55,243,502 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.7

Radius: 7.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 12.38 AU - 14.12 AU

Year: 17443 Days

Day: 15.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,122,051 km

• M1: 131,646 km (0.075 R)
• M2: 573,558 km (0.099 R)
• M3: 1,146,967 km (0.081 R)
• M4: 2,009,249 km (0.113 R)
• M5: 2,633,371 km (0.078 R)
• M6: 5,317,606 km (0.096 R)
• M7: 8,263,786 km (0.105 R)
• M8: 9,119,935 km (0.089 R)
• M9: 9,523,999 km (0.083 R)
• M10: 13,312,715 km (0.113 R)
• M11: 14,913,861 km (0.097 R)
• M12: 15,349,041 km (0.08 R)
• M13: 16,639,322 km (0.115 R)
• M14: 22,771,489 km (0.077 R)
• M15: 25,402,018 km (0.099 R)
• M16: 28,322,916 km (0.068 R)
• M17: 31,257,727 km (0.113 R)
• M18: 35,919,646 km (0.106 R)
• M19: 39,115,804 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 957.8

Radius: 6.7

Gravity: 21.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 13.11 AU - 14.91 AU

Year: 18965 Days

Day: 24.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,122,051 km

• M1: 83,326 km (0.077 R)
• M2: 338,690 km (0.103 R)
• M3: 898,634 km (0.096 R)
• M4: 1,189,303 km (0.071 R)
• M5: 1,427,762 km (0.092 R)
• M6: 1,716,037 km (0.088 R)
• M7: 2,527,306 km (0.066 R)
• M8: 3,307,759 km (0.114 R)
• M9: 3,600,671 km (0.086 R)
• M10: 3,910,937 km (0.112 R)
• M11: 4,479,110 km (0.115 R)
• M12: 5,946,964 km (0.104 R)
• M13: 6,248,703 km (0.063 R)
• M14: 6,651,570 km (0.086 R)
• M15: 7,024,218 km (0.093 R)
• M16: 8,492,522 km (0.086 R)
• M17: 10,838,366 km (0.088 R)
• M18: 16,507,676 km (0.097 R)
• M19: 17,981,514 km (0.119 R)
• M20: 18,522,012 km (0.085 R)
• M21: 19,730,164 km (0.037 R)
• M22: 20,016,345 km (0.085 R)
• M23: 22,717,334 km (0.081 R)
• M24: 25,878,936 km (0.075 R)
• M25: 32,392,876 km (0.089 R)
• M26: 33,058,586 km (0.095 R)
• M27: 47,161,776 km (0.115 R)
• M28: 48,881,852 km (0.092 R)
• M29: 52,082,798 km (0.07 R)
• M30: 53,364,403 km (0.062 R)
• M31: 56,181,181 km (0.101 R)
• M32: 57,723,386 km (0.09 R)
• M33: 73,577,020 km (0.045 R)
• M34: 76,355,950 km (0.113 R)
• M35: 80,168,901 km (0.04 R)
• M36: 80,411,249 km (0.06 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 12,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit