🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.4

Radius: 12.4

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.45 AU - 0.63 AU

Year: 279 Days

Day: 8.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 131.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,900,368 km

• M1: 154,235 km (0.105 R)
• M2: 640,578 km (0.116 R)
• M3: 1,051,673 km (0.072 R)
• M4: 1,454,091 km (0.118 R)
• M5: 2,078,513 km (0.052 R)
• M6: 2,578,319 km (0.112 R)
• M7: 3,078,425 km (0.089 R)
• M8: 3,468,726 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 8.4

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.62 AU - 0.74 AU

Year: 394 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,900,368 km

• M1: 104,419 km (0.088 R)
• M2: 397,631 km (0.073 R)
• M3: 699,220 km (0.084 R)
• M4: 992,283 km (0.084 R)
• M5: 1,349,971 km (0.066 R)
• M6: 1,682,677 km (0.1 R)
• M7: 1,955,693 km (0.098 R)
• M8: 2,366,339 km (0.069 R)
• M9: 2,771,899 km (0.092 R)
• M10: 3,280,382 km (0.065 R)
• M11: 3,735,608 km (0.116 R)
• M12: 4,511,423 km (0.079 R)
• M13: 5,090,666 km (0.069 R)
• M14: 5,406,467 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.7

Radius: 10.8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.67 AU - 2.15 AU

Year: 1855 Days

Day: 9.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,900,368 km

• M1: 135,685 km (0.094 R)
• M2: 494,122 km (0.044 R)
• M3: 899,233 km (0.118 R)
• M4: 1,305,989 km (0.101 R)
• M5: 1,924,726 km (0.077 R)
• M6: 2,386,535 km (0.081 R)
• M7: 3,855,287 km (0.106 R)
• M8: 4,657,281 km (0.087 R)
• M9: 5,064,935 km (0.036 R)
• M10: 5,403,475 km (0.107 R)
• M11: 5,927,666 km (0.077 R)
• M12: 7,618,571 km (0.072 R)
• M13: 8,034,303 km (0.072 R)
• M14: 8,814,307 km (0.102 R)
• M15: 9,373,055 km (0.116 R)
• M16: 10,202,126 km (0.062 R)
• M17: 10,929,620 km (0.085 R)
• M18: 11,536,240 km (0.101 R)
• M19: 12,085,264 km (0.059 R)
• M20: 12,610,652 km (0.111 R)
• M21: 13,067,075 km (0.096 R)
• M22: 15,050,144 km (0.113 R)
• M23: 15,658,559 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.4

Radius: 10.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.92 AU - 3.18 AU

Year: 3744 Days

Day: 6.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,900,368 km

• M1: 417,378 km (0.11 R)
• M2: 790,774 km (0.073 R)
• M3: 2,033,933 km (0.104 R)
• M4: 2,535,983 km (0.077 R)
• M5: 4,914,589 km (0.109 R)
• M6: 7,262,528 km (0.116 R)
• M7: 9,925,669 km (0.072 R)
• M8: 11,719,348 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 8.8

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.27 AU - 4.33 AU

Year: 5207 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 32,900,368 km

• M1: 109,506 km (0.085 R)
• M2: 422,165 km (0.029 R)
• M3: 950,545 km (0.093 R)
• M4: 1,589,777 km (0.057 R)
• M5: 2,490,954 km (0.099 R)
• M6: 3,293,547 km (0.073 R)
• M7: 3,743,836 km (0.085 R)
• M8: 4,482,850 km (0.115 R)
• M9: 5,316,110 km (0.111 R)
• M10: 6,376,609 km (0.098 R)
• M11: 7,146,739 km (0.097 R)
• M12: 7,681,402 km (0.12 R)
• M13: 8,435,525 km (0.069 R)
• M14: 10,491,149 km (0.088 R)
• M15: 10,856,018 km (0.086 R)
• M16: 11,902,904 km (0.103 R)
• M17: 12,603,321 km (0.092 R)
• M18: 14,141,337 km (0.073 R)
• M19: 14,530,591 km (0.102 R)
• M20: 17,585,828 km (0.12 R)
• M21: 19,570,094 km (0.084 R)
• M22: 20,263,331 km (0.062 R)
• M23: 21,552,416 km (0.106 R)
• M24: 22,142,579 km (0.051 R)
• M25: 23,665,037 km (0.111 R)
• M26: 24,531,508 km (0.047 R)
• M27: 25,337,541 km (0.107 R)
• M28: 25,994,874 km (0.114 R)
• M29: 26,579,353 km (0.094 R)
• M30: 28,035,389 km (0.026 R)
• M31: 28,561,674 km (0.077 R)
• M32: 29,997,515 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 8

Gravity: 11.9 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.19 AU - 4.59 AU

Year: 5393 Days

Day: 11.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,900,368 km

• M1: 101,278 km (0.103 R)
• M2: 558,598 km (0.105 R)
• M3: 916,137 km (0.077 R)
• M4: 2,460,885 km (0.097 R)
• M5: 3,068,552 km (0.038 R)
• M6: 3,376,274 km (0.088 R)
• M7: 3,934,873 km (0.065 R)
• M8: 4,323,827 km (0.085 R)
• M9: 5,380,138 km (0.107 R)
• M10: 7,078,672 km (0.096 R)
• M11: 7,399,111 km (0.117 R)
• M12: 12,393,436 km (0.102 R)
• M13: 12,651,043 km (0.085 R)
• M14: 14,784,309 km (0.104 R)
• M15: 17,146,758 km (0.08 R)
• M16: 19,264,316 km (0.06 R)
• M17: 21,108,559 km (0.05 R)
• M18: 23,773,046 km (0.111 R)
• M19: 24,573,694 km (0.051 R)
• M20: 26,144,173 km (0.075 R)
• M21: 26,483,161 km (0.098 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: 508 - 13,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit