🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.49 AU - 0.75 AU

Year: 174 Days

Day: 19 Hours

Environment

Temp: 153 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.16 AU - 1.4 AU

Year: 516 Days

Day: 26.4 Hours

Environment

Temp: -6 °C

Axial Tilt: 35 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.18 AU - 1.58 AU

Year: 578 Days

Day: 35.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 34.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.32 AU - 2.12 AU

Year: 804 Days

Day: 29.6 Hours

Environment

Temp: -46 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.99 AU - 2.09 AU

Year: 1039 Days

Day: 27.9 Hours

Environment

Temp: -69 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 96,440,090 km

• M1: 251,923 km (0.094 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.56 AU - 5.7 AU

Year: 4142 Days

Day: 25.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 41.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.3

Radius: 4.9

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 10.38 AU - 15.4 AU

Year: 16496 Days

Day: 15.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,440,090 km

• M1: 60,886 km (0.109 R)
• M2: 274,063 km (0.059 R)
• M3: 594,352 km (0.11 R)
• M4: 758,910 km (0.028 R)
• M5: 1,434,195 km (0.096 R)
• M6: 1,720,376 km (0.097 R)
• M7: 1,877,304 km (0.098 R)
• M8: 2,078,363 km (0.08 R)
• M9: 2,312,334 km (0.107 R)
• M10: 2,523,866 km (0.111 R)
• M11: 3,167,286 km (0.084 R)
• M12: 4,328,315 km (0.111 R)
• M13: 5,309,677 km (0.116 R)
• M14: 5,957,885 km (0.112 R)
• M15: 6,619,407 km (0.083 R)
• M16: 10,261,217 km (0.108 R)
• M17: 13,829,874 km (0.049 R)
• M18: 14,463,421 km (0.106 R)
• M19: 14,787,301 km (0.07 R)
• M20: 17,628,164 km (0.096 R)
• M21: 23,460,536 km (0.116 R)
• M22: 23,638,708 km (0.106 R)
• M23: 34,085,875 km (0.053 R)
• M24: 34,659,283 km (0.069 R)
• M25: 38,359,138 km (0.12 R)
• M26: 38,854,756 km (0.11 R)
• M27: 42,577,648 km (0.102 R)
• M28: 46,953,835 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.5

Radius: 7.4

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 15.35 AU - 18.95 AU

Year: 25316 Days

Day: 17.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,440,090 km

• M1: 92,003 km (0.115 R)
• M2: 356,941 km (0.106 R)
• M3: 707,448 km (0.091 R)
• M4: 968,347 km (0.082 R)
• M5: 1,606,232 km (0.098 R)
• M6: 2,882,003 km (0.036 R)
• M7: 3,741,592 km (0.113 R)
• M8: 4,726,096 km (0.054 R)
• M9: 6,780,374 km (0.107 R)
• M10: 7,291,101 km (0.098 R)
• M11: 14,489,900 km (0.079 R)
• M12: 16,792,660 km (0.115 R)
• M13: 19,790,452 km (0.087 R)
• M14: 20,354,137 km (0.088 R)
• M15: 29,167,396 km (0.057 R)
• M16: 33,863,572 km (0.1 R)
• M17: 35,351,323 km (0.077 R)
• M18: 36,882,009 km (0.096 R)
• M19: 44,399,750 km (0.055 R)
• M20: 60,389,968 km (0.036 R)
• M21: 61,574,783 km (0.088 R)
• M22: 62,173,025 km (0.05 R)
• M23: 72,722,218 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.1

Radius: 5.3

Gravity: 29.62 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 13.93 AU - 20.89 AU

Year: 25894 Days

Day: 19.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,440,090 km

• M1: 68,516 km (0.067 R)
• M2: 254,167 km (0.097 R)
• M3: 582,385 km (0.063 R)
• M4: 872,156 km (0.109 R)
• M5: 1,799,214 km (0.104 R)
• M6: 3,624,607 km (0.064 R)
• M7: 4,868,812 km (0.093 R)
• M8: 6,187,667 km (0.099 R)
• M9: 8,331,554 km (0.086 R)
• M10: 9,818,407 km (0.093 R)
• M11: 11,128,885 km (0.057 R)
• M12: 11,543,570 km (0.107 R)
• M13: 15,241,330 km (0.102 R)
• M14: 16,100,172 km (0.03 R)
• M15: 17,448,198 km (0.043 R)
• M16: 17,726,450 km (0.089 R)
• M17: 21,513,520 km (0.111 R)
• M18: 24,976,262 km (0.103 R)
• M19: 25,926,657 km (0.09 R)
• M20: 26,777,720 km (0.1 R)
• M21: 28,792,953 km (0.109 R)
• M22: 29,312,057 km (0.108 R)
• M23: 34,851,666 km (0.092 R)
• M24: 35,441,232 km (0.094 R)
• M25: 40,886,594 km (0.072 R)
• M26: 41,542,431 km (0.099 R)
• M27: 42,205,150 km (0.108 R)
• M28: 50,153,285 km (0.119 R)
• M29: 50,716,072 km (0.118 R)
• M30: 51,473,037 km (0.118 R)
• M31: 52,622,397 km (0.085 R)
• M32: 53,984,935 km (0.119 R)
• M33: 54,378,527 km (0.101 R)
• M34: 54,774,064 km (0.114 R)
• M35: 63,967,302 km (0.105 R)
• M36: 68,465,709 km (0.118 R)
• M37: 70,088,697 km (0.106 R)
• M38: 71,263,638 km (0.036 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 18,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit