🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.58 AU - 0.7 AU

Year: 189 Days

Day: 46.8 Hours

Environment

Temp: 206 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,618,766 km

• M1: 164,558 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.79 AU - 0.87 AU

Year: 279 Days

Day: 38.8 Hours

Environment

Temp: 173 °C

Axial Tilt: 37.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.67 AU - 1.01 AU

Year: 284 Days

Day: 42.3 Hours

Environment

Temp: 124 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 33,618,766 km

• M1: 134,339 km (0.08 R)
• M2: 670,946 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.9 AU - 0.96 AU

Year: 331 Days

Day: 20.4 Hours

Environment

Temp: 27 °C

Axial Tilt: 24.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.88 AU - 1.26 AU

Year: 408 Days

Day: 37.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 12.8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.2 AU - 5.3 AU

Year: 3820 Days

Day: 13.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 33,618,766 km

• M1: 168,597 km (0.107 R)
• M2: 265,237 km (0.116 R)
• M3: 459,116 km (0.098 R)
• M4: 593,455 km (0.1 R)
• M5: 732,282 km (0.075 R)
• M6: 1,151,156 km (0.117 R)
• M7: 1,246,449 km (0.074 R)
• M8: 1,402,031 km (0.059 R)
• M9: 1,504,506 km (0.085 R)
• M10: 1,686,566 km (0.026 R)
• M11: 1,796,222 km (0.043 R)
• M12: 2,156,753 km (0.076 R)
• M13: 2,345,844 km (0.032 R)
• M14: 2,522,669 km (0.077 R)
• M15: 2,796,134 km (0.099 R)
• M16: 3,060,473 km (0.051 R)
• M17: 3,432,224 km (0.082 R)
• M18: 3,654,078 km (0.079 R)
• M19: 3,880,868 km (0.045 R)
• M20: 4,006,530 km (0.099 R)
• M21: 4,348,511 km (0.095 R)
• M22: 4,924,313 km (0.102 R)
• M23: 5,129,262 km (0.087 R)
• M24: 5,360,391 km (0.052 R)
• M25: 5,524,350 km (0.095 R)
• M26: 6,667,427 km (0.118 R)
• M27: 7,356,625 km (0.066 R)
• M28: 7,460,745 km (0.114 R)
• M29: 7,855,384 km (0.104 R)
• M30: 7,961,748 km (0.036 R)
• M31: 8,122,267 km (0.119 R)
• M32: 8,310,910 km (0.033 R)
• M33: 8,610,255 km (0.084 R)
• M34: 8,857,840 km (0.11 R)
• M35: 9,303,940 km (0.118 R)
• M36: 9,558,107 km (0.115 R)
• M37: 11,977,554 km (0.085 R)
• M38: 12,377,877 km (0.034 R)
• M39: 12,501,894 km (0.09 R)
• M40: 12,688,742 km (0.108 R)
• M41: 13,002,299 km (0.097 R)
• M42: 13,096,845 km (0.087 R)
• M43: 13,286,535 km (0.114 R)
• M44: 13,509,137 km (0.117 R)
• M45: 13,829,276 km (0.116 R)
• M46: 14,022,556 km (0.103 R)
• M47: 14,184,421 km (0.12 R)
• M48: 14,346,735 km (0.119 R)
• M49: 14,575,171 km (0.079 R)
• M50: 14,771,892 km (0.039 R)
• M51: 15,035,633 km (0.076 R)
• M52: 15,668,133 km (0.093 R)
• M53: 15,970,769 km (0.067 R)
• M54: 16,139,665 km (0.117 R)
• M55: 16,479,552 km (0.082 R)
• M56: 16,993,570 km (0.04 R)
• M57: 17,408,704 km (0.106 R)
• M58: 18,037,614 km (0.103 R)
• M59: 18,460,976 km (0.07 R)
• M60: 18,709,458 km (0.087 R)
• M61: 19,173,959 km (0.107 R)
• M62: 19,497,838 km (0.101 R)
• M63: 19,859,716 km (0.03 R)
• M64: 20,114,331 km (0.055 R)
• M65: 21,032,713 km (0.056 R)
• M66: 21,180,964 km (0.095 R)
• M67: 21,292,415 km (0.071 R)
• M68: 22,568,484 km (0.109 R)
• M69: 22,910,316 km (0.03 R)
• M70: 23,830,492 km (0.045 R)
• M71: 24,295,143 km (0.085 R)
• M72: 24,762,786 km (0.052 R)
• M73: 25,154,882 km (0.076 R)
• M74: 25,430,441 km (0.091 R)
• M75: 25,588,417 km (0.112 R)
• M76: 26,582,943 km (0.105 R)
• M77: 26,662,978 km (0.059 R)
• M78: 26,823,497 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.8

Radius: 14.1

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7 AU - 9.86 AU

Year: 9031 Days

Day: 13.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 33,618,766 km

• M1: 194,926 km (0.088 R)
• M2: 349,161 km (0.112 R)
• M3: 538,104 km (0.117 R)
• M4: 642,523 km (0.086 R)
• M5: 848,519 km (0.092 R)
• M6: 1,513,781 km (0.071 R)
• M7: 1,761,066 km (0.12 R)
• M8: 1,908,420 km (0.072 R)
• M9: 2,315,775 km (0.1 R)
• M10: 3,462,892 km (0.106 R)
• M11: 4,380,824 km (0.117 R)
• M12: 4,558,098 km (0.11 R)
• M13: 4,686,004 km (0.102 R)
• M14: 5,077,352 km (0.102 R)
• M15: 5,615,754 km (0.097 R)
• M16: 5,808,586 km (0.055 R)
• M17: 5,919,737 km (0.109 R)
• M18: 6,031,637 km (0.059 R)
• M19: 6,486,414 km (0.092 R)
• M20: 6,922,941 km (0.057 R)
• M21: 7,040,973 km (0.071 R)
• M22: 7,338,972 km (0.089 R)
• M23: 8,509,276 km (0.12 R)
• M24: 8,859,036 km (0.091 R)
• M25: 9,051,718 km (0.082 R)
• M26: 9,506,945 km (0.11 R)
• M27: 11,020,277 km (0.059 R)
• M28: 11,646,493 km (0.116 R)
• M29: 11,999,395 km (0.03 R)
• M30: 12,391,640 km (0.08 R)
• M31: 12,499,500 km (0.108 R)
• M32: 12,679,766 km (0.099 R)
• M33: 13,372,554 km (0.061 R)
• M34: 14,605,240 km (0.082 R)
• M35: 15,139,305 km (0.096 R)
• M36: 15,485,923 km (0.116 R)
• M37: 16,265,627 km (0.111 R)
• M38: 16,501,992 km (0.112 R)
• M39: 17,138,082 km (0.084 R)
• M40: 17,418,877 km (0.091 R)
• M41: 19,011,346 km (0.092 R)
• M42: 20,098,624 km (0.094 R)
• M43: 20,225,333 km (0.049 R)
• M44: 20,522,135 km (0.037 R)
• M45: 20,948,788 km (0.104 R)
• M46: 21,335,200 km (0.119 R)
• M47: 21,897,538 km (0.101 R)
• M48: 22,202,269 km (0.118 R)
• M49: 22,904,332 km (0.05 R)
• M50: 23,213,700 km (0.057 R)
• M51: 23,569,145 km (0.062 R)
• M52: 24,150,332 km (0.091 R)
• M53: 24,600,771 km (0.119 R)
• M54: 25,053,903 km (0.102 R)
• M55: 26,337,453 km (0.063 R)
• M56: 26,661,632 km (0.104 R)
• M57: 27,783,317 km (0.044 R)
• M58: 28,492,261 km (0.112 R)
• M59: 28,872,688 km (0.072 R)
• M60: 29,590,758 km (0.066 R)
• M61: 29,783,141 km (0.086 R)
• M62: 30,460,071 km (0.078 R)
• M63: 30,995,632 km (0.113 R)
• M64: 31,534,184 km (0.056 R)
• M65: 31,730,756 km (0.112 R)
• M66: 31,829,191 km (0.114 R)
• M67: 32,026,361 km (0.059 R)
• M68: 32,223,980 km (0.106 R)
• M69: 33,168,242 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 17,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit