🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.5 AU - 0.52 AU

Year: 130 Days

Day: 18.6 Hours

Environment

Temp: 183 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.91 AU - 5.21 AU

Year: 3471 Days

Day: 16.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.3

Radius: 13.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.38 AU - 8.76 AU

Year: 8172 Days

Day: 7.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,406,450 km

• M1: 164,109 km (0.12 R)
• M2: 619,784 km (0.117 R)
• M3: 1,054,067 km (0.038 R)
• M4: 1,801,906 km (0.091 R)
• M5: 2,402,691 km (0.113 R)
• M6: 3,006,768 km (0.116 R)
• M7: 3,710,775 km (0.119 R)
• M8: 4,692,436 km (0.088 R)
• M9: 6,534,734 km (0.06 R)
• M10: 7,400,756 km (0.069 R)
• M11: 8,997,414 km (0.117 R)
• M12: 10,813,084 km (0.063 R)
• M13: 14,160,486 km (0.102 R)
• M14: 15,350,537 km (0.12 R)
• M15: 16,269,367 km (0.118 R)
• M16: 17,363,974 km (0.111 R)
• M17: 18,289,088 km (0.09 R)
• M18: 20,392,883 km (0.089 R)
• M19: 25,617,439 km (0.092 R)
• M20: 27,955,504 km (0.081 R)
• M21: 31,567,395 km (0.064 R)
• M22: 34,251,629 km (0.107 R)
• M23: 36,390,879 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 9.3

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 11.34 AU - 13.32 AU

Year: 15433 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,406,450 km

• M1: 115,639 km (0.077 R)
• M2: 515,664 km (0.069 R)
• M3: 1,205,310 km (0.091 R)
• M4: 1,924,277 km (0.114 R)
• M5: 2,576,674 km (0.107 R)
• M6: 3,852,594 km (0.076 R)
• M7: 5,319,700 km (0.085 R)
• M8: 6,261,269 km (0.09 R)
• M9: 6,859,810 km (0.077 R)
• M10: 8,729,036 km (0.113 R)
• M11: 13,374,050 km (0.082 R)
• M12: 14,954,850 km (0.105 R)
• M13: 22,531,833 km (0.114 R)
• M14: 25,076,792 km (0.103 R)
• M15: 29,186,096 km (0.039 R)
• M16: 31,461,180 km (0.093 R)
• M17: 32,957,608 km (0.103 R)
• M18: 36,768,613 km (0.033 R)
• M19: 39,848,834 km (0.079 R)
• M20: 48,785,511 km (0.109 R)
• M21: 49,946,839 km (0.105 R)
• M22: 50,618,833 km (0.101 R)
• M23: 54,068,859 km (0.039 R)
• M24: 58,784,184 km (0.108 R)
• M25: 59,721,415 km (0.07 R)
• M26: 60,478,230 km (0.026 R)
• M27: 64,358,949 km (0.099 R)
• M28: 69,856,820 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.1

Radius: 7.7

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 15.17 AU - 17.77 AU

Year: 23825 Days

Day: 21.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,406,450 km

• M1: 98,435 km (0.106 R)
• M2: 524,341 km (0.044 R)
• M3: 876,793 km (0.107 R)
• M4: 1,259,614 km (0.08 R)
• M5: 2,386,385 km (0.11 R)
• M6: 2,655,213 km (0.055 R)
• M7: 2,998,989 km (0.104 R)
• M8: 8,203,498 km (0.04 R)
• M9: 13,638,838 km (0.039 R)
• M10: 15,236,842 km (0.07 R)
• M11: 16,778,448 km (0.039 R)
• M12: 17,862,135 km (0.102 R)
• M13: 21,811,818 km (0.092 R)
• M14: 23,211,306 km (0.081 R)
• M15: 24,669,736 km (0.078 R)
• M16: 34,151,548 km (0.089 R)
• M17: 39,849,881 km (0.115 R)
• M18: 59,437,179 km (0.118 R)
• M19: 60,057,561 km (0.119 R)
• M20: 66,722,146 km (0.062 R)
• M21: 84,067,271 km (0.118 R)
• M22: 89,911,462 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.6

Radius: 5.4

Gravity: 24.85 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 13.6 AU - 20.96 AU

Year: 25604 Days

Day: 19.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,406,450 km

• M1: 68,815 km (0.087 R)
• M2: 249,828 km (0.101 R)
• M3: 797,805 km (0.029 R)
• M4: 1,121,535 km (0.117 R)
• M5: 1,494,333 km (0.079 R)
• M6: 2,894,868 km (0.083 R)
• M7: 3,562,972 km (0.093 R)
• M8: 3,983,343 km (0.086 R)
• M9: 5,079,147 km (0.087 R)
• M10: 5,320,299 km (0.076 R)
• M11: 6,089,980 km (0.114 R)
• M12: 6,834,229 km (0.045 R)
• M13: 7,278,684 km (0.08 R)
• M14: 9,310,223 km (0.041 R)
• M15: 20,193,618 km (0.112 R)
• M16: 24,805,421 km (0.101 R)
• M17: 36,186,977 km (0.115 R)
• M18: 37,380,918 km (0.084 R)
• M19: 45,961,552 km (0.101 R)
• M20: 58,366,956 km (0.09 R)
• M21: 61,047,749 km (0.08 R)
• M22: 77,885,588 km (0.063 R)
• M23: 88,962,413 km (0.08 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 17,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit