🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.48 AU - 0.52 AU

Year: 123 Days

Day: 19.8 Hours

Environment

Temp: 288 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.53 AU - 0.87 AU

Year: 204 Days

Day: 15.1 Hours

Environment

Temp: 147 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,773,955 km

• M1: 390,750 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.77 AU - 0.85 AU

Year: 254 Days

Day: 20.3 Hours

Environment

Temp: 146 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.19 AU - 1.29 AU

Year: 481 Days

Day: 26.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.42 AU - 1.92 AU

Year: 752 Days

Day: 43.7 Hours

Environment

Temp: -23 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 9.1

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.59 AU - 6.15 AU

Year: 4953 Days

Day: 7.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,773,955 km

• M1: 113,694 km (0.09 R)
• M2: 789,578 km (0.092 R)
• M3: 1,178,981 km (0.113 R)
• M4: 1,568,384 km (0.081 R)
• M5: 2,133,116 km (0.111 R)
• M6: 2,488,860 km (0.096 R)
• M7: 3,197,355 km (0.076 R)
• M8: 3,870,097 km (0.093 R)
• M9: 5,794,973 km (0.117 R)
• M10: 12,663,310 km (0.114 R)
• M11: 15,312,988 km (0.083 R)
• M12: 17,081,534 km (0.078 R)
• M13: 18,644,831 km (0.11 R)
• M14: 20,947,292 km (0.077 R)
• M15: 24,383,406 km (0.08 R)
• M16: 28,891,538 km (0.063 R)
• M17: 29,708,492 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690

Radius: 6.7

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 17 AU - 17.84 AU

Year: 25320 Days

Day: 17.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,773,955 km

• M1: 83,476 km (0.094 R)
• M2: 293,062 km (0.101 R)
• M3: 714,479 km (0.108 R)
• M4: 1,780,813 km (0.067 R)
• M5: 2,169,468 km (0.077 R)
• M6: 2,817,975 km (0.074 R)
• M7: 3,496,401 km (0.078 R)
• M8: 4,278,798 km (0.086 R)
• M9: 5,496,226 km (0.11 R)
• M10: 6,274,583 km (0.066 R)
• M11: 6,929,074 km (0.067 R)
• M12: 8,048,216 km (0.06 R)
• M13: 11,031,197 km (0.085 R)
• M14: 12,193,423 km (0.048 R)
• M15: 23,133,665 km (0.094 R)
• M16: 31,598,212 km (0.115 R)
• M17: 33,368,852 km (0.088 R)
• M18: 34,067,175 km (0.08 R)
• M19: 38,922,075 km (0.089 R)
• M20: 39,230,396 km (0.112 R)
• M21: 43,552,578 km (0.114 R)
• M22: 46,603,925 km (0.113 R)
• M23: 46,951,591 km (0.032 R)
• M24: 55,431,696 km (0.108 R)
• M25: 57,202,187 km (0.07 R)
• M26: 57,600,715 km (0.05 R)
• M27: 65,094,073 km (0.101 R)
• M28: 65,964,882 km (0.043 R)
• M29: 69,525,162 km (0.045 R)
• M30: 71,352,500 km (0.083 R)
• M31: 81,978,287 km (0.064 R)
• M32: 82,738,842 km (0.106 R)
• M33: 86,089,386 km (0.067 R)
• M34: 88,994,128 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.9

Radius: 3.1

Gravity: 34.22 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 17.6 AU - 22.26 AU

Year: 30985 Days

Day: 15.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,773,955 km

• M1: 38,596 km (0.102 R)
• M2: 313,108 km (0.074 R)
• M3: 423,362 km (0.06 R)
• M4: 777,011 km (0.093 R)
• M5: 1,392,008 km (0.096 R)
• M6: 1,489,097 km (0.071 R)
• M7: 2,391,023 km (0.077 R)
• M8: 2,554,533 km (0.101 R)
• M9: 6,923,838 km (0.038 R)
• M10: 8,107,307 km (0.107 R)
• M11: 8,692,384 km (0.088 R)
• M12: 9,945,865 km (0.058 R)
• M13: 15,197,049 km (0.112 R)
• M14: 15,920,056 km (0.109 R)
• M15: 17,089,762 km (0.079 R)
• M16: 18,949,861 km (0.108 R)
• M17: 19,598,817 km (0.109 R)
• M18: 21,335,050 km (0.118 R)
• M19: 21,734,327 km (0.072 R)
• M20: 23,171,214 km (0.116 R)
• M21: 23,487,165 km (0.055 R)
• M22: 25,554,907 km (0.118 R)
• M23: 30,298,356 km (0.061 R)
• M24: 31,056,967 km (0.102 R)
• M25: 37,298,040 km (0.103 R)
• M26: 40,405,487 km (0.118 R)
• M27: 44,811,294 km (0.067 R)
• M28: 48,489,457 km (0.045 R)
• M29: 48,661,195 km (0.115 R)
• M30: 52,907,531 km (0.093 R)
• M31: 67,541,793 km (0.077 R)
• M32: 67,756,017 km (0.076 R)
• M33: 71,246,734 km (0.083 R)
• M34: 72,810,929 km (0.102 R)

Kuiper Belt

Range: 31.5 - 49.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 18,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit