🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.44 AU - 0.56 AU

Year: 232 Days

Day: 32.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,684,748 km

• M1: 208,689 km (0.056 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.6

Radius: 14.7

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.05 AU - 1.41 AU

Year: 895 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 17,684,748 km

• M1: 182,809 km (0.114 R)
• M2: 649,704 km (0.087 R)
• M3: 1,247,646 km (0.07 R)
• M4: 1,956,291 km (0.118 R)
• M5: 2,687,675 km (0.103 R)
• M6: 3,228,920 km (0.097 R)
• M7: 3,977,957 km (0.099 R)
• M8: 5,016,914 km (0.058 R)
• M9: 5,571,922 km (0.105 R)
• M10: 8,520,646 km (0.05 R)
• M11: 9,178,577 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 9.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.37 AU - 1.49 AU

Year: 1122 Days

Day: 8.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,684,748 km

• M1: 121,922 km (0.035 R)
• M2: 442,660 km (0.062 R)
• M3: 820,544 km (0.089 R)
• M4: 1,397,543 km (0.052 R)
• M5: 1,857,407 km (0.112 R)
• M6: 3,015,295 km (0.104 R)
• M7: 3,723,641 km (0.041 R)
• M8: 4,675,532 km (0.112 R)
• M9: 5,250,137 km (0.037 R)
• M10: 5,799,760 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 8.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.3 AU - 1.78 AU

Year: 1254 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,684,748 km

• M1: 110,702 km (0.04 R)
• M2: 403,017 km (0.077 R)
• M3: 856,597 km (0.092 R)
• M4: 1,334,862 km (0.034 R)
• M5: 1,836,912 km (0.093 R)
• M6: 3,178,955 km (0.106 R)
• M7: 4,460,859 km (0.056 R)
• M8: 5,450,299 km (0.047 R)
• M9: 7,063,413 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.7

Radius: 13.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.64 AU - 2.62 AU

Year: 2039 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,684,748 km

• M1: 167,998 km (0.119 R)
• M2: 763,398 km (0.104 R)
• M3: 1,226,703 km (0.116 R)
• M4: 1,674,150 km (0.12 R)
• M5: 2,345,994 km (0.044 R)
• M6: 4,043,630 km (0.112 R)
• M7: 6,821,813 km (0.101 R)
• M8: 7,990,172 km (0.087 R)
• M9: 15,293,690 km (0.114 R)
• M10: 16,538,942 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.2

Radius: 12.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.98 AU - 2.84 AU

Year: 2454 Days

Day: 5 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,684,748 km

• M1: 150,495 km (0.097 R)
• M2: 560,543 km (0.112 R)
• M3: 1,081,293 km (0.059 R)
• M4: 2,388,480 km (0.108 R)
• M5: 3,026,664 km (0.108 R)
• M6: 3,430,578 km (0.11 R)
• M7: 4,184,851 km (0.095 R)
• M8: 4,623,472 km (0.076 R)
• M9: 5,092,760 km (0.076 R)
• M10: 5,544,695 km (0.057 R)
• M11: 6,667,427 km (0.12 R)
• M12: 7,416,464 km (0.083 R)
• M13: 7,873,635 km (0.119 R)
• M14: 8,447,044 km (0.086 R)
• M15: 8,878,334 km (0.105 R)
• M16: 9,570,673 km (0.053 R)
• M17: 10,524,360 km (0.05 R)
• M18: 12,492,320 km (0.103 R)
• M19: 14,981,030 km (0.109 R)
• M20: 15,515,842 km (0.115 R)
• M21: 16,520,841 km (0.113 R)
• M22: 18,273,380 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 8.8

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.34 AU - 3.18 AU

Year: 3008 Days

Day: 15 Hours

Environment

Temp: -208 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 17,684,748 km

• M1: 110,852 km (0.096 R)
• M2: 424,858 km (0.036 R)
• M3: 1,203,066 km (0.085 R)
• M4: 2,180,688 km (0.092 R)
• M5: 2,632,923 km (0.104 R)
• M6: 2,920,898 km (0.112 R)
• M7: 3,229,968 km (0.119 R)
• M8: 3,972,571 km (0.069 R)
• M9: 4,499,605 km (0.072 R)
• M10: 5,003,899 km (0.086 R)
• M11: 5,281,852 km (0.117 R)
• M12: 5,818,160 km (0.119 R)
• M13: 6,178,093 km (0.081 R)
• M14: 6,635,114 km (0.107 R)
• M15: 7,172,320 km (0.094 R)
• M16: 10,641,495 km (0.092 R)
• M17: 11,298,678 km (0.102 R)
• M18: 12,822,482 km (0.105 R)
• M19: 13,926,814 km (0.11 R)
• M20: 14,949,914 km (0.091 R)
• M21: 16,526,376 km (0.097 R)
• M22: 17,779,258 km (0.064 R)
• M23: 18,156,394 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.6

Radius: 3.6

Gravity: 20.65 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.93 AU - 7.21 AU

Year: 11047 Days

Day: 17.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 17,684,748 km

• M1: 45,328 km (0.082 R)
• M2: 178,769 km (0.116 R)
• M3: 505,790 km (0.077 R)
• M4: 901,477 km (0.095 R)
• M5: 1,328,728 km (0.12 R)
• M6: 1,939,237 km (0.058 R)
• M7: 2,385,039 km (0.048 R)
• M8: 3,805,321 km (0.06 R)
• M9: 4,636,188 km (0.113 R)
• M10: 5,183,267 km (0.104 R)
• M11: 6,971,261 km (0.064 R)
• M12: 8,002,888 km (0.076 R)
• M13: 9,219,717 km (0.058 R)
• M14: 9,621,237 km (0.063 R)
• M15: 10,846,444 km (0.103 R)
• M16: 11,243,327 km (0.117 R)
• M17: 13,374,498 km (0.09 R)
• M18: 17,454,332 km (0.09 R)
• M19: 18,067,982 km (0.033 R)
• M20: 19,050,840 km (0.048 R)
• M21: 20,142,904 km (0.117 R)
• M22: 22,530,786 km (0.117 R)
• M23: 23,013,688 km (0.033 R)
• M24: 25,969,442 km (0.089 R)
• M25: 27,128,826 km (0.111 R)
• M26: 27,492,349 km (0.104 R)
• M27: 28,229,118 km (0.045 R)
• M28: 28,790,260 km (0.076 R)
• M29: 29,073,598 km (0.114 R)
• M30: 30,812,973 km (0.061 R)
• M31: 32,010,354 km (0.07 R)
• M32: 35,787,850 km (0.037 R)

Asteroid Belt

Center: 7.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.4

Radius: 6.8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.69 AU - 8.05 AU

Year: 14483 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,684,748 km

• M1: 106,065 km (0.095 R)
• M2: 321,785 km (0.062 R)
• M3: 545,583 km (0.098 R)
• M4: 1,128,566 km (0.082 R)
• M5: 1,797,718 km (0.082 R)
• M6: 2,965,179 km (0.101 R)
• M7: 3,258,990 km (0.091 R)
• M8: 5,283,797 km (0.114 R)
• M9: 7,480,043 km (0.073 R)
• M10: 8,533,511 km (0.057 R)
• M11: 11,515,146 km (0.09 R)
• M12: 13,391,253 km (0.07 R)
• M13: 15,704,784 km (0.091 R)
• M14: 16,955,871 km (0.099 R)
• M15: 17,474,378 km (0.084 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 20,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit