🌌 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: 681.3

Radius: 10.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.99 AU - 1.01 AU

Year: 636 Days

Day: 10.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,262,097 km

• M1: 129,402 km (0.115 R)
• M2: 481,855 km (0.12 R)
• M3: 816,655 km (0.031 R)
• M4: 2,112,023 km (0.083 R)
• M5: 3,366,850 km (0.116 R)
• M6: 3,809,510 km (0.102 R)
• M7: 5,131,656 km (0.11 R)
• M8: 6,352,674 km (0.078 R)
• M9: 7,138,362 km (0.118 R)
• M10: 7,622,012 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 12

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.05 AU - 1.09 AU

Year: 704 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,262,097 km

• M1: 149,299 km (0.118 R)
• M2: 868,266 km (0.065 R)
• M3: 1,303,745 km (0.11 R)
• M4: 1,716,187 km (0.048 R)
• M5: 2,105,740 km (0.108 R)
• M6: 3,056,135 km (0.053 R)
• M7: 3,490,866 km (0.114 R)
• M8: 3,910,339 km (0.088 R)
• M9: 4,303,183 km (0.059 R)
• M10: 5,482,164 km (0.106 R)
• M11: 5,994,985 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 9.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.02 AU - 1.14 AU

Year: 714 Days

Day: 9.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,262,097 km

• M1: 113,395 km (0.083 R)
• M2: 460,163 km (0.041 R)
• M3: 866,620 km (0.105 R)
• M4: 1,258,716 km (0.083 R)
• M5: 1,971,102 km (0.111 R)
• M6: 2,399,550 km (0.053 R)
• M7: 2,920,150 km (0.062 R)
• M8: 3,491,016 km (0.119 R)
• M9: 4,624,669 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.3

Radius: 11.3

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.18 AU - 1.6 AU

Year: 1042 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,262,097 km

• M1: 140,472 km (0.106 R)
• M2: 584,628 km (0.034 R)
• M3: 1,099,395 km (0.077 R)
• M4: 1,564,495 km (0.052 R)
• M5: 3,661,408 km (0.102 R)
• M6: 4,020,892 km (0.026 R)
• M7: 5,325,834 km (0.053 R)
• M8: 6,053,328 km (0.081 R)
• M9: 6,511,397 km (0.072 R)
• M10: 8,217,561 km (0.107 R)
• M11: 8,665,756 km (0.047 R)
• M12: 9,218,969 km (0.119 R)
• M13: 10,235,935 km (0.117 R)
• M14: 11,428,978 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.7

Radius: 9

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.43 AU - 3.31 AU

Year: 3091 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,262,097 km

• M1: 118,781 km (0.111 R)
• M2: 453,880 km (0.043 R)
• M3: 1,366,876 km (0.099 R)
• M4: 1,941,332 km (0.091 R)
• M5: 2,847,446 km (0.077 R)
• M6: 4,096,887 km (0.062 R)
• M7: 4,425,703 km (0.036 R)
• M8: 4,748,536 km (0.12 R)
• M9: 5,977,033 km (0.107 R)
• M10: 6,784,862 km (0.104 R)
• M11: 7,121,457 km (0.118 R)
• M12: 8,794,859 km (0.065 R)
• M13: 10,230,849 km (0.094 R)
• M14: 13,369,711 km (0.074 R)
• M15: 14,797,922 km (0.039 R)
• M16: 15,893,577 km (0.119 R)
• M17: 16,819,588 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743

Radius: 7.4

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 9.09 AU - 13.41 AU

Year: 23992 Days

Day: 15.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,262,097 km

• M1: 103,073 km (0.119 R)
• M2: 333,902 km (0.099 R)
• M3: 1,018,163 km (0.085 R)
• M4: 1,659,639 km (0.042 R)
• M5: 2,220,182 km (0.103 R)
• M6: 2,496,489 km (0.072 R)
• M7: 3,035,640 km (0.1 R)
• M8: 5,403,026 km (0.069 R)
• M9: 6,956,451 km (0.028 R)
• M10: 7,861,667 km (0.092 R)
• M11: 8,730,233 km (0.103 R)
• M12: 9,071,914 km (0.117 R)
• M13: 12,205,541 km (0.083 R)
• M14: 12,561,135 km (0.027 R)
• M15: 13,367,617 km (0.109 R)
• M16: 14,130,416 km (0.098 R)
• M17: 14,364,836 km (0.114 R)
• M18: 15,410,825 km (0.116 R)
• M19: 17,925,415 km (0.068 R)
• M20: 18,664,578 km (0.083 R)
• M21: 19,520,129 km (0.042 R)
• M22: 26,138,189 km (0.049 R)
• M23: 28,184,089 km (0.119 R)
• M24: 29,563,382 km (0.092 R)
• M25: 29,947,250 km (0.087 R)
• M26: 34,674,393 km (0.074 R)
• M27: 36,403,146 km (0.049 R)
• M28: 40,344,601 km (0.094 R)
• M29: 40,659,056 km (0.063 R)
• M30: 45,066,059 km (0.11 R)
• M31: 51,607,825 km (0.104 R)
• M32: 54,622,521 km (0.046 R)
• M33: 57,752,856 km (0.102 R)
• M34: 60,382,488 km (0.105 R)
• M35: 68,973,145 km (0.087 R)
• M36: 69,874,473 km (0.106 R)
• M37: 80,065,678 km (0.116 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: 241 - 12,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit