🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 14.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.89 AU - 1.05 AU

Year: 617 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,669,589 km

• M1: 181,761 km (0.09 R)
• M2: 739,911 km (0.06 R)
• M3: 1,547,440 km (0.07 R)
• M4: 2,119,503 km (0.111 R)
• M5: 2,595,523 km (0.108 R)
• M6: 3,688,485 km (0.12 R)
• M7: 4,871,954 km (0.091 R)
• M8: 5,341,841 km (0.07 R)
• M9: 5,971,947 km (0.083 R)
• M10: 7,041,572 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.5

Radius: 9.2

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.96 AU - 1.02 AU

Year: 636 Days

Day: 12.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,669,589 km

• M1: 114,742 km (0.113 R)
• M2: 683,363 km (0.11 R)
• M3: 981,063 km (0.05 R)
• M4: 1,334,114 km (0.12 R)
• M5: 1,731,446 km (0.07 R)
• M6: 2,066,545 km (0.112 R)
• M7: 2,424,383 km (0.067 R)
• M8: 2,744,822 km (0.107 R)
• M9: 3,179,104 km (0.116 R)
• M10: 4,067,865 km (0.119 R)
• M11: 4,650,100 km (0.075 R)
• M12: 5,251,932 km (0.052 R)
• M13: 5,923,627 km (0.099 R)
• M14: 6,270,544 km (0.106 R)
• M15: 6,671,915 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 8.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.05 AU - 1.29 AU

Year: 817 Days

Day: 8.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,669,589 km

• M1: 108,159 km (0.077 R)
• M2: 641,326 km (0.118 R)
• M3: 1,075,908 km (0.104 R)
• M4: 1,540,260 km (0.098 R)
• M5: 1,884,484 km (0.088 R)
• M6: 2,432,611 km (0.085 R)
• M7: 3,115,974 km (0.095 R)
• M8: 3,883,262 km (0.106 R)
• M9: 4,470,732 km (0.114 R)
• M10: 5,255,373 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 11.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.02 AU - 1.52 AU

Year: 924 Days

Day: 8.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,669,589 km

• M1: 138,079 km (0.059 R)
• M2: 682,765 km (0.117 R)
• M3: 1,223,561 km (0.073 R)
• M4: 1,634,357 km (0.074 R)
• M5: 2,465,672 km (0.092 R)
• M6: 2,952,015 km (0.119 R)
• M7: 3,320,325 km (0.114 R)
• M8: 3,961,800 km (0.094 R)
• M9: 4,771,574 km (0.109 R)
• M10: 5,768,195 km (0.109 R)
• M11: 7,648,640 km (0.057 R)
• M12: 7,993,762 km (0.089 R)
• M13: 8,956,275 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.3

Radius: 14.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.18 AU - 1.82 AU

Year: 1186 Days

Day: 8.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,669,589 km

• M1: 185,202 km (0.102 R)
• M2: 1,181,674 km (0.114 R)
• M3: 2,293,335 km (0.104 R)
• M4: 3,000,784 km (0.07 R)
• M5: 3,740,096 km (0.11 R)
• M6: 4,646,360 km (0.094 R)
• M7: 5,843,442 km (0.074 R)
• M8: 7,324,611 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.6

Radius: 9.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.75 AU - 1.89 AU

Year: 1585 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,669,589 km

• M1: 118,482 km (0.095 R)
• M2: 460,163 km (0.077 R)
• M3: 1,408,913 km (0.106 R)
• M4: 1,722,171 km (0.083 R)
• M5: 2,092,425 km (0.081 R)
• M6: 2,435,753 km (0.109 R)
• M7: 2,829,195 km (0.119 R)
• M8: 3,609,348 km (0.096 R)
• M9: 4,106,761 km (0.096 R)
• M10: 4,720,262 km (0.12 R)
• M11: 5,181,322 km (0.076 R)
• M12: 5,815,168 km (0.08 R)
• M13: 6,389,475 km (0.057 R)
• M14: 6,884,943 km (0.096 R)
• M15: 8,606,814 km (0.098 R)
• M16: 8,905,711 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.1

Radius: 12.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.49 AU - 6.97 AU

Year: 8856 Days

Day: 7.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,669,589 km

• M1: 153,039 km (0.106 R)
• M2: 611,855 km (0.094 R)
• M3: 1,975,889 km (0.083 R)
• M4: 2,485,868 km (0.05 R)
• M5: 3,416,815 km (0.047 R)
• M6: 3,950,281 km (0.096 R)
• M7: 5,003,450 km (0.099 R)
• M8: 6,885,092 km (0.063 R)
• M9: 9,946,463 km (0.097 R)
• M10: 11,883,008 km (0.083 R)
• M11: 13,170,746 km (0.094 R)
• M12: 14,303,052 km (0.113 R)
• M13: 24,463,441 km (0.085 R)
• M14: 26,171,399 km (0.073 R)
• M15: 29,424,256 km (0.112 R)
• M16: 40,169,272 km (0.061 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 14,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit