🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.1

Radius: 14.9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.97 AU - 1.61 AU

Year: 946 Days

Day: 13.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,069,105 km

• M1: 185,501 km (0.09 R)
• M2: 699,071 km (0.111 R)
• M3: 1,191,996 km (0.049 R)
• M4: 1,779,616 km (0.043 R)
• M5: 2,494,544 km (0.088 R)
• M6: 3,437,310 km (0.102 R)
• M7: 3,909,292 km (0.118 R)
• M8: 5,183,716 km (0.092 R)
• M9: 5,691,301 km (0.118 R)
• M10: 6,547,450 km (0.078 R)
• M11: 7,869,446 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 13.2

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.62 AU - 2.24 AU

Year: 1731 Days

Day: 10.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,069,105 km

• M1: 164,258 km (0.089 R)
• M2: 602,131 km (0.075 R)
• M3: 3,048,057 km (0.063 R)
• M4: 7,181,895 km (0.11 R)
• M5: 10,211,551 km (0.096 R)
• M6: 10,662,887 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 8.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.1 AU - 4.3 AU

Year: 4595 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,069,105 km

• M1: 106,514 km (0.058 R)
• M2: 681,867 km (0.066 R)
• M3: 1,044,492 km (0.088 R)
• M4: 2,154,658 km (0.095 R)
• M5: 3,283,075 km (0.114 R)
• M6: 4,458,465 km (0.037 R)
• M7: 4,967,397 km (0.035 R)
• M8: 5,918,541 km (0.104 R)
• M9: 6,871,030 km (0.068 R)
• M10: 7,249,662 km (0.092 R)
• M11: 9,604,931 km (0.025 R)
• M12: 10,721,829 km (0.079 R)
• M13: 15,022,020 km (0.095 R)
• M14: 16,992,074 km (0.113 R)
• M15: 19,014,787 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 13.9

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.63 AU - 5.15 AU

Year: 5939 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,069,105 km

• M1: 172,935 km (0.032 R)
• M2: 645,814 km (0.094 R)
• M3: 1,136,645 km (0.113 R)
• M4: 2,134,612 km (0.108 R)
• M5: 3,267,217 km (0.053 R)
• M6: 3,746,978 km (0.057 R)
• M7: 4,199,212 km (0.118 R)
• M8: 4,768,731 km (0.118 R)
• M9: 9,469,545 km (0.09 R)
• M10: 11,904,251 km (0.04 R)
• M11: 12,572,953 km (0.098 R)
• M12: 13,158,330 km (0.118 R)
• M13: 13,650,656 km (0.098 R)
• M14: 14,269,243 km (0.081 R)
• M15: 17,189,843 km (0.084 R)
• M16: 19,345,548 km (0.096 R)
• M17: 21,150,745 km (0.056 R)
• M18: 23,145,035 km (0.047 R)
• M19: 26,023,597 km (0.082 R)
• M20: 27,682,488 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.4

Radius: 7

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.27 AU - 7.95 AU

Year: 10973 Days

Day: 21.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,069,105 km

• M1: 87,066 km (0.12 R)
• M2: 665,561 km (0.042 R)
• M3: 1,436,738 km (0.088 R)
• M4: 2,448,917 km (0.071 R)
• M5: 3,432,374 km (0.064 R)
• M6: 5,383,429 km (0.077 R)
• M7: 6,575,275 km (0.041 R)
• M8: 9,377,094 km (0.052 R)
• M9: 10,234,140 km (0.11 R)
• M10: 11,351,337 km (0.087 R)
• M11: 15,901,954 km (0.106 R)
• M12: 21,296,603 km (0.075 R)
• M13: 22,771,937 km (0.118 R)
• M14: 27,510,151 km (0.036 R)
• M15: 33,839,786 km (0.085 R)
• M16: 37,340,377 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.5

Radius: 5.2

Gravity: 23.69 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.45 AU - 7.41 AU

Year: 11779 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 58.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,069,105 km

• M1: 65,973 km (0.08 R)
• M2: 330,312 km (0.069 R)
• M3: 590,912 km (0.032 R)
• M4: 841,937 km (0.063 R)
• M5: 1,474,437 km (0.109 R)
• M6: 2,341,955 km (0.118 R)
• M7: 3,067,654 km (0.098 R)
• M8: 3,558,933 km (0.113 R)
• M9: 3,742,789 km (0.115 R)
• M10: 3,905,552 km (0.041 R)
• M11: 4,187,095 km (0.111 R)
• M12: 5,080,942 km (0.096 R)
• M13: 5,731,394 km (0.11 R)
• M14: 6,021,464 km (0.1 R)
• M15: 8,424,155 km (0.095 R)
• M16: 10,625,488 km (0.078 R)
• M17: 10,952,659 km (0.109 R)
• M18: 13,058,398 km (0.101 R)
• M19: 13,816,411 km (0.12 R)
• M20: 15,075,875 km (0.087 R)
• M21: 17,068,519 km (0.039 R)
• M22: 26,102,285 km (0.101 R)
• M23: 30,462,465 km (0.117 R)
• M24: 31,904,439 km (0.075 R)
• M25: 35,163,578 km (0.097 R)
• M26: 38,637,988 km (0.091 R)
• M27: 41,927,496 km (0.118 R)
• M28: 50,880,929 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.7

Radius: 7.3

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.77 AU - 11.75 AU

Year: 19687 Days

Day: 15.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,069,105 km

• M1: 353,649 km (0.114 R)
• M2: 899,831 km (0.049 R)
• M3: 1,957,488 km (0.043 R)
• M4: 2,700,990 km (0.053 R)
• M5: 5,853,615 km (0.079 R)
• M6: 6,826,300 km (0.077 R)
• M7: 7,234,852 km (0.057 R)
• M8: 9,142,225 km (0.119 R)
• M9: 15,100,259 km (0.109 R)
• M10: 15,794,094 km (0.076 R)
• M11: 18,783,060 km (0.1 R)
• M12: 22,227,551 km (0.113 R)
• M13: 25,204,997 km (0.079 R)
• M14: 25,961,663 km (0.094 R)
• M15: 28,904,852 km (0.098 R)
• M16: 31,812,436 km (0.084 R)
• M17: 40,360,907 km (0.109 R)
• M18: 42,448,695 km (0.108 R)
• M19: 58,173,974 km (0.082 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 14,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit