🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.55 AU - 0.69 AU

Year: 205 Days

Day: 46.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 33.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 54,930,471 km

• M1: 19,747 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.6 AU - 0.88 AU

Year: 267 Days

Day: 17.6 Hours

Environment

Temp: -7 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,930,471 km

• M1: 517,309 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.8 AU - 1.02 AU

Year: 364 Days

Day: 35.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.94 AU - 1.14 AU

Year: 444 Days

Day: 35.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.1 AU - 1.2 AU

Year: 517 Days

Day: 19.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,930,471 km

• M1: 921,523 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.22 AU - 1.3 AU

Year: 593 Days

Day: 44.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.68 AU - 2.02 AU

Year: 1054 Days

Day: 20.1 Hours

Environment

Temp: -104 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.6

Radius: 11.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.57 AU - 7.45 AU

Year: 6959 Days

Day: 9.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 54,930,471 km

• M1: 145,260 km (0.074 R)
• M2: 277,654 km (0.104 R)
• M3: 365,168 km (0.097 R)
• M4: 671,395 km (0.111 R)
• M5: 789,278 km (0.091 R)
• M6: 914,791 km (0.117 R)
• M7: 1,358,349 km (0.078 R)
• M8: 1,434,344 km (0.112 R)
• M9: 1,698,385 km (0.06 R)
• M10: 1,949,559 km (0.079 R)
• M11: 2,045,751 km (0.081 R)
• M12: 2,395,361 km (0.077 R)
• M13: 2,807,204 km (0.034 R)
• M14: 2,927,481 km (0.041 R)
• M15: 3,038,333 km (0.041 R)
• M16: 3,196,009 km (0.057 R)
• M17: 3,356,378 km (0.091 R)
• M18: 3,566,563 km (0.06 R)
• M19: 4,012,364 km (0.075 R)
• M20: 4,173,332 km (0.117 R)
• M21: 4,248,280 km (0.051 R)
• M22: 4,336,393 km (0.115 R)
• M23: 4,425,105 km (0.068 R)
• M24: 4,630,054 km (0.069 R)
• M25: 4,720,860 km (0.089 R)
• M26: 4,825,279 km (0.102 R)
• M27: 5,210,195 km (0.119 R)
• M28: 5,331,668 km (0.101 R)
• M29: 5,702,072 km (0.091 R)
• M30: 5,785,398 km (0.103 R)
• M31: 6,066,493 km (0.073 R)
• M32: 6,308,991 km (0.091 R)
• M33: 6,438,692 km (0.115 R)
• M34: 6,996,094 km (0.111 R)
• M35: 7,280,629 km (0.062 R)
• M36: 7,907,594 km (0.097 R)
• M37: 8,156,973 km (0.096 R)
• M38: 8,504,190 km (0.088 R)
• M39: 8,583,776 km (0.107 R)
• M40: 8,695,675 km (0.037 R)
• M41: 8,824,030 km (0.097 R)
• M42: 8,904,664 km (0.079 R)
• M43: 9,147,910 km (0.085 R)
• M44: 9,840,847 km (0.041 R)
• M45: 10,210,503 km (0.081 R)
• M46: 10,414,106 km (0.111 R)
• M47: 10,619,055 km (0.078 R)
• M48: 11,154,616 km (0.092 R)
• M49: 11,276,837 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 14.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.49 AU - 9.61 AU

Year: 12365 Days

Day: 6.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 113.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 54,930,471 km

• M1: 203,453 km (0.076 R)
• M2: 497,413 km (0.109 R)
• M3: 968,646 km (0.106 R)
• M4: 1,070,373 km (0.108 R)
• M5: 1,422,825 km (0.081 R)
• M6: 1,637,648 km (0.115 R)
• M7: 2,488,261 km (0.089 R)
• M8: 3,622,363 km (0.097 R)
• M9: 4,089,258 km (0.066 R)
• M10: 5,340,046 km (0.086 R)
• M11: 6,262,167 km (0.049 R)
• M12: 6,823,159 km (0.09 R)
• M13: 7,027,360 km (0.064 R)
• M14: 7,192,217 km (0.104 R)
• M15: 7,864,809 km (0.088 R)
• M16: 8,165,351 km (0.044 R)
• M17: 8,513,615 km (0.099 R)
• M18: 8,866,815 km (0.069 R)
• M19: 9,724,909 km (0.08 R)
• M20: 10,233,841 km (0.11 R)
• M21: 10,609,631 km (0.108 R)
• M22: 12,306,070 km (0.081 R)
• M23: 12,655,531 km (0.075 R)
• M24: 14,033,926 km (0.073 R)
• M25: 15,192,113 km (0.091 R)
• M26: 16,053,647 km (0.081 R)
• M27: 16,271,611 km (0.112 R)
• M28: 16,655,180 km (0.11 R)
• M29: 17,543,492 km (0.075 R)
• M30: 18,106,429 km (0.069 R)
• M31: 20,006,172 km (0.081 R)
• M32: 20,182,099 km (0.041 R)
• M33: 21,069,065 km (0.09 R)
• M34: 21,188,294 km (0.116 R)
• M35: 21,427,352 km (0.114 R)
• M36: 22,089,622 km (0.105 R)
• M37: 23,249,454 km (0.115 R)
• M38: 23,496,141 km (0.105 R)
• M39: 23,681,642 km (0.115 R)
• M40: 24,679,759 km (0.053 R)
• M41: 24,931,383 km (0.108 R)
• M42: 25,183,904 km (0.097 R)
• M43: 25,818,947 km (0.059 R)
• M44: 27,104,890 km (0.097 R)
• M45: 27,364,592 km (0.111 R)
• M46: 28,148,485 km (0.04 R)
• M47: 28,345,655 km (0.058 R)
• M48: 29,471,678 km (0.112 R)
• M49: 30,140,829 km (0.111 R)
• M50: 31,153,906 km (0.063 R)
• M51: 31,426,025 km (0.044 R)
• M52: 32,384,498 km (0.109 R)
• M53: 33,282,983 km (0.118 R)
• M54: 33,421,959 km (0.096 R)
• M55: 35,034,026 km (0.114 R)
• M56: 35,529,793 km (0.104 R)
• M57: 35,956,447 km (0.073 R)
• M58: 36,671,375 km (0.07 R)
• M59: 36,886,796 km (0.05 R)
• M60: 37,174,622 km (0.059 R)
• M61: 37,463,346 km (0.068 R)
• M62: 37,752,668 km (0.092 R)
• M63: 39,283,952 km (0.114 R)
• M64: 41,431,878 km (0.081 R)
• M65: 41,731,224 km (0.048 R)
• M66: 42,256,611 km (0.105 R)
• M67: 43,998,379 km (0.117 R)
• M68: 44,763,124 km (0.074 R)
• M69: 45,686,442 km (0.047 R)
• M70: 45,918,318 km (0.118 R)
• M71: 46,073,003 km (0.061 R)
• M72: 46,538,402 km (0.09 R)
• M73: 47,630,316 km (0.104 R)
• M74: 47,943,724 km (0.117 R)
• M75: 48,415,406 km (0.115 R)
• M76: 48,572,933 km (0.106 R)
• M77: 49,998,301 km (0.06 R)
• M78: 50,636,336 km (0.087 R)
• M79: 51,678,734 km (0.091 R)
• M80: 52,566,298 km (0.052 R)
• M81: 53,784,773 km (0.118 R)
• M82: 54,848,414 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 19,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit