🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 10.9

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.7 AU - 0.76 AU

Year: 438 Days

Day: 8.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,376,671 km

• M1: 135,536 km (0.087 R)
• M2: 490,382 km (0.108 R)
• M3: 863,180 km (0.108 R)
• M4: 1,355,207 km (0.112 R)
• M5: 1,863,092 km (0.105 R)
• M6: 2,358,261 km (0.093 R)
• M7: 3,512,857 km (0.092 R)
• M8: 3,976,311 km (0.035 R)
• M9: 4,346,865 km (0.112 R)
• M10: 4,834,704 km (0.114 R)
• M11: 5,291,277 km (0.044 R)
• M12: 6,291,189 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560

Radius: 8.5

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.12 AU - 1.2 AU

Year: 878 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,376,671 km

• M1: 105,766 km (0.115 R)
• M2: 371,452 km (0.059 R)
• M3: 699,968 km (0.117 R)
• M4: 1,008,290 km (0.083 R)
• M5: 1,386,323 km (0.095 R)
• M6: 2,121,148 km (0.111 R)
• M7: 2,508,457 km (0.081 R)
• M8: 2,992,556 km (0.089 R)
• M9: 3,440,003 km (0.08 R)
• M10: 3,723,491 km (0.118 R)
• M11: 4,704,105 km (0.112 R)
• M12: 5,036,512 km (0.104 R)
• M13: 5,460,023 km (0.07 R)
• M14: 6,068,138 km (0.053 R)
• M15: 6,336,367 km (0.073 R)
• M16: 6,808,349 km (0.086 R)
• M17: 7,280,480 km (0.064 R)
• M18: 7,992,715 km (0.071 R)
• M19: 8,290,265 km (0.115 R)
• M20: 8,646,907 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958

Radius: 11.3

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.46 AU - 1.55 AU

Year: 1291 Days

Day: 10.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,376,671 km

• M1: 143,913 km (0.061 R)
• M2: 536,608 km (0.098 R)
• M3: 1,067,830 km (0.083 R)
• M4: 1,434,195 km (0.071 R)
• M5: 2,169,917 km (0.107 R)
• M6: 3,293,397 km (0.06 R)
• M7: 4,690,791 km (0.091 R)
• M8: 5,241,909 km (0.116 R)
• M9: 5,677,688 km (0.078 R)
• M10: 6,523,365 km (0.111 R)
• M11: 7,505,026 km (0.06 R)
• M12: 9,955,888 km (0.063 R)
• M13: 10,798,722 km (0.073 R)
• M14: 12,626,210 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 9.1

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.28 AU - 1.84 AU

Year: 1370 Days

Day: 9.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,376,671 km

• M1: 113,246 km (0.061 R)
• M2: 497,413 km (0.069 R)
• M3: 807,679 km (0.112 R)
• M4: 1,288,187 km (0.111 R)
• M5: 1,642,585 km (0.06 R)
• M6: 2,051,735 km (0.078 R)
• M7: 2,376,512 km (0.12 R)
• M8: 2,837,722 km (0.102 R)
• M9: 5,225,753 km (0.054 R)
• M10: 5,921,981 km (0.101 R)
• M11: 6,270,544 km (0.06 R)
• M12: 7,153,321 km (0.077 R)
• M13: 7,498,593 km (0.107 R)
• M14: 8,465,295 km (0.112 R)
• M15: 9,106,920 km (0.118 R)
• M16: 9,572,020 km (0.103 R)
• M17: 10,083,345 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 10.1

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.74 AU - 3.48 AU

Year: 3855 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,376,671 km

• M1: 125,662 km (0.083 R)
• M2: 469,139 km (0.111 R)
• M3: 817,552 km (0.1 R)
• M4: 1,659,040 km (0.098 R)
• M5: 2,120,251 km (0.08 R)
• M6: 3,092,338 km (0.113 R)
• M7: 3,461,994 km (0.096 R)
• M8: 4,529,674 km (0.069 R)
• M9: 5,327,928 km (0.104 R)
• M10: 6,649,925 km (0.117 R)
• M11: 7,370,537 km (0.113 R)
• M12: 8,034,004 km (0.031 R)
• M13: 13,534,269 km (0.099 R)
• M14: 16,429,736 km (0.113 R)
• M15: 16,900,071 km (0.073 R)
• M16: 17,806,036 km (0.1 R)
• M17: 19,128,332 km (0.109 R)
• M18: 23,934,463 km (0.037 R)
• M19: 24,386,996 km (0.081 R)
• M20: 26,254,576 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 9

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.67 AU - 5.09 AU

Year: 6443 Days

Day: 6.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 88.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 32,376,671 km

• M1: 112,797 km (0.094 R)
• M2: 651,798 km (0.118 R)
• M3: 995,275 km (0.071 R)
• M4: 1,369,569 km (0.072 R)
• M5: 1,878,351 km (0.068 R)
• M6: 2,391,771 km (0.099 R)
• M7: 2,882,452 km (0.084 R)
• M8: 3,481,442 km (0.081 R)
• M9: 3,765,827 km (0.098 R)
• M10: 5,007,938 km (0.074 R)
• M11: 5,842,994 km (0.119 R)
• M12: 7,389,686 km (0.053 R)
• M13: 7,787,916 km (0.097 R)
• M14: 8,124,212 km (0.119 R)
• M15: 9,997,775 km (0.078 R)
• M16: 11,128,735 km (0.063 R)
• M17: 12,142,859 km (0.107 R)
• M18: 12,904,163 km (0.112 R)
• M19: 13,482,358 km (0.048 R)
• M20: 14,243,064 km (0.111 R)
• M21: 15,089,638 km (0.118 R)
• M22: 16,574,397 km (0.1 R)
• M23: 17,069,566 km (0.07 R)
• M24: 18,746,857 km (0.111 R)
• M25: 19,763,076 km (0.087 R)
• M26: 20,319,879 km (0.12 R)
• M27: 21,392,047 km (0.102 R)
• M28: 22,426,366 km (0.09 R)
• M29: 30,434,191 km (0.093 R)
• M30: 31,176,645 km (0.039 R)
• M31: 31,552,435 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.4

Radius: 10.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.18 AU - 5.32 AU

Year: 7277 Days

Day: 11.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,376,671 km

• M1: 128,654 km (0.119 R)
• M2: 1,179,579 km (0.119 R)
• M3: 1,761,814 km (0.067 R)
• M4: 3,118,368 km (0.039 R)
• M5: 6,804,010 km (0.077 R)
• M6: 11,161,048 km (0.031 R)
• M7: 11,722,040 km (0.118 R)
• M8: 16,367,204 km (0.05 R)
• M9: 19,459,990 km (0.092 R)
• M10: 24,291,403 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 14.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.01 AU - 5.81 AU

Year: 7648 Days

Day: 6.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,376,671 km

• M1: 184,005 km (0.092 R)
• M2: 685,757 km (0.102 R)
• M3: 1,149,959 km (0.097 R)
• M4: 1,808,638 km (0.062 R)
• M5: 2,988,217 km (0.101 R)
• M6: 3,549,209 km (0.116 R)
• M7: 4,660,722 km (0.119 R)
• M8: 7,224,530 km (0.089 R)
• M9: 7,722,840 km (0.043 R)
• M10: 9,268,336 km (0.115 R)
• M11: 9,857,752 km (0.067 R)
• M12: 10,764,165 km (0.077 R)
• M13: 11,263,224 km (0.071 R)
• M14: 11,830,050 km (0.097 R)
• M15: 14,955,299 km (0.119 R)
• M16: 16,741,498 km (0.104 R)
• M17: 18,382,586 km (0.055 R)
• M18: 19,461,337 km (0.088 R)
• M19: 21,042,137 km (0.108 R)
• M20: 21,587,571 km (0.025 R)
• M21: 24,629,345 km (0.075 R)
• M22: 25,498,209 km (0.081 R)
• M23: 26,029,282 km (0.09 R)
• M24: 26,658,191 km (0.093 R)
• M25: 37,124,956 km (0.113 R)

Asteroid Belt

Center: 6.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.9

Radius: 8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.09 AU - 9.53 AU

Year: 16839 Days

Day: 23 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,376,671 km

• M1: 100,231 km (0.104 R)
• M2: 771,476 km (0.103 R)
• M3: 4,057,543 km (0.106 R)
• M4: 5,441,772 km (0.106 R)
• M5: 6,111,821 km (0.109 R)
• M6: 7,280,031 km (0.05 R)
• M7: 10,895,063 km (0.099 R)
• M8: 16,900,819 km (0.077 R)
• M9: 17,713,585 km (0.109 R)
• M10: 18,942,082 km (0.105 R)
• M11: 44,623,998 km (0.106 R)
• M12: 47,468,152 km (0.097 R)
• M13: 50,430,938 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.4

Radius: 5.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.04 AU - 9.78 AU

Year: 18695 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,376,671 km

• M1: 69,713 km (0.057 R)
• M2: 1,069,774 km (0.106 R)
• M3: 2,821,715 km (0.109 R)
• M4: 3,033,246 km (0.12 R)
• M5: 5,533,176 km (0.053 R)
• M6: 10,228,006 km (0.084 R)
• M7: 10,821,760 km (0.107 R)
• M8: 13,267,686 km (0.109 R)
• M9: 15,697,753 km (0.09 R)
• M10: 18,342,793 km (0.093 R)
• M11: 24,656,871 km (0.083 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 18,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit