🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.59 AU - 0.63 AU

Year: 175 Days

Day: 36.6 Hours

Environment

Temp: 155 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.13 AU - 1.67 AU

Year: 608 Days

Day: 26.7 Hours

Environment

Temp: -32 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,573,783 km

• M1: 645,964 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.93 AU - 2.69 AU

Year: 1289 Days

Day: 46.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 83.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,573,783 km

• M1: 100,530 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.25 AU - 2.97 AU

Year: 1548 Days

Day: 45.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,573,783 km

• M1: 1,184,815 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.73 AU - 3.23 AU

Year: 1888 Days

Day: 34.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.45 AU - 3.85 AU

Year: 2052 Days

Day: 46.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,573,783 km

• M1: 1,474,736 km (0.088 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.45 AU - 4.59 AU

Year: 2959 Days

Day: 26.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,573,783 km

• M1: 52,210 km (0.115 R)
• M2: 212,429 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.4

Radius: 3.6

Gravity: 75.73 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 15.82 AU - 18.28 AU

Year: 25844 Days

Day: 18.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 67,573,783 km

• M1: 45,328 km (0.036 R)
• M2: 220,507 km (0.081 R)
• M3: 858,542 km (0.098 R)
• M4: 1,055,712 km (0.105 R)
• M5: 1,596,209 km (0.091 R)
• M6: 1,980,825 km (0.064 R)
• M7: 2,791,197 km (0.071 R)
• M8: 4,007,577 km (0.063 R)
• M9: 4,481,204 km (0.06 R)
• M10: 4,830,216 km (0.091 R)
• M11: 5,155,442 km (0.044 R)
• M12: 5,626,226 km (0.114 R)
• M13: 5,849,576 km (0.031 R)
• M14: 6,361,350 km (0.041 R)
• M15: 7,634,877 km (0.059 R)
• M16: 8,475,467 km (0.065 R)
• M17: 8,592,004 km (0.095 R)
• M18: 10,075,417 km (0.053 R)
• M19: 11,793,399 km (0.058 R)
• M20: 14,182,776 km (0.088 R)
• M21: 19,382,499 km (0.081 R)
• M22: 21,471,334 km (0.103 R)
• M23: 23,475,347 km (0.061 R)
• M24: 27,339,609 km (0.098 R)
• M25: 28,367,795 km (0.12 R)
• M26: 29,555,154 km (0.096 R)
• M27: 31,328,038 km (0.085 R)
• M28: 31,887,385 km (0.103 R)
• M29: 32,028,306 km (0.109 R)
• M30: 35,535,777 km (0.112 R)
• M31: 39,777,924 km (0.116 R)
• M32: 41,935,574 km (0.088 R)
• M33: 46,482,602 km (0.098 R)
• M34: 47,393,204 km (0.113 R)
• M35: 51,154,244 km (0.096 R)
• M36: 54,102,220 km (0.054 R)
• M37: 57,996,103 km (0.116 R)
• M38: 70,551,403 km (0.062 R)
• M39: 72,480,767 km (0.032 R)
• M40: 74,445,136 km (0.11 R)
• M41: 76,192,589 km (0.069 R)
• M42: 88,084,573 km (0.052 R)
• M43: 91,168,533 km (0.077 R)
• M44: 93,744,608 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.9

Radius: 7.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 16.16 AU - 22.92 AU

Year: 31707 Days

Day: 17.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,573,783 km

• M1: 94,695 km (0.064 R)
• M2: 403,166 km (0.118 R)
• M3: 894,296 km (0.06 R)
• M4: 2,264,463 km (0.108 R)
• M5: 2,700,242 km (0.067 R)
• M6: 3,012,602 km (0.057 R)
• M7: 3,295,641 km (0.059 R)
• M8: 3,797,243 km (0.103 R)
• M9: 4,316,796 km (0.118 R)
• M10: 4,577,246 km (0.108 R)
• M11: 5,764,604 km (0.067 R)
• M12: 6,535,033 km (0.086 R)
• M13: 12,591,204 km (0.082 R)
• M14: 12,856,142 km (0.07 R)
• M15: 15,037,428 km (0.117 R)
• M16: 16,021,633 km (0.099 R)
• M17: 21,312,161 km (0.097 R)
• M18: 24,144,199 km (0.044 R)
• M19: 27,438,793 km (0.114 R)
• M20: 28,109,290 km (0.075 R)
• M21: 33,490,924 km (0.027 R)
• M22: 40,808,205 km (0.11 R)
• M23: 43,616,755 km (0.09 R)
• M24: 48,796,581 km (0.063 R)
• M25: 49,615,630 km (0.065 R)
• M26: 55,784,747 km (0.079 R)
• M27: 67,371,551 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 12,188 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit