🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551

Radius: 13.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.51 AU - 0.83 AU

Year: 379 Days

Day: 5.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,432,836 km

• M1: 172,935 km (0.119 R)
• M2: 683,213 km (0.114 R)
• M3: 1,144,424 km (0.112 R)
• M4: 2,388,330 km (0.085 R)
• M5: 3,090,542 km (0.092 R)
• M6: 3,793,802 km (0.045 R)
• M7: 4,373,195 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.2

Radius: 12.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.63 AU - 0.87 AU

Year: 448 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,432,836 km

• M1: 159,172 km (0.112 R)
• M2: 628,311 km (0.116 R)
• M3: 1,033,422 km (0.043 R)
• M4: 1,479,673 km (0.057 R)
• M5: 1,921,435 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.7

Radius: 9.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.67 AU - 1.01 AU

Year: 531 Days

Day: 9.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 158.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,432,836 km

• M1: 118,182 km (0.103 R)
• M2: 450,140 km (0.047 R)
• M3: 809,923 km (0.085 R)
• M4: 1,172,997 km (0.067 R)
• M5: 1,512,285 km (0.082 R)
• M6: 2,031,539 km (0.103 R)
• M7: 2,726,421 km (0.057 R)
• M8: 3,295,491 km (0.091 R)
• M9: 4,129,649 km (0.107 R)
• M10: 4,581,884 km (0.069 R)
• M11: 4,973,232 km (0.119 R)
• M12: 5,602,291 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48

Radius: 8.2

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.21 AU - 1.45 AU

Year: 1059 Days

Day: 8.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 89.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,432,836 km

• M1: 102,026 km (0.107 R)
• M2: 376,388 km (0.111 R)
• M3: 661,671 km (0.046 R)
• M4: 923,318 km (0.119 R)
• M5: 1,182,272 km (0.028 R)
• M6: 1,641,837 km (0.073 R)
• M7: 2,059,215 km (0.109 R)
• M8: 2,415,108 km (0.106 R)
• M9: 2,908,033 km (0.114 R)
• M10: 3,702,099 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.7

Radius: 8.7

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.25 AU - 2.27 AU

Year: 2345 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,432,836 km

• M1: 108,309 km (0.071 R)
• M2: 419,622 km (0.057 R)
• M3: 1,035,068 km (0.111 R)
• M4: 1,311,525 km (0.089 R)
• M5: 2,642,946 km (0.109 R)
• M6: 4,818,547 km (0.063 R)
• M7: 5,533,326 km (0.081 R)
• M8: 8,581,383 km (0.091 R)
• M9: 10,610,079 km (0.059 R)
• M10: 11,816,137 km (0.071 R)
• M11: 12,100,673 km (0.039 R)
• M12: 14,222,718 km (0.066 R)
• M13: 17,352,605 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.7

Radius: 12.4

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.84 AU - 6.34 AU

Year: 7927 Days

Day: 11 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,432,836 km

• M1: 154,235 km (0.108 R)
• M2: 590,313 km (0.084 R)
• M3: 1,078,451 km (0.098 R)
• M4: 1,637,797 km (0.097 R)
• M5: 2,308,744 km (0.112 R)
• M6: 2,949,771 km (0.106 R)
• M7: 3,353,087 km (0.12 R)
• M8: 9,445,310 km (0.097 R)
• M9: 9,944,518 km (0.113 R)
• M10: 11,223,730 km (0.081 R)
• M11: 11,879,417 km (0.112 R)
• M12: 13,318,698 km (0.069 R)
• M13: 19,176,801 km (0.088 R)
• M14: 20,387,796 km (0.115 R)
• M15: 22,961,777 km (0.115 R)
• M16: 29,181,159 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.2

Radius: 3.1

Gravity: 39.15 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.96 AU - 5.98 AU

Year: 10069 Days

Day: 24.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,432,836 km

• M1: 41,139 km (0.117 R)
• M2: 146,606 km (0.083 R)
• M3: 349,012 km (0.116 R)
• M4: 446,699 km (0.079 R)
• M5: 556,354 km (0.047 R)
• M6: 1,156,242 km (0.113 R)
• M7: 1,493,286 km (0.109 R)
• M8: 1,815,969 km (0.075 R)
• M9: 1,954,197 km (0.06 R)
• M10: 2,540,920 km (0.107 R)
• M11: 2,773,545 km (0.097 R)
• M12: 4,845,625 km (0.074 R)
• M13: 5,172,496 km (0.115 R)
• M14: 7,334,036 km (0.096 R)
• M15: 9,795,519 km (0.088 R)
• M16: 11,728,473 km (0.083 R)
• M17: 12,046,817 km (0.081 R)
• M18: 13,036,258 km (0.102 R)
• M19: 13,320,494 km (0.062 R)
• M20: 14,197,885 km (0.108 R)
• M21: 17,883,528 km (0.053 R)
• M22: 18,518,272 km (0.092 R)
• M23: 23,638,708 km (0.101 R)
• M24: 24,402,704 km (0.042 R)
• M25: 25,979,765 km (0.06 R)
• M26: 30,814,618 km (0.117 R)
• M27: 34,027,980 km (0.075 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: 281 - 11,510 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit