🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212

Radius: 13.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.42 AU - 0.68 AU

Year: 272 Days

Day: 8.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,254,205 km

• M1: 172,935 km (0.115 R)
• M2: 705,803 km (0.109 R)
• M3: 1,351,018 km (0.112 R)
• M4: 1,802,654 km (0.059 R)
• M5: 2,328,790 km (0.066 R)
• M6: 2,883,050 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.4

Radius: 13.7

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.62 AU - 0.86 AU

Year: 424 Days

Day: 11.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,254,205 km

• M1: 173,384 km (0.076 R)
• M2: 617,989 km (0.099 R)
• M3: 1,113,607 km (0.114 R)
• M4: 1,898,547 km (0.054 R)
• M5: 2,449,216 km (0.102 R)
• M6: 2,891,876 km (0.114 R)
• M7: 3,942,353 km (0.112 R)
• M8: 4,628,409 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.8

Radius: 9.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.1 AU - 1.12 AU

Year: 780 Days

Day: 8.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,254,205 km

• M1: 117,434 km (0.032 R)
• M2: 521,049 km (0.069 R)
• M3: 1,310,029 km (0.062 R)
• M4: 1,702,125 km (0.078 R)
• M5: 2,248,157 km (0.116 R)
• M6: 2,948,424 km (0.04 R)
• M7: 3,406,792 km (0.059 R)
• M8: 3,762,835 km (0.055 R)
• M9: 4,130,547 km (0.106 R)
• M10: 4,592,206 km (0.097 R)
• M11: 4,938,525 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496

Radius: 9.5

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.61 AU - 2.49 AU

Year: 1957 Days

Day: 8.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 131.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,254,205 km

• M1: 118,182 km (0.076 R)
• M2: 472,729 km (0.057 R)
• M3: 829,520 km (0.096 R)
• M4: 1,395,000 km (0.081 R)
• M5: 1,749,846 km (0.045 R)
• M6: 2,422,289 km (0.112 R)
• M7: 2,727,768 km (0.099 R)
• M8: 3,165,042 km (0.088 R)
• M9: 4,369,604 km (0.116 R)
• M10: 6,117,207 km (0.083 R)
• M11: 9,081,937 km (0.071 R)
• M12: 9,530,132 km (0.104 R)
• M13: 10,785,707 km (0.082 R)
• M14: 11,657,115 km (0.089 R)
• M15: 11,957,807 km (0.116 R)
• M16: 13,051,217 km (0.115 R)
• M17: 13,663,821 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 14.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.06 AU - 2.16 AU

Year: 2044 Days

Day: 6 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,254,205 km

• M1: 178,021 km (0.049 R)
• M2: 719,117 km (0.116 R)
• M3: 1,203,365 km (0.115 R)
• M4: 1,684,322 km (0.113 R)
• M5: 2,605,097 km (0.102 R)
• M6: 3,104,305 km (0.111 R)
• M7: 4,845,026 km (0.09 R)
• M8: 6,344,147 km (0.109 R)
• M9: 7,326,406 km (0.093 R)
• M10: 8,843,029 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 15

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.85 AU - 2.81 AU

Year: 2372 Days

Day: 5.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,254,205 km

• M1: 186,549 km (0.062 R)
• M2: 777,759 km (0.079 R)
• M3: 1,271,881 km (0.091 R)
• M4: 1,910,066 km (0.113 R)
• M5: 3,074,535 km (0.076 R)
• M6: 4,191,134 km (0.112 R)
• M7: 5,518,965 km (0.111 R)
• M8: 6,848,591 km (0.118 R)
• M9: 7,409,433 km (0.077 R)
• M10: 8,029,815 km (0.038 R)
• M11: 10,583,900 km (0.099 R)
• M12: 12,084,516 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.7

Radius: 15

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.35 AU - 3.55 AU

Year: 3379 Days

Day: 13.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,254,205 km

• M1: 186,549 km (0.107 R)
• M2: 660,923 km (0.049 R)
• M3: 1,652,159 km (0.108 R)
• M4: 2,139,848 km (0.092 R)
• M5: 2,710,115 km (0.046 R)
• M6: 3,346,504 km (0.04 R)
• M7: 4,564,680 km (0.115 R)
• M8: 5,062,392 km (0.107 R)
• M9: 5,877,551 km (0.099 R)
• M10: 6,807,601 km (0.107 R)
• M11: 7,521,781 km (0.118 R)
• M12: 8,219,954 km (0.095 R)
• M13: 9,709,650 km (0.088 R)
• M14: 10,461,230 km (0.108 R)
• M15: 11,827,656 km (0.113 R)
• M16: 13,584,235 km (0.084 R)
• M17: 14,621,696 km (0.106 R)
• M18: 16,328,159 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 10,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit