🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.54 AU - 0.56 AU

Year: 142 Days

Day: 40.2 Hours

Environment

Temp: 252 °C

Axial Tilt: 16.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,078,547 km

• M1: 16,007 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.61 AU - 0.93 AU

Year: 235 Days

Day: 39.1 Hours

Environment

Temp: 190 °C

Axial Tilt: 11.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 77,078,547 km

• M1: 41,588 km (0.051 R)
• M2: 67,020 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.07 AU - 1.55 AU

Year: 522 Days

Day: 22.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.2 AU - 1.52 AU

Year: 552 Days

Day: 29.3 Hours

Environment

Temp: 0 °C

Axial Tilt: 10.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.97 AU - 3.71 AU

Year: 2126 Days

Day: 20.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.93 AU - 4.51 AU

Year: 2499 Days

Day: 20.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,078,547 km

• M1: 321,037 km (0.045 R)

Asteroid Belt

Center: 7.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 13

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.07 AU - 11.73 AU

Year: 11680 Days

Day: 10.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,078,547 km

• M1: 196,123 km (0.095 R)
• M2: 671,246 km (0.109 R)
• M3: 1,147,416 km (0.101 R)
• M4: 1,594,115 km (0.117 R)
• M5: 2,283,911 km (0.097 R)
• M6: 3,697,162 km (0.091 R)
• M7: 5,451,646 km (0.098 R)
• M8: 7,093,183 km (0.119 R)
• M9: 7,970,874 km (0.063 R)
• M10: 8,960,763 km (0.071 R)
• M11: 9,679,581 km (0.106 R)
• M12: 10,574,176 km (0.108 R)
• M13: 11,474,306 km (0.115 R)
• M14: 12,735,716 km (0.066 R)
• M15: 13,535,915 km (0.077 R)
• M16: 14,769,648 km (0.09 R)
• M17: 16,261,289 km (0.118 R)
• M18: 17,851,065 km (0.047 R)
• M19: 21,859,690 km (0.075 R)
• M20: 23,714,105 km (0.072 R)
• M21: 24,274,199 km (0.063 R)
• M22: 30,747,748 km (0.115 R)
• M23: 32,089,940 km (0.076 R)
• M24: 32,775,397 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 7.3

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 11.92 AU - 18.76 AU

Year: 20923 Days

Day: 24.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,078,547 km

• M1: 90,956 km (0.065 R)
• M2: 414,237 km (0.103 R)
• M3: 649,853 km (0.036 R)
• M4: 906,862 km (0.067 R)
• M5: 2,321,011 km (0.076 R)
• M6: 3,565,815 km (0.112 R)
• M7: 4,315,151 km (0.092 R)
• M8: 5,990,946 km (0.119 R)
• M9: 7,094,529 km (0.112 R)
• M10: 8,436,722 km (0.057 R)
• M11: 8,713,178 km (0.069 R)
• M12: 12,661,515 km (0.104 R)
• M13: 18,206,061 km (0.085 R)
• M14: 19,138,056 km (0.058 R)
• M15: 21,096,890 km (0.079 R)
• M16: 21,606,720 km (0.12 R)
• M17: 22,439,531 km (0.053 R)
• M18: 23,078,015 km (0.074 R)
• M19: 28,753,459 km (0.11 R)
• M20: 30,921,431 km (0.113 R)
• M21: 37,034,000 km (0.079 R)
• M22: 37,925,454 km (0.096 R)
• M23: 41,157,965 km (0.098 R)
• M24: 42,114,194 km (0.079 R)
• M25: 44,402,892 km (0.099 R)
• M26: 45,408,638 km (0.101 R)
• M27: 46,601,233 km (0.08 R)
• M28: 47,465,609 km (0.105 R)
• M29: 51,580,448 km (0.11 R)
• M30: 54,008,122 km (0.108 R)
• M31: 58,688,441 km (0.043 R)
• M32: 61,746,970 km (0.047 R)
• M33: 64,695,843 km (0.04 R)
• M34: 79,868,358 km (0.11 R)
• M35: 80,609,317 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.3

Radius: 5.5

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 13.23 AU - 19.35 AU

Year: 22897 Days

Day: 21.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 166 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,078,547 km

• M1: 68,366 km (0.085 R)
• M2: 312,959 km (0.097 R)
• M3: 510,129 km (0.092 R)
• M4: 888,462 km (0.105 R)
• M5: 1,093,560 km (0.084 R)
• M6: 1,360,443 km (0.104 R)
• M7: 2,106,338 km (0.108 R)
• M8: 7,039,328 km (0.103 R)
• M9: 7,861,368 km (0.061 R)
• M10: 9,694,690 km (0.087 R)
• M11: 11,861,017 km (0.056 R)
• M12: 16,785,928 km (0.032 R)
• M13: 19,050,840 km (0.062 R)
• M14: 23,126,634 km (0.081 R)
• M15: 26,032,573 km (0.059 R)
• M16: 34,141,525 km (0.032 R)
• M17: 40,241,528 km (0.092 R)
• M18: 43,626,030 km (0.114 R)
• M19: 46,532,567 km (0.092 R)
• M20: 47,696,888 km (0.1 R)
• M21: 51,306,235 km (0.12 R)
• M22: 56,583,899 km (0.107 R)
• M23: 64,851,874 km (0.102 R)
• M24: 72,328,027 km (0.101 R)
• M25: 75,245,036 km (0.059 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 12,240 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit