🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.3

Radius: 12

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.53 AU - 0.67 AU

Year: 310 Days

Day: 5.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,694,086 km

• M1: 150,645 km (0.118 R)
• M2: 625,618 km (0.077 R)
• M3: 1,446,013 km (0.102 R)
• M4: 2,005,509 km (0.107 R)
• M5: 2,443,382 km (0.101 R)
• M6: 3,161,153 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.3

Radius: 14.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.78 AU - 1.08 AU

Year: 598 Days

Day: 11 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,694,086 km

• M1: 184,305 km (0.088 R)
• M2: 645,515 km (0.076 R)
• M3: 1,204,712 km (0.109 R)
• M4: 1,672,953 km (0.117 R)
• M5: 3,075,433 km (0.088 R)
• M6: 3,898,670 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 13.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.99 AU - 3.31 AU

Year: 2877 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,694,086 km

• M1: 169,195 km (0.11 R)
• M2: 598,840 km (0.113 R)
• M3: 1,123,031 km (0.077 R)
• M4: 1,565,542 km (0.08 R)
• M5: 2,100,803 km (0.113 R)
• M6: 3,491,913 km (0.071 R)
• M7: 5,300,701 km (0.111 R)
• M8: 6,497,335 km (0.06 R)
• M9: 7,159,754 km (0.088 R)
• M10: 8,034,004 km (0.114 R)
• M11: 9,051,120 km (0.09 R)
• M12: 9,878,546 km (0.088 R)
• M13: 11,003,971 km (0.096 R)
• M14: 11,468,921 km (0.065 R)
• M15: 12,757,856 km (0.047 R)
• M16: 13,271,276 km (0.103 R)
• M17: 13,993,684 km (0.105 R)
• M18: 15,517,189 km (0.101 R)
• M19: 16,869,105 km (0.115 R)
• M20: 18,534,129 km (0.072 R)
• M21: 19,992,858 km (0.089 R)
• M22: 20,878,477 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.9

Radius: 12.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.77 AU - 4.19 AU

Year: 5295 Days

Day: 14.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,694,086 km

• M1: 154,235 km (0.052 R)
• M2: 708,496 km (0.036 R)
• M3: 1,135,597 km (0.075 R)
• M4: 1,799,214 km (0.111 R)
• M5: 2,256,235 km (0.12 R)
• M6: 2,645,638 km (0.05 R)
• M7: 3,062,867 km (0.106 R)
• M8: 3,843,768 km (0.118 R)
• M9: 4,248,580 km (0.11 R)
• M10: 4,946,454 km (0.058 R)
• M11: 5,638,643 km (0.116 R)
• M12: 6,601,156 km (0.08 R)
• M13: 7,736,454 km (0.103 R)
• M14: 14,449,658 km (0.043 R)
• M15: 16,970,233 km (0.029 R)
• M16: 17,369,210 km (0.114 R)
• M17: 18,364,485 km (0.094 R)
• M18: 19,770,855 km (0.097 R)
• M19: 20,855,738 km (0.112 R)
• M20: 21,445,902 km (0.117 R)
• M21: 21,845,627 km (0.065 R)
• M22: 23,005,011 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 11.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.92 AU - 4.44 AU

Year: 5699 Days

Day: 14.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 22,694,086 km

• M1: 143,165 km (0.096 R)
• M2: 588,069 km (0.097 R)
• M3: 965,205 km (0.064 R)
• M4: 1,498,971 km (0.069 R)
• M5: 2,496,788 km (0.113 R)
• M6: 2,947,527 km (0.079 R)
• M7: 3,773,307 km (0.038 R)
• M8: 4,189,937 km (0.106 R)
• M9: 6,075,618 km (0.101 R)
• M10: 7,485,578 km (0.114 R)
• M11: 8,595,146 km (0.082 R)
• M12: 9,811,227 km (0.102 R)
• M13: 10,366,085 km (0.082 R)
• M14: 10,893,119 km (0.098 R)
• M15: 12,157,669 km (0.09 R)
• M16: 12,907,304 km (0.091 R)
• M17: 17,458,221 km (0.114 R)
• M18: 18,621,195 km (0.048 R)
• M19: 19,544,962 km (0.104 R)
• M20: 21,253,818 km (0.032 R)
• M21: 22,105,329 km (0.08 R)
• M22: 23,794,140 km (0.096 R)
• M23: 26,530,285 km (0.11 R)
• M24: 28,343,261 km (0.108 R)
• M25: 28,996,854 km (0.089 R)
• M26: 32,926,491 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.8

Radius: 9.7

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.11 AU - 5.93 AU

Year: 7500 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 84.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 22,694,086 km

• M1: 130,300 km (0.058 R)
• M2: 461,061 km (0.092 R)
• M3: 886,966 km (0.076 R)
• M4: 1,337,704 km (0.084 R)
• M5: 1,937,292 km (0.076 R)
• M6: 2,342,703 km (0.088 R)
• M7: 3,109,691 km (0.07 R)
• M8: 3,528,715 km (0.08 R)
• M9: 4,729,686 km (0.074 R)
• M10: 5,690,853 km (0.081 R)
• M11: 6,184,077 km (0.1 R)
• M12: 7,561,724 km (0.095 R)
• M13: 9,133,698 km (0.11 R)
• M14: 13,305,235 km (0.112 R)
• M15: 13,764,500 km (0.093 R)
• M16: 15,581,366 km (0.072 R)
• M17: 17,416,483 km (0.116 R)
• M18: 18,456,787 km (0.094 R)
• M19: 19,759,036 km (0.107 R)
• M20: 21,511,127 km (0.102 R)
• M21: 24,202,243 km (0.069 R)
• M22: 25,321,534 km (0.103 R)
• M23: 27,385,685 km (0.046 R)
• M24: 28,129,336 km (0.105 R)
• M25: 30,638,990 km (0.112 R)
• M26: 34,677,834 km (0.116 R)
• M27: 36,880,513 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.2

Radius: 4.1

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.49 AU - 7.27 AU

Year: 12034 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,694,086 km

• M1: 56,398 km (0.104 R)
• M2: 609,013 km (0.106 R)
• M3: 1,740,571 km (0.109 R)
• M4: 1,927,718 km (0.086 R)
• M5: 2,915,513 km (0.086 R)
• M6: 9,041,845 km (0.049 R)
• M7: 10,108,927 km (0.097 R)
• M8: 12,444,598 km (0.1 R)
• M9: 12,627,257 km (0.073 R)
• M10: 14,655,206 km (0.11 R)
• M11: 17,740,512 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 15,451 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit