🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 8.7

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.68 AU - 0.7 AU

Year: 376 Days

Day: 14.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,435,320 km

• M1: 108,758 km (0.111 R)
• M2: 423,212 km (0.119 R)
• M3: 853,605 km (0.119 R)
• M4: 1,350,719 km (0.079 R)
• M5: 1,631,066 km (0.117 R)
• M6: 2,383,842 km (0.1 R)
• M7: 3,039,081 km (0.113 R)
• M8: 3,374,479 km (0.087 R)
• M9: 3,734,412 km (0.077 R)
• M10: 4,186,646 km (0.118 R)
• M11: 4,631,700 km (0.117 R)
• M12: 5,294,867 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.2

Radius: 9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.62 AU - 0.86 AU

Year: 418 Days

Day: 10.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,435,320 km

• M1: 112,348 km (0.115 R)
• M2: 435,330 km (0.028 R)
• M3: 766,539 km (0.081 R)
• M4: 1,050,327 km (0.073 R)
• M5: 1,486,554 km (0.043 R)
• M6: 1,897,200 km (0.029 R)
• M7: 2,415,407 km (0.09 R)
• M8: 2,929,426 km (0.118 R)
• M9: 3,408,737 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 13.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.44 AU - 2.36 AU

Year: 1718 Days

Day: 5.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,435,320 km

• M1: 166,652 km (0.108 R)
• M2: 611,107 km (0.113 R)
• M3: 1,169,556 km (0.082 R)
• M4: 1,637,498 km (0.118 R)
• M5: 2,601,806 km (0.094 R)
• M6: 4,061,133 km (0.027 R)
• M7: 5,406,018 km (0.114 R)
• M8: 6,132,316 km (0.104 R)
• M9: 7,110,387 km (0.084 R)
• M10: 7,751,414 km (0.089 R)
• M11: 9,053,364 km (0.066 R)
• M12: 9,606,726 km (0.062 R)
• M13: 11,254,697 km (0.101 R)
• M14: 12,400,766 km (0.079 R)
• M15: 12,921,067 km (0.053 R)
• M16: 14,569,935 km (0.12 R)
• M17: 15,376,567 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912

Radius: 9.5

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.92 AU - 2.4 AU

Year: 2083 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,435,320 km

• M1: 118,182 km (0.085 R)
• M2: 434,283 km (0.036 R)
• M3: 822,639 km (0.05 R)
• M4: 1,278,763 km (0.11 R)
• M5: 1,612,515 km (0.06 R)
• M6: 2,017,178 km (0.091 R)
• M7: 2,531,495 km (0.077 R)
• M8: 3,635,976 km (0.047 R)
• M9: 4,114,241 km (0.099 R)
• M10: 4,677,477 km (0.045 R)
• M11: 5,173,543 km (0.111 R)
• M12: 5,830,128 km (0.1 R)
• M13: 7,046,509 km (0.102 R)
• M14: 8,262,889 km (0.117 R)
• M15: 9,649,661 km (0.087 R)
• M16: 10,230,849 km (0.099 R)
• M17: 10,758,331 km (0.113 R)
• M18: 11,067,849 km (0.11 R)
• M19: 12,115,184 km (0.038 R)
• M20: 12,577,591 km (0.084 R)
• M21: 14,036,020 km (0.108 R)
• M22: 15,117,014 km (0.112 R)
• M23: 16,051,104 km (0.109 R)
• M24: 17,075,400 km (0.108 R)
• M25: 18,526,500 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 9.3

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.79 AU - 2.53 AU

Year: 2083 Days

Day: 8.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,435,320 km

• M1: 117,434 km (0.096 R)
• M2: 556,205 km (0.087 R)
• M3: 969,245 km (0.084 R)
• M4: 1,336,358 km (0.085 R)
• M5: 1,764,357 km (0.095 R)
• M6: 3,096,377 km (0.094 R)
• M7: 3,435,066 km (0.047 R)
• M8: 4,225,691 km (0.09 R)
• M9: 4,623,322 km (0.112 R)
• M10: 5,243,854 km (0.119 R)
• M11: 9,812,573 km (0.12 R)
• M12: 12,565,024 km (0.105 R)
• M13: 13,138,283 km (0.118 R)
• M14: 13,600,840 km (0.113 R)
• M15: 15,513,898 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.1

Radius: 8.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.46 AU - 4.02 AU

Year: 4745 Days

Day: 6.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,435,320 km

• M1: 108,159 km (0.102 R)
• M2: 386,561 km (0.08 R)
• M3: 784,042 km (0.11 R)
• M4: 1,241,962 km (0.112 R)
• M5: 2,415,856 km (0.084 R)
• M6: 2,922,245 km (0.079 R)
• M7: 3,896,875 km (0.099 R)
• M8: 4,808,225 km (0.116 R)
• M9: 5,538,412 km (0.12 R)
• M10: 6,030,889 km (0.102 R)
• M11: 6,796,830 km (0.091 R)
• M12: 8,425,502 km (0.096 R)
• M13: 9,762,757 km (0.069 R)
• M14: 10,742,025 km (0.113 R)
• M15: 11,745,527 km (0.073 R)
• M16: 12,476,014 km (0.097 R)
• M17: 12,810,215 km (0.104 R)
• M18: 14,207,459 km (0.098 R)
• M19: 15,751,908 km (0.093 R)
• M20: 16,740,750 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 8.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.89 AU - 5.03 AU

Year: 7247 Days

Day: 8.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,435,320 km

• M1: 110,254 km (0.081 R)
• M2: 384,766 km (0.098 R)
• M3: 862,133 km (0.116 R)
• M4: 3,324,364 km (0.074 R)
• M5: 3,628,646 km (0.077 R)
• M6: 4,247,084 km (0.106 R)
• M7: 6,311,833 km (0.081 R)
• M8: 6,974,851 km (0.095 R)
• M9: 8,073,199 km (0.056 R)
• M10: 8,588,414 km (0.039 R)
• M11: 19,568,748 km (0.09 R)
• M12: 21,806,882 km (0.094 R)
• M13: 23,984,727 km (0.066 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 19,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit