🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.8

Radius: 14.5

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.79 AU - 1.21 AU

Year: 646 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,654,789 km

• M1: 180,415 km (0.077 R)
• M2: 781,798 km (0.114 R)
• M3: 1,275,621 km (0.107 R)
• M4: 1,810,583 km (0.077 R)
• M5: 2,648,481 km (0.101 R)
• M6: 3,221,590 km (0.064 R)
• M7: 3,747,726 km (0.103 R)
• M8: 5,062,093 km (0.059 R)
• M9: 5,913,155 km (0.045 R)
• M10: 7,231,411 km (0.049 R)
• M11: 7,735,407 km (0.088 R)
• M12: 8,535,606 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.4

Radius: 8.7

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.86 AU - 1.3 AU

Year: 725 Days

Day: 12.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 174.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 8,654,789 km

• M1: 111,750 km (0.105 R)
• M2: 439,967 km (0.066 R)
• M3: 813,962 km (0.119 R)
• M4: 1,439,880 km (0.105 R)
• M5: 2,160,492 km (0.09 R)
• M6: 2,479,884 km (0.074 R)
• M7: 2,819,172 km (0.084 R)
• M8: 4,146,404 km (0.111 R)
• M9: 4,420,916 km (0.042 R)
• M10: 6,136,056 km (0.112 R)
• M11: 6,574,976 km (0.079 R)
• M12: 6,886,140 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 13

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.06 AU - 1.54 AU

Year: 957 Days

Day: 11.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,654,789 km

• M1: 162,314 km (0.088 R)
• M2: 639,082 km (0.08 R)
• M3: 1,057,807 km (0.089 R)
• M4: 1,462,020 km (0.053 R)
• M5: 2,023,910 km (0.117 R)
• M6: 2,612,278 km (0.105 R)
• M7: 3,616,529 km (0.076 R)
• M8: 4,150,294 km (0.084 R)
• M9: 4,960,067 km (0.062 R)
• M10: 5,446,260 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.3

Radius: 12

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.17 AU - 1.69 AU

Year: 1104 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 8,654,789 km

• M1: 149,299 km (0.096 R)
• M2: 580,889 km (0.096 R)
• M3: 957,277 km (0.103 R)
• M4: 1,350,869 km (0.099 R)
• M5: 1,835,566 km (0.091 R)
• M6: 2,317,271 km (0.032 R)
• M7: 2,910,277 km (0.094 R)
• M8: 3,747,127 km (0.057 R)
• M9: 4,512,171 km (0.097 R)
• M10: 5,051,322 km (0.04 R)
• M11: 5,654,650 km (0.077 R)
• M12: 6,282,512 km (0.111 R)
• M13: 6,956,301 km (0.085 R)
• M14: 7,947,088 km (0.113 R)
• M15: 8,562,533 km (0.07 R)
• M16: 10,015,727 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.6

Radius: 11

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.44 AU - 1.62 AU

Year: 1222 Days

Day: 6 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 8,654,789 km

• M1: 136,732 km (0.088 R)
• M2: 487,839 km (0.115 R)
• M3: 991,684 km (0.1 R)
• M4: 1,384,977 km (0.038 R)
• M5: 1,745,957 km (0.105 R)
• M6: 2,238,433 km (0.111 R)
• M7: 2,768,757 km (0.08 R)
• M8: 3,158,161 km (0.069 R)
• M9: 3,631,937 km (0.077 R)
• M10: 4,459,363 km (0.059 R)
• M11: 4,918,030 km (0.035 R)
• M12: 5,908,069 km (0.096 R)
• M13: 6,777,083 km (0.101 R)
• M14: 7,332,988 km (0.047 R)
• M15: 8,139,770 km (0.102 R)
• M16: 9,866,428 km (0.103 R)
• M17: 10,581,207 km (0.105 R)
• M18: 11,400,106 km (0.119 R)
• M19: 11,825,113 km (0.058 R)
• M20: 12,260,593 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 15

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.97 AU - 2.05 AU

Year: 1840 Days

Day: 6.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 126.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 8,654,789 km

• M1: 201,957 km (0.079 R)
• M2: 996,172 km (0.054 R)
• M3: 1,497,774 km (0.052 R)
• M4: 2,089,882 km (0.065 R)
• M5: 3,078,126 km (0.076 R)
• M6: 3,550,107 km (0.102 R)
• M7: 4,360,180 km (0.108 R)
• M8: 5,473,786 km (0.11 R)
• M9: 6,716,196 km (0.081 R)
• M10: 7,576,384 km (0.096 R)
• M11: 8,666,653 km (0.101 R)
• M12: 11,732,363 km (0.063 R)
• M13: 13,616,697 km (0.098 R)
• M14: 15,273,195 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.1

Radius: 14.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.39 AU - 2.43 AU

Year: 2416 Days

Day: 12.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 8,654,789 km

• M1: 176,525 km (0.113 R)
• M2: 1,155,793 km (0.064 R)
• M3: 4,699,019 km (0.036 R)
• M4: 6,864,897 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 14,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit