🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.72 AU - 1.12 AU

Year: 319 Days

Day: 33.1 Hours

Environment

Temp: 120 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.98 AU - 1.06 AU

Year: 373 Days

Day: 35.6 Hours

Environment

Temp: 42 °C

Axial Tilt: 36.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.21 AU - 1.33 AU

Year: 518 Days

Day: 15.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.46 AU - 2.36 AU

Year: 955 Days

Day: 30.2 Hours

Environment

Temp: -69 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.9

Radius: 9.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.63 AU - 8.93 AU

Year: 8617 Days

Day: 14.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 106,997,043 km

• M1: 123,269 km (0.095 R)
• M2: 549,024 km (0.069 R)
• M3: 896,390 km (0.117 R)
• M4: 1,548,936 km (0.086 R)
• M5: 1,893,610 km (0.114 R)
• M6: 2,673,464 km (0.051 R)
• M7: 3,137,217 km (0.058 R)
• M8: 3,933,227 km (0.106 R)
• M9: 5,196,880 km (0.067 R)
• M10: 5,777,619 km (0.119 R)
• M11: 6,128,426 km (0.087 R)
• M12: 6,681,490 km (0.074 R)
• M13: 8,320,035 km (0.038 R)
• M14: 8,654,835 km (0.1 R)
• M15: 9,037,357 km (0.106 R)
• M16: 11,437,804 km (0.116 R)
• M17: 12,276,749 km (0.108 R)
• M18: 13,868,770 km (0.116 R)
• M19: 14,234,686 km (0.104 R)
• M20: 16,218,952 km (0.073 R)
• M21: 17,277,357 km (0.119 R)
• M22: 18,443,772 km (0.109 R)
• M23: 20,123,906 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554

Radius: 10.6

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.65 AU - 12.49 AU

Year: 12428 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 106,997,043 km

• M1: 132,095 km (0.108 R)
• M2: 629,358 km (0.106 R)
• M3: 1,168,060 km (0.096 R)
• M4: 1,710,801 km (0.059 R)
• M5: 2,455,051 km (0.079 R)
• M6: 3,603,364 km (0.026 R)
• M7: 5,861,993 km (0.083 R)
• M8: 7,754,406 km (0.099 R)
• M9: 8,105,362 km (0.104 R)
• M10: 9,617,498 km (0.105 R)
• M11: 10,074,818 km (0.105 R)
• M12: 11,253,949 km (0.095 R)
• M13: 13,440,920 km (0.078 R)
• M14: 16,754,662 km (0.119 R)
• M15: 17,417,530 km (0.09 R)
• M16: 24,100,067 km (0.115 R)
• M17: 25,615,344 km (0.11 R)
• M18: 27,699,392 km (0.103 R)
• M19: 28,626,301 km (0.095 R)
• M20: 31,420,041 km (0.103 R)
• M21: 31,977,442 km (0.117 R)
• M22: 36,799,730 km (0.117 R)
• M23: 37,294,600 km (0.118 R)
• M24: 37,919,619 km (0.107 R)
• M25: 41,951,132 km (0.103 R)
• M26: 44,418,450 km (0.11 R)
• M27: 46,403,315 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.8

Radius: 6.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 13.43 AU - 14.47 AU

Year: 18843 Days

Day: 17.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 106,997,043 km

• M1: 85,570 km (0.074 R)
• M2: 321,486 km (0.057 R)
• M3: 692,788 km (0.118 R)
• M4: 1,244,056 km (0.089 R)
• M5: 1,798,316 km (0.068 R)
• M6: 3,432,972 km (0.04 R)
• M7: 4,599,835 km (0.031 R)
• M8: 5,114,751 km (0.114 R)
• M9: 7,321,918 km (0.12 R)
• M10: 10,600,056 km (0.071 R)
• M11: 13,140,827 km (0.096 R)
• M12: 13,560,149 km (0.12 R)
• M13: 13,803,695 km (0.077 R)
• M14: 21,954,086 km (0.092 R)
• M15: 25,935,035 km (0.05 R)
• M16: 26,689,906 km (0.093 R)
• M17: 34,153,942 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.8

Radius: 7.1

Gravity: 16.02 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 17.5 AU - 21.14 AU

Year: 30711 Days

Day: 18.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,997,043 km

• M1: 88,412 km (0.11 R)
• M2: 339,886 km (0.097 R)
• M3: 613,501 km (0.087 R)
• M4: 905,666 km (0.089 R)
• M5: 1,840,203 km (0.095 R)
• M6: 2,385,188 km (0.096 R)
• M7: 3,181,648 km (0.1 R)
• M8: 3,624,457 km (0.078 R)
• M9: 4,402,516 km (0.106 R)
• M10: 4,632,896 km (0.064 R)
• M11: 5,459,724 km (0.118 R)
• M12: 7,349,295 km (0.079 R)
• M13: 9,830,375 km (0.088 R)
• M14: 10,092,471 km (0.104 R)
• M15: 13,212,783 km (0.093 R)
• M16: 14,521,615 km (0.066 R)
• M17: 17,875,300 km (0.026 R)
• M18: 18,167,913 km (0.097 R)
• M19: 19,065,052 km (0.112 R)
• M20: 25,939,373 km (0.093 R)
• M21: 33,260,843 km (0.108 R)
• M22: 34,300,548 km (0.078 R)
• M23: 35,515,133 km (0.106 R)
• M24: 36,288,554 km (0.092 R)
• M25: 38,352,107 km (0.106 R)
• M26: 39,495,035 km (0.092 R)
• M27: 42,192,434 km (0.113 R)
• M28: 44,651,374 km (0.066 R)
• M29: 61,882,506 km (0.113 R)
• M30: 64,134,851 km (0.109 R)
• M31: 72,448,005 km (0.089 R)
• M32: 75,455,670 km (0.102 R)
• M33: 84,153,889 km (0.098 R)
• M34: 93,204,111 km (0.027 R)
• M35: 99,482,883 km (0.109 R)
• M36: 104,451,776 km (0.07 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 18,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit