🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867

Radius: 9.8

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.78 AU - 1.1 AU

Year: 608 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,602,799 km

• M1: 122,969 km (0.077 R)
• M2: 490,083 km (0.111 R)
• M3: 831,615 km (0.083 R)
• M4: 1,144,424 km (0.106 R)
• M5: 1,507,947 km (0.111 R)
• M6: 2,249,653 km (0.116 R)
• M7: 2,570,989 km (0.03 R)
• M8: 2,934,961 km (0.095 R)
• M9: 3,491,764 km (0.08 R)
• M10: 3,838,681 km (0.104 R)
• M11: 4,285,530 km (0.118 R)
• M12: 4,602,378 km (0.062 R)
• M13: 5,089,768 km (0.025 R)
• M14: 6,227,909 km (0.103 R)
• M15: 7,018,085 km (0.119 R)
• M16: 7,757,098 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 14.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.88 AU - 1.22 AU

Year: 717 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,602,799 km

• M1: 180,864 km (0.096 R)
• M2: 810,521 km (0.111 R)
• M3: 1,335,311 km (0.12 R)
• M4: 2,176,200 km (0.081 R)
• M5: 3,061,371 km (0.107 R)
• M6: 3,561,327 km (0.105 R)
• M7: 4,267,130 km (0.053 R)
• M8: 4,844,129 km (0.042 R)
• M9: 5,902,833 km (0.086 R)
• M10: 7,220,341 km (0.119 R)
• M11: 7,855,235 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 14.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.2 AU - 1.62 AU

Year: 1116 Days

Day: 7.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,602,799 km

• M1: 176,525 km (0.058 R)
• M2: 645,365 km (0.119 R)
• M3: 1,137,243 km (0.088 R)
• M4: 1,741,469 km (0.066 R)
• M5: 2,812,739 km (0.083 R)
• M6: 3,323,317 km (0.092 R)
• M7: 3,987,382 km (0.092 R)
• M8: 4,467,142 km (0.044 R)
• M9: 5,819,208 km (0.05 R)
• M10: 6,699,890 km (0.091 R)
• M11: 7,335,083 km (0.118 R)
• M12: 8,491,923 km (0.079 R)
• M13: 9,236,921 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.9

Radius: 12.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.13 AU - 1.83 AU

Year: 1201 Days

Day: 11.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,602,799 km

• M1: 151,692 km (0.114 R)
• M2: 665,262 km (0.098 R)
• M3: 1,045,540 km (0.048 R)
• M4: 1,651,411 km (0.076 R)
• M5: 2,301,563 km (0.089 R)
• M6: 2,753,798 km (0.102 R)
• M7: 3,387,345 km (0.104 R)
• M8: 4,314,103 km (0.079 R)
• M9: 4,947,052 km (0.1 R)
• M10: 5,663,027 km (0.066 R)
• M11: 7,514,002 km (0.059 R)
• M12: 8,089,954 km (0.085 R)
• M13: 8,577,643 km (0.088 R)
• M14: 9,024,192 km (0.105 R)
• M15: 10,727,813 km (0.093 R)
• M16: 12,001,190 km (0.116 R)
• M17: 13,020,699 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 12.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.78 AU - 3.4 AU

Year: 3622 Days

Day: 14.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,602,799 km

• M1: 157,975 km (0.082 R)
• M2: 591,510 km (0.098 R)
• M3: 1,039,705 km (0.089 R)
• M4: 1,442,123 km (0.084 R)
• M5: 2,120,400 km (0.116 R)
• M6: 3,268,265 km (0.046 R)
• M7: 4,075,196 km (0.119 R)
• M8: 4,841,585 km (0.1 R)
• M9: 5,836,711 km (0.116 R)
• M10: 6,455,597 km (0.104 R)
• M11: 8,864,871 km (0.069 R)
• M12: 9,380,534 km (0.095 R)
• M13: 10,112,367 km (0.117 R)
• M14: 10,923,487 km (0.096 R)
• M15: 12,401,364 km (0.104 R)
• M16: 15,433,564 km (0.067 R)
• M17: 15,965,085 km (0.054 R)
• M18: 16,508,873 km (0.118 R)
• M19: 18,929,067 km (0.053 R)
• M20: 19,785,814 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.1

Radius: 14.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.72 AU - 3.76 AU

Year: 3889 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,602,799 km

• M1: 175,478 km (0.109 R)
• M2: 750,533 km (0.103 R)
• M3: 1,633,758 km (0.066 R)
• M4: 2,379,504 km (0.092 R)
• M5: 3,240,589 km (0.11 R)
• M6: 5,860,197 km (0.034 R)
• M7: 6,392,018 km (0.036 R)
• M8: 6,869,235 km (0.071 R)
• M9: 7,400,607 km (0.115 R)
• M10: 8,512,867 km (0.112 R)
• M11: 9,022,397 km (0.114 R)
• M12: 10,065,842 km (0.114 R)
• M13: 10,520,470 km (0.094 R)
• M14: 11,430,474 km (0.082 R)
• M15: 12,435,323 km (0.105 R)
• M16: 16,213,417 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.7

Radius: 12

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.98 AU - 4.26 AU

Year: 4593 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,602,799 km

• M1: 149,299 km (0.091 R)
• M2: 605,722 km (0.104 R)
• M3: 1,172,099 km (0.111 R)
• M4: 1,605,634 km (0.07 R)
• M5: 2,027,051 km (0.072 R)
• M6: 2,662,842 km (0.108 R)
• M7: 3,428,035 km (0.042 R)
• M8: 4,030,017 km (0.048 R)
• M9: 6,154,456 km (0.076 R)
• M10: 6,590,235 km (0.042 R)
• M11: 7,298,431 km (0.095 R)
• M12: 8,159,367 km (0.06 R)
• M13: 8,614,593 km (0.114 R)
• M14: 10,898,354 km (0.071 R)
• M15: 11,845,010 km (0.083 R)
• M16: 12,659,570 km (0.068 R)
• M17: 13,128,111 km (0.059 R)
• M18: 15,700,297 km (0.105 R)
• M19: 18,057,211 km (0.103 R)
• M20: 21,225,395 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 18,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit