🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.61 AU - 0.93 AU

Year: 240 Days

Day: 27.9 Hours

Environment

Temp: 189 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 52,059,639 km

• M1: 30,368 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.27 AU - 1.73 AU

Year: 652 Days

Day: 30.7 Hours

Environment

Temp: -15 °C

Axial Tilt: 14.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 52,059,639 km

• M1: 247,435 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.49 AU - 2.39 AU

Year: 959 Days

Day: 23.6 Hours

Environment

Temp: -61 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 52,059,639 km

• M1: 133,292 km (0.08 R)
• M2: 287,078 km (0.074 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172

Radius: 12.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.61 AU - 7.35 AU

Year: 5852 Days

Day: 10.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 52,059,639 km

• M1: 313,557 km (0.054 R)
• M2: 406,906 km (0.092 R)
• M3: 633,098 km (0.098 R)
• M4: 743,950 km (0.047 R)
• M5: 924,066 km (0.112 R)
• M6: 1,030,879 km (0.033 R)
• M7: 1,353,562 km (0.077 R)
• M8: 1,527,095 km (0.087 R)
• M9: 1,695,243 km (0.106 R)
• M10: 1,980,077 km (0.12 R)
• M11: 2,121,298 km (0.104 R)
• M12: 2,222,127 km (0.089 R)
• M13: 2,324,751 km (0.069 R)
• M14: 2,519,677 km (0.101 R)
• M15: 2,719,988 km (0.087 R)
• M16: 2,814,385 km (0.061 R)
• M17: 2,974,006 km (0.109 R)
• M18: 3,235,802 km (0.112 R)
• M19: 3,403,501 km (0.074 R)
• M20: 3,694,918 km (0.094 R)
• M21: 4,030,615 km (0.082 R)
• M22: 4,543,287 km (0.104 R)
• M23: 4,637,085 km (0.119 R)
• M24: 4,807,477 km (0.093 R)
• M25: 5,193,739 km (0.052 R)
• M26: 5,490,092 km (0.101 R)
• M27: 5,650,461 km (0.039 R)
• M28: 5,812,476 km (0.115 R)
• M29: 6,203,225 km (0.116 R)
• M30: 6,560,315 km (0.039 R)
• M31: 6,752,100 km (0.074 R)
• M32: 6,859,362 km (0.08 R)
• M33: 7,010,605 km (0.102 R)
• M34: 7,119,363 km (0.076 R)
• M35: 7,448,927 km (0.064 R)
• M36: 7,537,638 km (0.111 R)
• M37: 7,648,939 km (0.114 R)
• M38: 8,031,910 km (0.114 R)
• M39: 8,352,049 km (0.11 R)
• M40: 8,957,771 km (0.097 R)
• M41: 9,385,471 km (0.1 R)
• M42: 9,577,704 km (0.119 R)
• M43: 9,868,523 km (0.053 R)
• M44: 10,186,867 km (0.095 R)
• M45: 10,909,275 km (0.098 R)
• M46: 11,010,254 km (0.118 R)
• M47: 11,213,108 km (0.101 R)
• M48: 11,442,741 km (0.074 R)
• M49: 12,141,214 km (0.039 R)
• M50: 12,456,117 km (0.093 R)
• M51: 12,773,713 km (0.08 R)
• M52: 12,906,706 km (0.051 R)
• M53: 13,013,668 km (0.079 R)
• M54: 13,443,912 km (0.099 R)
• M55: 14,180,681 km (0.086 R)
• M56: 14,263,259 km (0.115 R)
• M57: 14,401,488 km (0.098 R)
• M58: 14,706,967 km (0.106 R)
• M59: 14,958,590 km (0.095 R)
• M60: 15,183,286 km (0.107 R)
• M61: 15,551,147 km (0.073 R)
• M62: 16,007,720 km (0.118 R)
• M63: 16,208,929 km (0.107 R)
• M64: 16,468,781 km (0.112 R)
• M65: 16,963,501 km (0.079 R)
• M66: 17,315,654 km (0.084 R)
• M67: 17,551,720 km (0.108 R)
• M68: 17,670,201 km (0.117 R)
• M69: 18,356,556 km (0.096 R)
• M70: 18,536,971 km (0.115 R)
• M71: 19,417,654 km (0.081 R)
• M72: 19,570,842 km (0.115 R)
• M73: 20,218,751 km (0.071 R)
• M74: 20,343,066 km (0.106 R)
• M75: 20,436,266 km (0.109 R)
• M76: 21,125,164 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.6

Radius: 13.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 10.71 AU - 14.23 AU

Year: 15622 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 52,059,639 km

• M1: 256,261 km (0.118 R)
• M2: 363,373 km (0.065 R)
• M3: 1,411,157 km (0.098 R)
• M4: 1,594,863 km (0.048 R)
• M5: 1,935,796 km (0.115 R)
• M6: 2,063,403 km (0.067 R)
• M7: 2,546,605 km (0.083 R)
• M8: 2,946,928 km (0.087 R)
• M9: 3,839,579 km (0.105 R)
• M10: 4,299,293 km (0.045 R)
• M11: 4,433,931 km (0.064 R)
• M12: 5,415,593 km (0.089 R)
• M13: 6,891,376 km (0.119 R)
• M14: 7,612,587 km (0.103 R)
• M15: 8,273,959 km (0.101 R)
• M16: 8,739,358 km (0.088 R)
• M17: 9,475,380 km (0.106 R)
• M18: 10,731,104 km (0.065 R)
• M19: 11,378,414 km (0.039 R)
• M20: 11,565,711 km (0.117 R)
• M21: 11,848,750 km (0.103 R)
• M22: 12,614,392 km (0.082 R)
• M23: 13,003,197 km (0.102 R)
• M24: 13,248,238 km (0.11 R)
• M25: 14,395,205 km (0.051 R)
• M26: 14,955,000 km (0.099 R)
• M27: 15,057,474 km (0.103 R)
• M28: 15,625,797 km (0.118 R)
• M29: 16,570,807 km (0.117 R)
• M30: 16,889,899 km (0.081 R)
• M31: 17,426,357 km (0.055 R)
• M32: 18,958,089 km (0.115 R)
• M33: 19,069,091 km (0.108 R)
• M34: 19,291,842 km (0.078 R)
• M35: 20,191,673 km (0.11 R)
• M36: 21,335,499 km (0.049 R)
• M37: 21,740,909 km (0.047 R)
• M38: 22,032,026 km (0.036 R)
• M39: 22,148,713 km (0.082 R)
• M40: 22,265,848 km (0.058 R)
• M41: 22,972,249 km (0.101 R)
• M42: 23,090,581 km (0.11 R)
• M43: 23,328,142 km (0.073 R)
• M44: 23,566,452 km (0.114 R)
• M45: 24,527,917 km (0.116 R)
• M46: 25,440,913 km (0.09 R)
• M47: 26,551,079 km (0.12 R)
• M48: 26,862,242 km (0.076 R)
• M49: 27,992,754 km (0.066 R)
• M50: 28,119,313 km (0.108 R)
• M51: 28,436,461 km (0.116 R)
• M52: 29,202,701 km (0.119 R)
• M53: 30,755,527 km (0.08 R)
• M54: 31,082,398 km (0.051 R)
• M55: 31,739,582 km (0.067 R)
• M56: 31,937,649 km (0.03 R)
• M57: 33,268,622 km (0.054 R)
• M58: 35,435,547 km (0.097 R)
• M59: 36,053,236 km (0.11 R)
• M60: 38,208,044 km (0.117 R)
• M61: 38,629,910 km (0.078 R)
• M62: 39,124,032 km (0.117 R)
• M63: 39,904,634 km (0.072 R)
• M64: 41,337,332 km (0.115 R)
• M65: 41,987,485 km (0.118 R)
• M66: 46,258,055 km (0.062 R)
• M67: 46,632,648 km (0.106 R)
• M68: 47,535,920 km (0.056 R)
• M69: 49,206,629 km (0.105 R)
• M70: 49,665,595 km (0.042 R)
• M71: 50,279,844 km (0.112 R)
• M72: 50,433,781 km (0.07 R)
• M73: 51,051,021 km (0.071 R)
• M74: 51,904,028 km (0.042 R)

Kuiper Belt

Range: 30.9 - 48.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 12,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit