🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.66 AU - 0.72 AU

Year: 211 Days

Day: 33.6 Hours

Environment

Temp: 146 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.22 AU - 1.96 AU

Year: 740 Days

Day: 42.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,148,901 km

• M1: 171,738 km (0.081 R)
• M2: 310,565 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.93 AU - 2.85 AU

Year: 1363 Days

Day: 19 Hours

Environment

Temp: -97 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.2

Radius: 14.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.18 AU - 9.64 AU

Year: 9813 Days

Day: 10.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 76,148,901 km

• M1: 212,429 km (0.076 R)
• M2: 398,978 km (0.095 R)
• M3: 1,239,568 km (0.106 R)
• M4: 2,223,473 km (0.054 R)
• M5: 2,804,212 km (0.091 R)
• M6: 2,970,864 km (0.07 R)
• M7: 3,227,125 km (0.069 R)
• M8: 3,372,684 km (0.079 R)
• M9: 3,550,406 km (0.029 R)
• M10: 4,133,688 km (0.102 R)
• M11: 4,324,276 km (0.063 R)
• M12: 4,517,856 km (0.107 R)
• M13: 4,615,693 km (0.061 R)
• M14: 5,048,180 km (0.118 R)
• M15: 5,149,907 km (0.111 R)
• M16: 5,286,490 km (0.094 R)
• M17: 5,493,832 km (0.063 R)
• M18: 5,952,350 km (0.103 R)
• M19: 6,533,687 km (0.078 R)
• M20: 7,095,427 km (0.074 R)
• M21: 7,478,697 km (0.045 R)
• M22: 7,594,934 km (0.08 R)
• M23: 7,750,965 km (0.099 R)
• M24: 7,987,030 km (0.079 R)
• M25: 8,305,524 km (0.088 R)
• M26: 9,452,940 km (0.113 R)
• M27: 10,045,347 km (0.102 R)
• M28: 10,737,238 km (0.065 R)
• M29: 11,221,935 km (0.075 R)
• M30: 11,534,145 km (0.103 R)
• M31: 11,713,812 km (0.057 R)
• M32: 11,939,705 km (0.06 R)
• M33: 12,167,094 km (0.117 R)
• M34: 12,811,412 km (0.117 R)
• M35: 12,997,512 km (0.105 R)
• M36: 13,608,769 km (0.119 R)
• M37: 14,229,450 km (0.107 R)
• M38: 14,859,257 km (0.106 R)
• M39: 15,696,856 km (0.089 R)
• M40: 16,499,149 km (0.109 R)
• M41: 17,212,133 km (0.09 R)
• M42: 17,520,753 km (0.108 R)
• M43: 18,248,098 km (0.092 R)
• M44: 19,464,478 km (0.076 R)
• M45: 19,839,969 km (0.091 R)
• M46: 20,163,549 km (0.12 R)
• M47: 20,489,074 km (0.107 R)
• M48: 22,254,179 km (0.056 R)
• M49: 23,041,662 km (0.105 R)
• M50: 23,495,692 km (0.069 R)
• M51: 24,470,621 km (0.085 R)
• M52: 25,283,237 km (0.07 R)
• M53: 26,697,086 km (0.073 R)
• M54: 27,054,625 km (0.112 R)
• M55: 27,174,154 km (0.079 R)
• M56: 28,500,339 km (0.12 R)
• M57: 28,926,843 km (0.065 R)
• M58: 29,601,080 km (0.101 R)
• M59: 31,466,566 km (0.107 R)
• M60: 31,970,411 km (0.104 R)
• M61: 32,096,822 km (0.111 R)
• M62: 32,350,091 km (0.12 R)
• M63: 33,690,787 km (0.1 R)
• M64: 33,948,095 km (0.112 R)
• M65: 35,310,333 km (0.088 R)
• M66: 36,294,239 km (0.098 R)
• M67: 37,154,127 km (0.071 R)
• M68: 38,020,897 km (0.091 R)
• M69: 38,490,335 km (0.109 R)
• M70: 38,692,143 km (0.11 R)
• M71: 39,029,187 km (0.087 R)
• M72: 40,524,118 km (0.117 R)
• M73: 42,870,860 km (0.1 R)
• M74: 43,010,285 km (0.084 R)
• M75: 43,219,722 km (0.078 R)
• M76: 43,779,817 km (0.092 R)
• M77: 44,342,454 km (0.119 R)
• M78: 46,401,520 km (0.12 R)
• M79: 46,975,078 km (0.094 R)
• M80: 47,190,798 km (0.063 R)
• M81: 47,695,392 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.1

Radius: 6.7

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 12.13 AU - 17.49 AU

Year: 21029 Days

Day: 23.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 76,148,901 km

• M1: 282,590 km (0.06 R)
• M2: 366,066 km (0.102 R)
• M3: 1,173,446 km (0.107 R)
• M4: 1,804,450 km (0.065 R)
• M5: 2,001,769 km (0.045 R)
• M6: 2,671,369 km (0.093 R)
• M7: 2,934,512 km (0.034 R)
• M8: 3,404,698 km (0.101 R)
• M9: 3,940,558 km (0.088 R)
• M10: 4,153,585 km (0.067 R)
• M11: 4,326,819 km (0.066 R)
• M12: 4,370,502 km (0.054 R)
• M13: 4,905,913 km (0.093 R)
• M14: 5,795,721 km (0.066 R)
• M15: 5,989,300 km (0.087 R)
• M16: 6,086,988 km (0.113 R)
• M17: 7,508,317 km (0.108 R)
• M18: 7,719,400 km (0.077 R)
• M19: 8,039,689 km (0.083 R)
• M20: 8,201,554 km (0.096 R)
• M21: 9,026,736 km (0.106 R)
• M22: 9,195,033 km (0.027 R)
• M23: 9,420,926 km (0.055 R)
• M24: 9,477,624 km (0.109 R)
• M25: 9,648,614 km (0.108 R)
• M26: 10,518,825 km (0.089 R)
• M27: 11,232,855 km (0.088 R)
• M28: 12,023,929 km (0.085 R)
• M29: 12,395,231 km (0.044 R)
• M30: 12,519,696 km (0.117 R)
• M31: 12,832,954 km (0.099 R)
• M32: 12,895,935 km (0.111 R)
• M33: 13,531,277 km (0.095 R)
• M34: 15,631,631 km (0.109 R)
• M35: 16,172,427 km (0.072 R)
• M36: 18,183,621 km (0.116 R)
• M37: 19,471,060 km (0.093 R)
• M38: 19,761,131 km (0.104 R)
• M39: 20,345,610 km (0.091 R)
• M40: 21,831,565 km (0.114 R)
• M41: 22,132,855 km (0.069 R)
• M42: 22,815,919 km (0.053 R)
• M43: 23,428,971 km (0.119 R)
• M44: 23,737,442 km (0.071 R)
• M45: 23,892,276 km (0.031 R)
• M46: 24,125,050 km (0.095 R)
• M47: 27,705,974 km (0.085 R)
• M48: 29,018,546 km (0.093 R)
• M49: 29,432,932 km (0.111 R)
• M50: 29,849,263 km (0.119 R)
• M51: 30,267,389 km (0.051 R)
• M52: 30,603,536 km (0.067 R)
• M53: 30,771,983 km (0.119 R)
• M54: 31,618,856 km (0.102 R)
• M55: 31,959,790 km (0.089 R)
• M56: 32,301,920 km (0.069 R)
• M57: 32,387,640 km (0.118 R)
• M58: 33,076,239 km (0.097 R)
• M59: 34,030,823 km (0.101 R)
• M60: 34,642,977 km (0.047 R)
• M61: 34,818,605 km (0.109 R)
• M62: 36,233,801 km (0.095 R)
• M63: 37,038,189 km (0.12 R)
• M64: 37,577,639 km (0.111 R)
• M65: 38,029,125 km (0.118 R)
• M66: 38,300,944 km (0.083 R)
• M67: 38,664,318 km (0.102 R)
• M68: 39,761,468 km (0.079 R)
• M69: 41,612,443 km (0.094 R)
• M70: 45,110,191 km (0.119 R)
• M71: 45,590,101 km (0.054 R)
• M72: 47,039,704 km (0.105 R)
• M73: 48,504,566 km (0.11 R)
• M74: 48,897,710 km (0.064 R)
• M75: 49,984,239 km (0.093 R)
• M76: 50,281,939 km (0.099 R)
• M77: 55,329,820 km (0.037 R)
• M78: 56,461,827 km (0.085 R)
• M79: 61,065,701 km (0.068 R)
• M80: 61,702,839 km (0.095 R)
• M81: 61,809,203 km (0.041 R)
• M82: 64,273,080 km (0.096 R)
• M83: 65,029,297 km (0.052 R)
• M84: 66,005,872 km (0.111 R)
• M85: 66,550,558 km (0.111 R)
• M86: 67,863,877 km (0.058 R)
• M87: 69,628,085 km (0.119 R)
• M88: 71,184,202 km (0.089 R)
• M89: 72,751,688 km (0.101 R)
• M90: 72,976,684 km (0.097 R)
• M91: 73,426,973 km (0.096 R)
• M92: 75,692,932 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 19,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit