🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.38 AU - 0.62 AU

Year: 228 Days

Day: 37.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 10.3

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.88 AU - 1.1 AU

Year: 636 Days

Day: 7.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,420,332 km

• M1: 128,056 km (0.1 R)
• M2: 471,383 km (0.063 R)
• M3: 1,257,370 km (0.073 R)
• M4: 1,954,945 km (0.112 R)
• M5: 2,325,499 km (0.11 R)
• M6: 3,098,621 km (0.089 R)
• M7: 3,673,525 km (0.106 R)
• M8: 4,058,889 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.7

Radius: 14.2

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.02 AU - 1.34 AU

Year: 828 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,420,332 km

• M1: 179,368 km (0.113 R)
• M2: 781,200 km (0.115 R)
• M3: 1,421,180 km (0.103 R)
• M4: 2,332,979 km (0.077 R)
• M5: 2,921,198 km (0.073 R)
• M6: 3,527,667 km (0.115 R)
• M7: 4,369,155 km (0.079 R)
• M8: 5,591,520 km (0.11 R)
• M9: 6,194,698 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.7

Radius: 13.3

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.98 AU - 1.52 AU

Year: 902 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,420,332 km

• M1: 165,455 km (0.107 R)
• M2: 606,320 km (0.047 R)
• M3: 1,022,651 km (0.056 R)
• M4: 1,649,765 km (0.033 R)
• M5: 2,090,032 km (0.097 R)
• M6: 2,567,698 km (0.118 R)
• M7: 3,454,963 km (0.108 R)
• M8: 4,144,011 km (0.067 R)
• M9: 4,568,869 km (0.077 R)
• M10: 5,175,189 km (0.116 R)
• M11: 6,194,997 km (0.077 R)
• M12: 6,610,431 km (0.037 R)
• M13: 7,129,386 km (0.068 R)

Asteroid Belt

Center: 1.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.3

Radius: 8.9

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.88 AU - 2.78 AU

Year: 2296 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,420,332 km

• M1: 110,702 km (0.071 R)
• M2: 432,338 km (0.113 R)
• M3: 857,944 km (0.101 R)
• M4: 1,134,700 km (0.117 R)
• M5: 1,463,067 km (0.116 R)
• M6: 2,249,354 km (0.099 R)
• M7: 2,729,264 km (0.112 R)
• M8: 3,913,630 km (0.087 R)
• M9: 4,211,030 km (0.105 R)
• M10: 4,941,966 km (0.044 R)
• M11: 6,246,459 km (0.114 R)
• M12: 6,737,888 km (0.116 R)
• M13: 9,274,769 km (0.082 R)
• M14: 10,432,507 km (0.069 R)
• M15: 11,602,960 km (0.09 R)
• M16: 11,929,233 km (0.109 R)
• M17: 14,295,423 km (0.038 R)
• M18: 17,431,742 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.5

Radius: 8.5

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.44 AU - 4.3 AU

Year: 4916 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,420,332 km

• M1: 105,766 km (0.099 R)
• M2: 374,443 km (0.109 R)
• M3: 746,793 km (0.075 R)
• M4: 1,229,994 km (0.089 R)
• M5: 3,004,673 km (0.085 R)
• M6: 4,562,585 km (0.096 R)
• M7: 8,990,533 km (0.098 R)
• M8: 9,283,745 km (0.091 R)
• M9: 14,587,887 km (0.084 R)
• M10: 14,993,447 km (0.089 R)
• M11: 20,973,173 km (0.042 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.6

Radius: 10.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.12 AU - 5.84 AU

Year: 8283 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,420,332 km

• M1: 137,181 km (0.049 R)
• M2: 451,935 km (0.104 R)
• M3: 1,114,803 km (0.052 R)
• M4: 1,481,318 km (0.118 R)
• M5: 1,852,470 km (0.115 R)
• M6: 3,171,325 km (0.079 R)
• M7: 3,552,501 km (0.037 R)
• M8: 5,134,498 km (0.076 R)
• M9: 5,635,053 km (0.055 R)
• M10: 6,052,879 km (0.072 R)
• M11: 6,521,420 km (0.101 R)
• M12: 10,971,358 km (0.08 R)
• M13: 11,447,827 km (0.106 R)
• M14: 13,542,497 km (0.072 R)
• M15: 17,817,406 km (0.109 R)
• M16: 18,842,450 km (0.056 R)
• M17: 19,970,119 km (0.105 R)
• M18: 23,910,377 km (0.093 R)
• M19: 24,345,557 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.8

Radius: 8.4

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.6 AU - 6.46 AU

Year: 8397 Days

Day: 6.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,420,332 km

• M1: 104,719 km (0.114 R)
• M2: 616,044 km (0.072 R)
• M3: 1,012,030 km (0.095 R)
• M4: 1,341,295 km (0.108 R)
• M5: 1,816,118 km (0.029 R)
• M6: 2,344,647 km (0.108 R)
• M7: 3,279,784 km (0.091 R)
• M8: 3,756,552 km (0.094 R)
• M9: 5,435,788 km (0.11 R)
• M10: 5,763,557 km (0.081 R)
• M11: 6,069,634 km (0.088 R)
• M12: 8,310,910 km (0.061 R)
• M13: 8,835,549 km (0.054 R)
• M14: 11,314,685 km (0.093 R)
• M15: 12,402,262 km (0.108 R)
• M16: 14,100,946 km (0.112 R)
• M17: 16,966,194 km (0.11 R)
• M18: 17,455,229 km (0.101 R)
• M19: 18,830,183 km (0.105 R)
• M20: 19,734,802 km (0.107 R)
• M21: 20,589,305 km (0.116 R)
• M22: 21,145,809 km (0.095 R)
• M23: 22,791,086 km (0.105 R)
• M24: 25,325,872 km (0.086 R)
• M25: 25,689,694 km (0.094 R)
• M26: 26,056,808 km (0.065 R)
• M27: 26,708,007 km (0.047 R)
• M28: 29,122,217 km (0.1 R)
• M29: 29,823,383 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.6

Radius: 6.5

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.83 AU - 8.29 AU

Year: 13421 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,420,332 km

• M1: 80,783 km (0.055 R)
• M2: 514,467 km (0.106 R)
• M3: 1,270,834 km (0.087 R)
• M4: 1,669,213 km (0.084 R)
• M5: 1,956,441 km (0.088 R)
• M6: 2,528,653 km (0.036 R)
• M7: 2,908,931 km (0.095 R)
• M8: 3,678,761 km (0.066 R)
• M9: 5,307,284 km (0.111 R)
• M10: 5,930,957 km (0.111 R)
• M11: 11,619,715 km (0.091 R)
• M12: 12,253,113 km (0.12 R)
• M13: 20,232,514 km (0.049 R)
• M14: 21,488,089 km (0.106 R)
• M15: 25,758,061 km (0.105 R)
• M16: 26,145,669 km (0.057 R)
• M17: 26,438,880 km (0.071 R)
• M18: 26,833,370 km (0.113 R)
• M19: 34,385,819 km (0.102 R)
• M20: 36,412,571 km (0.111 R)
• M21: 42,562,838 km (0.117 R)
• M22: 45,177,061 km (0.064 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 16,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit