🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.42 AU - 0.68 AU

Year: 154 Days

Day: 18.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.56 AU - 0.62 AU

Year: 172 Days

Day: 36.5 Hours

Environment

Temp: 141 °C

Axial Tilt: 48.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,478,294 km

• M1: 26,180 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.51 AU - 0.83 AU

Year: 208 Days

Day: 32.3 Hours

Environment

Temp: 190 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.91 AU - 1.11 AU

Year: 384 Days

Day: 39.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.14 AU - 1.26 AU

Year: 498 Days

Day: 25 Hours

Environment

Temp: 0 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.73 AU - 3.21 AU

Year: 1939 Days

Day: 15.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.1

Radius: 11.7

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.7 AU - 10.7 AU

Year: 9719 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,478,294 km

• M1: 145,559 km (0.12 R)
• M2: 598,541 km (0.117 R)
• M3: 1,185,414 km (0.047 R)
• M4: 1,589,029 km (0.088 R)
• M5: 2,746,318 km (0.095 R)
• M6: 3,617,277 km (0.084 R)
• M7: 4,370,352 km (0.114 R)
• M8: 6,521,719 km (0.098 R)
• M9: 7,225,278 km (0.101 R)
• M10: 8,197,215 km (0.116 R)
• M11: 13,396,789 km (0.105 R)
• M12: 16,927,298 km (0.103 R)
• M13: 17,730,938 km (0.075 R)
• M14: 18,713,198 km (0.116 R)
• M15: 20,786,325 km (0.058 R)
• M16: 22,049,679 km (0.102 R)
• M17: 24,268,215 km (0.106 R)
• M18: 29,665,407 km (0.111 R)
• M19: 33,260,693 km (0.059 R)
• M20: 36,772,503 km (0.038 R)
• M21: 38,368,263 km (0.098 R)
• M22: 39,499,822 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 12.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.84 AU - 12.28 AU

Year: 12997 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,478,294 km

• M1: 164,258 km (0.101 R)
• M2: 1,537,417 km (0.074 R)
• M3: 3,346,056 km (0.085 R)
• M4: 4,132,043 km (0.052 R)
• M5: 5,508,942 km (0.063 R)
• M6: 5,949,358 km (0.048 R)
• M7: 6,768,705 km (0.074 R)
• M8: 7,171,572 km (0.068 R)
• M9: 10,238,628 km (0.053 R)
• M10: 11,321,567 km (0.115 R)
• M11: 11,987,726 km (0.089 R)
• M12: 12,629,501 km (0.073 R)
• M13: 14,749,004 km (0.119 R)
• M14: 23,041,214 km (0.102 R)
• M15: 25,134,836 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.5

Radius: 4.4

Gravity: 19.65 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 15.71 AU - 16.91 AU

Year: 24948 Days

Day: 23 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,478,294 km

• M1: 59,390 km (0.082 R)
• M2: 221,255 km (0.096 R)
• M3: 380,128 km (0.104 R)
• M4: 913,145 km (0.079 R)
• M5: 1,068,428 km (0.112 R)
• M6: 1,433,297 km (0.096 R)
• M7: 2,049,491 km (0.087 R)
• M8: 3,002,878 km (0.116 R)
• M9: 3,213,362 km (0.103 R)
• M10: 5,975,089 km (0.048 R)
• M11: 8,892,097 km (0.073 R)
• M12: 14,628,577 km (0.085 R)
• M13: 14,928,970 km (0.109 R)
• M14: 16,901,119 km (0.108 R)
• M15: 20,876,233 km (0.117 R)
• M16: 24,158,261 km (0.094 R)
• M17: 24,578,033 km (0.119 R)
• M18: 25,109,554 km (0.093 R)
• M19: 33,118,425 km (0.077 R)
• M20: 37,135,577 km (0.05 R)
• M21: 46,765,940 km (0.099 R)
• M22: 51,976,434 km (0.117 R)
• M23: 54,093,094 km (0.106 R)
• M24: 60,016,871 km (0.074 R)
• M25: 63,531,673 km (0.047 R)
• M26: 64,531,734 km (0.095 R)
• M27: 65,745,721 km (0.081 R)
• M28: 66,768,970 km (0.101 R)
• M29: 68,219,172 km (0.071 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: 171 - 17,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit