🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1 AU - 1.52 AU

Year: 512 Days

Day: 38.3 Hours

Environment

Temp: 13 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.38 AU - 2.08 AU

Year: 823 Days

Day: 24.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.58 AU - 2.12 AU

Year: 910 Days

Day: 47.4 Hours

Environment

Temp: -56 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.88 AU - 2.44 AU

Year: 1148 Days

Day: 38.7 Hours

Environment

Temp: -78 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,274,451 km

• M1: 411,245 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.92 AU - 3.2 AU

Year: 1936 Days

Day: 27.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,274,451 km

• M1: 2,001,320 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.93 AU - 4.09 AU

Year: 2378 Days

Day: 30.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.6

Radius: 14.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.84 AU - 7.72 AU

Year: 6385 Days

Day: 14.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 49,274,451 km

• M1: 177,124 km (0.119 R)
• M2: 272,717 km (0.1 R)
• M3: 417,228 km (0.089 R)
• M4: 571,015 km (0.066 R)
• M5: 668,403 km (0.11 R)
• M6: 797,656 km (0.115 R)
• M7: 918,830 km (0.077 R)
• M8: 1,084,884 km (0.109 R)
• M9: 1,241,513 km (0.049 R)
• M10: 1,437,935 km (0.096 R)
• M11: 1,589,627 km (0.094 R)
• M12: 1,827,637 km (0.101 R)
• M13: 2,200,884 km (0.106 R)
• M14: 2,301,264 km (0.051 R)
• M15: 2,429,021 km (0.043 R)
• M16: 2,638,458 km (0.096 R)
• M17: 2,731,956 km (0.07 R)
• M18: 2,977,895 km (0.089 R)
• M19: 3,202,741 km (0.084 R)
• M20: 3,506,424 km (0.114 R)
• M21: 3,669,337 km (0.101 R)
• M22: 4,033,607 km (0.095 R)
• M23: 4,173,182 km (0.048 R)
• M24: 4,267,279 km (0.081 R)
• M25: 4,361,975 km (0.106 R)
• M26: 4,731,930 km (0.098 R)
• M27: 4,830,066 km (0.105 R)
• M28: 5,196,132 km (0.051 R)
• M29: 5,450,898 km (0.099 R)
• M30: 6,025,952 km (0.083 R)
• M31: 6,132,615 km (0.101 R)
• M32: 6,257,829 km (0.118 R)
• M33: 7,480,642 km (0.06 R)
• M34: 8,041,185 km (0.093 R)
• M35: 8,475,467 km (0.067 R)
• M36: 8,816,251 km (0.09 R)
• M37: 9,059,647 km (0.08 R)
• M38: 9,223,158 km (0.114 R)
• M39: 9,532,376 km (0.034 R)
• M40: 9,928,960 km (0.118 R)
• M41: 10,076,464 km (0.102 R)
• M42: 10,781,668 km (0.095 R)
• M43: 11,063,810 km (0.108 R)
• M44: 12,693,679 km (0.095 R)
• M45: 13,408,457 km (0.072 R)
• M46: 13,712,141 km (0.072 R)
• M47: 14,254,882 km (0.098 R)
• M48: 14,493,042 km (0.098 R)
• M49: 15,999,343 km (0.11 R)
• M50: 16,098,227 km (0.063 R)
• M51: 16,197,261 km (0.082 R)
• M52: 16,695,870 km (0.067 R)
• M53: 16,846,366 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.4

Radius: 5.2

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 12.6 AU - 16.36 AU

Year: 19927 Days

Day: 18.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 49,274,451 km

• M1: 69,114 km (0.063 R)
• M2: 283,039 km (0.114 R)
• M3: 346,319 km (0.109 R)
• M4: 550,221 km (0.06 R)
• M5: 918,082 km (0.047 R)
• M6: 995,574 km (0.098 R)
• M7: 1,349,223 km (0.041 R)
• M8: 1,787,096 km (0.09 R)
• M9: 2,213,450 km (0.107 R)
• M10: 2,753,648 km (0.091 R)
• M11: 3,038,632 km (0.089 R)
• M12: 3,096,676 km (0.104 R)
• M13: 3,605,608 km (0.037 R)
• M14: 3,698,059 km (0.071 R)
• M15: 4,732,828 km (0.119 R)
• M16: 5,316,708 km (0.045 R)
• M17: 5,492,785 km (0.094 R)
• M18: 5,742,314 km (0.112 R)
• M19: 6,178,990 km (0.09 R)
• M20: 6,401,293 km (0.039 R)
• M21: 6,891,974 km (0.115 R)
• M22: 6,930,271 km (0.067 R)
• M23: 7,630,838 km (0.115 R)
• M24: 9,435,886 km (0.067 R)
• M25: 9,820,651 km (0.104 R)
• M26: 10,210,503 km (0.096 R)
• M27: 10,561,460 km (0.119 R)
• M28: 10,827,146 km (0.045 R)
• M29: 11,139,955 km (0.082 R)
• M30: 11,184,834 km (0.053 R)
• M31: 11,591,890 km (0.042 R)
• M32: 12,701,009 km (0.097 R)
• M33: 13,173,140 km (0.063 R)
• M34: 13,220,712 km (0.032 R)
• M35: 14,721,926 km (0.107 R)
• M36: 15,769,261 km (0.102 R)
• M37: 16,995,365 km (0.118 R)
• M38: 17,047,126 km (0.05 R)
• M39: 17,567,428 km (0.058 R)
• M40: 18,198,731 km (0.114 R)
• M41: 18,304,646 km (0.103 R)
• M42: 18,517,224 km (0.078 R)
• M43: 19,213,453 km (0.119 R)
• M44: 19,809,301 km (0.105 R)
• M45: 20,411,283 km (0.108 R)
• M46: 20,908,098 km (0.112 R)
• M47: 20,963,598 km (0.103 R)
• M48: 22,764,009 km (0.118 R)
• M49: 23,164,333 km (0.108 R)
• M50: 23,682,689 km (0.105 R)
• M51: 23,740,434 km (0.1 R)
• M52: 24,204,636 km (0.049 R)
• M53: 24,613,338 km (0.073 R)
• M54: 24,847,907 km (0.082 R)
• M55: 26,570,377 km (0.105 R)
• M56: 26,750,642 km (0.073 R)
• M57: 27,173,107 km (0.059 R)
• M58: 27,597,815 km (0.117 R)
• M59: 28,699,903 km (0.105 R)
• M60: 28,946,739 km (0.093 R)
• M61: 30,003,798 km (0.111 R)
• M62: 30,757,472 km (0.086 R)
• M63: 31,263,262 km (0.088 R)
• M64: 31,326,692 km (0.085 R)
• M65: 31,390,271 km (0.067 R)
• M66: 32,283,370 km (0.027 R)
• M67: 32,347,548 km (0.096 R)
• M68: 32,733,061 km (0.116 R)
• M69: 32,990,968 km (0.098 R)
• M70: 33,443,950 km (0.112 R)
• M71: 33,833,802 km (0.104 R)
• M72: 34,225,300 km (0.053 R)
• M73: 34,487,096 km (0.113 R)
• M74: 35,342,347 km (0.1 R)
• M75: 35,872,223 km (0.071 R)
• M76: 36,805,714 km (0.067 R)
• M77: 37,275,451 km (0.107 R)
• M78: 38,288,677 km (0.062 R)
• M79: 39,448,061 km (0.118 R)
• M80: 39,516,577 km (0.078 R)
• M81: 39,722,423 km (0.067 R)
• M82: 40,618,814 km (0.111 R)
• M83: 40,826,605 km (0.088 R)
• M84: 40,895,869 km (0.081 R)
• M85: 40,965,283 km (0.088 R)
• M86: 42,642,125 km (0.119 R)
• M87: 43,064,889 km (0.059 R)
• M88: 43,206,109 km (0.11 R)
• M89: 43,985,514 km (0.078 R)
• M90: 47,149,359 km (0.088 R)
• M91: 48,098,109 km (0.094 R)
• M92: 48,171,412 km (0.092 R)
• M93: 48,244,715 km (0.113 R)
• M94: 48,318,018 km (0.099 R)
• M95: 49,200,645 km (0.025 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: 345 - 15,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit