🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.2

Radius: 12

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.03 AU - 1.05 AU

Year: 719 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,153,744 km

• M1: 149,299 km (0.099 R)
• M2: 553,512 km (0.091 R)
• M3: 1,111,662 km (0.053 R)
• M4: 1,713,494 km (0.04 R)
• M5: 2,100,803 km (0.069 R)
• M6: 3,384,053 km (0.038 R)
• M7: 6,195,895 km (0.106 R)
• M8: 6,638,106 km (0.102 R)
• M9: 7,078,971 km (0.066 R)
• M10: 7,633,680 km (0.099 R)
• M11: 8,242,244 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.9

Radius: 8.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.17 AU - 1.27 AU

Year: 914 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,153,744 km

• M1: 110,852 km (0.115 R)
• M2: 402,867 km (0.092 R)
• M3: 682,465 km (0.085 R)
• M4: 1,250,937 km (0.066 R)
• M5: 1,605,484 km (0.037 R)
• M6: 2,308,146 km (0.099 R)
• M7: 2,927,630 km (0.114 R)
• M8: 3,227,125 km (0.115 R)
• M9: 3,958,958 km (0.093 R)
• M10: 4,341,629 km (0.108 R)
• M11: 4,764,991 km (0.11 R)
• M12: 5,372,060 km (0.077 R)
• M13: 5,916,446 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.1

Radius: 14.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.49 AU - 2.12 AU

Year: 1638 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,153,744 km

• M1: 188,942 km (0.106 R)
• M2: 659,727 km (0.055 R)
• M3: 1,182,272 km (0.108 R)
• M4: 1,659,938 km (0.106 R)
• M5: 2,671,519 km (0.099 R)
• M6: 3,431,027 km (0.116 R)
• M7: 3,966,288 km (0.109 R)
• M8: 4,628,558 km (0.115 R)
• M9: 5,344,085 km (0.077 R)
• M10: 6,832,434 km (0.114 R)
• M11: 9,695,139 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.7

Radius: 8.6

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.74 AU - 2.76 AU

Year: 2289 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,153,744 km

• M1: 107,262 km (0.072 R)
• M2: 496,216 km (0.097 R)
• M3: 779,704 km (0.082 R)
• M4: 1,461,272 km (0.111 R)
• M5: 1,773,483 km (0.072 R)
• M6: 2,130,274 km (0.11 R)
• M7: 2,900,404 km (0.111 R)
• M8: 4,271,318 km (0.102 R)
• M9: 5,352,761 km (0.117 R)
• M10: 5,719,725 km (0.074 R)
• M11: 6,581,259 km (0.05 R)
• M12: 7,302,919 km (0.114 R)
• M13: 8,076,340 km (0.11 R)
• M14: 8,652,591 km (0.098 R)
• M15: 9,030,475 km (0.104 R)
• M16: 14,642,640 km (0.036 R)
• M17: 15,270,651 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 9.6

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.01 AU - 3.39 AU

Year: 3883 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,153,744 km

• M1: 119,678 km (0.117 R)
• M2: 441,314 km (0.088 R)
• M3: 865,723 km (0.106 R)
• M4: 1,888,374 km (0.076 R)
• M5: 2,209,411 km (0.101 R)
• M6: 2,710,863 km (0.109 R)
• M7: 3,015,444 km (0.094 R)
• M8: 3,324,214 km (0.102 R)
• M9: 3,816,990 km (0.112 R)
• M10: 4,201,307 km (0.109 R)
• M11: 4,802,391 km (0.07 R)
• M12: 5,646,422 km (0.09 R)
• M13: 7,046,658 km (0.091 R)
• M14: 7,727,029 km (0.112 R)
• M15: 8,629,404 km (0.065 R)
• M16: 9,484,804 km (0.096 R)
• M17: 11,191,118 km (0.06 R)
• M18: 13,140,827 km (0.108 R)
• M19: 14,271,786 km (0.079 R)
• M20: 14,938,993 km (0.095 R)
• M21: 15,466,325 km (0.093 R)
• M22: 15,842,863 km (0.091 R)
• M23: 17,994,529 km (0.042 R)
• M24: 18,895,109 km (0.109 R)
• M25: 19,762,477 km (0.114 R)
• M26: 20,078,577 km (0.115 R)
• M27: 22,318,656 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554

Radius: 14

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.02 AU - 4.18 AU

Year: 5631 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,153,744 km

• M1: 179,218 km (0.067 R)
• M2: 619,335 km (0.077 R)
• M3: 1,574,966 km (0.106 R)
• M4: 2,111,873 km (0.1 R)
• M5: 3,297,586 km (0.092 R)
• M6: 4,656,383 km (0.109 R)
• M7: 6,878,959 km (0.03 R)
• M8: 11,760,188 km (0.101 R)
• M9: 14,709,061 km (0.108 R)
• M10: 17,052,362 km (0.114 R)
• M11: 20,043,572 km (0.108 R)
• M12: 24,449,977 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 9.7

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.91 AU - 6.15 AU

Year: 7651 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,153,744 km

• M1: 120,725 km (0.047 R)
• M2: 459,265 km (0.113 R)
• M3: 766,240 km (0.09 R)
• M4: 1,998,478 km (0.076 R)
• M5: 2,388,779 km (0.039 R)
• M6: 2,932,567 km (0.117 R)
• M7: 3,416,217 km (0.114 R)
• M8: 4,376,635 km (0.087 R)
• M9: 5,100,539 km (0.05 R)
• M10: 5,802,004 km (0.032 R)
• M11: 6,210,855 km (0.103 R)
• M12: 6,897,659 km (0.086 R)
• M13: 8,682,212 km (0.067 R)
• M14: 11,216,998 km (0.114 R)
• M15: 11,961,247 km (0.119 R)
• M16: 12,681,411 km (0.108 R)
• M17: 13,138,882 km (0.063 R)
• M18: 14,392,063 km (0.101 R)
• M19: 15,334,829 km (0.09 R)
• M20: 16,996,712 km (0.11 R)
• M21: 17,623,527 km (0.058 R)
• M22: 20,207,980 km (0.085 R)
• M23: 21,793,119 km (0.086 R)
• M24: 23,035,230 km (0.108 R)
• M25: 24,499,344 km (0.104 R)
• M26: 28,090,740 km (0.11 R)
• M27: 29,163,955 km (0.106 R)
• M28: 30,162,970 km (0.09 R)
• M29: 38,872,857 km (0.096 R)
• M30: 41,317,137 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.4

Radius: 5

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.07 AU - 7.47 AU

Year: 11947 Days

Day: 15.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,153,744 km

• M1: 62,233 km (0.111 R)
• M2: 265,387 km (0.094 R)
• M3: 468,989 km (0.08 R)
• M4: 1,110,166 km (0.071 R)
• M5: 1,897,948 km (0.102 R)
• M6: 2,109,031 km (0.034 R)
• M7: 2,335,522 km (0.074 R)
• M8: 4,432,286 km (0.086 R)
• M9: 5,105,775 km (0.12 R)
• M10: 9,337,002 km (0.09 R)
• M11: 9,948,857 km (0.095 R)
• M12: 13,650,507 km (0.069 R)
• M13: 14,937,048 km (0.108 R)
• M14: 18,321,401 km (0.026 R)
• M15: 19,129,080 km (0.052 R)
• M16: 22,431,303 km (0.094 R)
• M17: 22,680,832 km (0.116 R)
• M18: 23,185,276 km (0.115 R)
• M19: 25,188,691 km (0.112 R)
• M20: 31,885,889 km (0.093 R)
• M21: 37,652,288 km (0.055 R)
• M22: 39,315,667 km (0.112 R)
• M23: 41,901,765 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 15,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit