🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.47 AU - 0.79 AU

Year: 176 Days

Day: 45.4 Hours

Environment

Temp: 236 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,256,284 km

• M1: 29,920 km (0.116 R)
• M2: 229,782 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.66 AU - 1.68 AU

Year: 758 Days

Day: 12.7 Hours

Environment

Temp: -41 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.15 AU - 3.59 AU

Year: 2174 Days

Day: 47.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.49 AU - 4.87 AU

Year: 3558 Days

Day: 19.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,256,284 km

• M1: 2,502,024 km (0.115 R)

Asteroid Belt

Center: 7.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 13.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.97 AU - 12.19 AU

Year: 12962 Days

Day: 6.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,256,284 km

• M1: 178,620 km (0.09 R)
• M2: 630,106 km (0.069 R)
• M3: 1,107,473 km (0.117 R)
• M4: 1,771,688 km (0.093 R)
• M5: 2,302,910 km (0.112 R)
• M6: 3,429,082 km (0.094 R)
• M7: 4,325,473 km (0.082 R)
• M8: 4,895,291 km (0.094 R)
• M9: 5,769,840 km (0.097 R)
• M10: 6,502,421 km (0.095 R)
• M11: 7,166,785 km (0.106 R)
• M12: 8,060,483 km (0.072 R)
• M13: 9,696,186 km (0.105 R)
• M14: 10,453,450 km (0.066 R)
• M15: 12,147,347 km (0.101 R)
• M16: 16,447,687 km (0.05 R)
• M17: 18,081,745 km (0.093 R)
• M18: 19,146,283 km (0.107 R)
• M19: 20,513,159 km (0.112 R)
• M20: 27,372,970 km (0.081 R)
• M21: 30,911,707 km (0.047 R)
• M22: 37,034,898 km (0.078 R)
• M23: 37,952,082 km (0.084 R)
• M24: 38,616,446 km (0.113 R)
• M25: 39,968,362 km (0.103 R)
• M26: 42,623,575 km (0.073 R)
• M27: 43,776,077 km (0.09 R)
• M28: 45,394,427 km (0.042 R)
• M29: 46,143,164 km (0.063 R)
• M30: 48,438,743 km (0.102 R)
• M31: 51,454,487 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.5

Radius: 11.2

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 9.82 AU - 14.58 AU

Year: 14977 Days

Day: 9.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,256,284 km

• M1: 140,173 km (0.089 R)
• M2: 792,570 km (0.109 R)
• M3: 1,252,284 km (0.099 R)
• M4: 2,231,402 km (0.077 R)
• M5: 3,605,309 km (0.101 R)
• M6: 7,499,192 km (0.119 R)
• M7: 10,088,731 km (0.097 R)
• M8: 13,709,149 km (0.111 R)
• M9: 18,456,787 km (0.108 R)
• M10: 21,815,409 km (0.097 R)
• M11: 30,549,232 km (0.053 R)
• M12: 38,626,918 km (0.088 R)
• M13: 42,851,113 km (0.109 R)
• M14: 49,334,685 km (0.112 R)
• M15: 54,650,197 km (0.079 R)
• M16: 59,957,480 km (0.101 R)
• M17: 67,827,375 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.5

Radius: 4.5

Gravity: 22.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 17.11 AU - 18.47 AU

Year: 26372 Days

Day: 16.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,256,284 km

• M1: 60,288 km (0.106 R)
• M2: 256,261 km (0.104 R)
• M3: 490,083 km (0.114 R)
• M4: 825,481 km (0.105 R)
• M5: 1,841,699 km (0.099 R)
• M6: 2,497,686 km (0.052 R)
• M7: 3,213,362 km (0.1 R)
• M8: 3,558,485 km (0.091 R)
• M9: 4,255,162 km (0.115 R)
• M10: 4,635,589 km (0.097 R)
• M11: 6,211,902 km (0.098 R)
• M12: 8,972,731 km (0.102 R)
• M13: 11,059,621 km (0.118 R)
• M14: 11,644,399 km (0.104 R)
• M15: 12,946,050 km (0.114 R)
• M16: 13,160,125 km (0.032 R)
• M17: 14,039,910 km (0.061 R)
• M18: 14,494,238 km (0.084 R)
• M19: 18,487,903 km (0.101 R)
• M20: 19,310,392 km (0.056 R)
• M21: 19,777,736 km (0.106 R)
• M22: 20,156,967 km (0.106 R)
• M23: 22,228,000 km (0.076 R)
• M24: 23,684,784 km (0.08 R)
• M25: 30,149,955 km (0.067 R)
• M26: 31,416,151 km (0.108 R)
• M27: 44,282,316 km (0.111 R)
• M28: 47,420,580 km (0.112 R)
• M29: 71,834,953 km (0.041 R)
• M30: 78,023,517 km (0.061 R)
• M31: 78,732,312 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.4

Radius: 5.3

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 15.07 AU - 23.97 AU

Year: 30311 Days

Day: 23.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,256,284 km

• M1: 66,272 km (0.062 R)
• M2: 272,567 km (0.118 R)
• M3: 479,910 km (0.106 R)
• M4: 1,424,621 km (0.088 R)
• M5: 1,808,339 km (0.093 R)
• M6: 2,521,323 km (0.115 R)
• M7: 3,812,203 km (0.105 R)
• M8: 5,646,871 km (0.06 R)
• M9: 7,657,017 km (0.053 R)
• M10: 9,363,181 km (0.115 R)
• M11: 10,935,455 km (0.072 R)
• M12: 14,817,071 km (0.109 R)
• M13: 16,052,151 km (0.066 R)
• M14: 20,352,192 km (0.075 R)
• M15: 21,391,598 km (0.098 R)
• M16: 21,778,159 km (0.058 R)
• M17: 22,664,825 km (0.095 R)
• M18: 24,933,477 km (0.09 R)
• M19: 30,888,220 km (0.035 R)
• M20: 31,381,893 km (0.119 R)
• M21: 49,094,132 km (0.072 R)
• M22: 49,597,828 km (0.098 R)
• M23: 49,766,424 km (0.1 R)
• M24: 62,351,794 km (0.117 R)
• M25: 63,536,908 km (0.057 R)
• M26: 67,388,904 km (0.069 R)
• M27: 67,595,798 km (0.1 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 17,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit