🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.2

Radius: 13.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.49 AU - 0.57 AU

Year: 266 Days

Day: 14.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,982,704 km

• M1: 163,062 km (0.109 R)
• M2: 623,075 km (0.093 R)
• M3: 1,241,812 km (0.106 R)
• M4: 1,830,180 km (0.046 R)
• M5: 2,264,313 km (0.116 R)
• M6: 2,687,975 km (0.12 R)
• M7: 3,096,227 km (0.09 R)
• M8: 3,855,287 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 11

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.57 AU - 0.61 AU

Year: 313 Days

Day: 11.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,982,704 km

• M1: 136,882 km (0.08 R)
• M2: 509,082 km (0.041 R)
• M3: 993,031 km (0.072 R)
• M4: 1,643,781 km (0.073 R)
• M5: 2,210,009 km (0.115 R)
• M6: 2,665,834 km (0.085 R)
• M7: 3,430,728 km (0.103 R)
• M8: 4,010,121 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.1

Radius: 11.2

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.6 AU - 0.64 AU

Year: 337 Days

Day: 13.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 160.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,982,704 km

• M1: 139,276 km (0.037 R)
• M2: 507,885 km (0.109 R)
• M3: 969,843 km (0.119 R)
• M4: 1,359,695 km (0.093 R)
• M5: 1,719,179 km (0.088 R)
• M6: 2,319,964 km (0.071 R)
• M7: 2,675,109 km (0.116 R)
• M8: 3,056,434 km (0.093 R)
• M9: 3,520,337 km (0.114 R)
• M10: 3,917,519 km (0.034 R)
• M11: 4,947,800 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 8.6

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.54 AU - 0.88 AU

Year: 413 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,982,704 km

• M1: 106,962 km (0.071 R)
• M2: 383,270 km (0.057 R)
• M3: 690,095 km (0.119 R)
• M4: 1,064,239 km (0.102 R)
• M5: 1,474,586 km (0.077 R)
• M6: 2,051,286 km (0.071 R)
• M7: 2,432,312 km (0.112 R)
• M8: 2,790,449 km (0.047 R)
• M9: 3,260,037 km (0.093 R)
• M10: 3,781,236 km (0.083 R)
• M11: 4,081,479 km (0.091 R)
• M12: 4,411,043 km (0.089 R)
• M13: 4,801,194 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.6

Radius: 8.5

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.56 AU - 3.06 AU

Year: 3251 Days

Day: 12.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,982,704 km

• M1: 130,898 km (0.036 R)
• M2: 444,306 km (0.106 R)
• M3: 923,318 km (0.076 R)
• M4: 1,366,427 km (0.119 R)
• M5: 1,781,411 km (0.025 R)
• M6: 2,121,747 km (0.099 R)
• M7: 2,412,714 km (0.038 R)
• M8: 3,130,485 km (0.119 R)
• M9: 4,092,250 km (0.071 R)
• M10: 6,376,759 km (0.053 R)
• M11: 6,769,752 km (0.111 R)
• M12: 8,256,755 km (0.106 R)
• M13: 9,438,878 km (0.087 R)
• M14: 12,645,358 km (0.092 R)
• M15: 13,218,169 km (0.072 R)
• M16: 13,758,217 km (0.077 R)
• M17: 14,778,026 km (0.111 R)
• M18: 19,805,561 km (0.098 R)
• M19: 20,643,309 km (0.078 R)
• M20: 22,114,604 km (0.098 R)
• M21: 22,389,416 km (0.104 R)
• M22: 22,875,758 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.1

Radius: 11.5

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.31 AU - 3.95 AU

Year: 4774 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,982,704 km

• M1: 146,008 km (0.118 R)
• M2: 613,800 km (0.092 R)
• M3: 1,067,680 km (0.117 R)
• M4: 1,611,319 km (0.027 R)
• M5: 3,096,078 km (0.097 R)
• M6: 4,818,847 km (0.12 R)
• M7: 6,196,045 km (0.071 R)
• M8: 6,845,748 km (0.12 R)
• M9: 7,321,918 km (0.108 R)
• M10: 9,419,280 km (0.084 R)
• M11: 10,869,033 km (0.035 R)
• M12: 12,040,833 km (0.071 R)
• M13: 13,376,294 km (0.102 R)
• M14: 14,291,384 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.4

Radius: 15

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.73 AU - 4.03 AU

Year: 5275 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,982,704 km

• M1: 195,973 km (0.082 R)
• M2: 920,775 km (0.112 R)
• M3: 1,431,502 km (0.097 R)
• M4: 1,913,506 km (0.092 R)
• M5: 4,522,792 km (0.074 R)
• M6: 5,910,313 km (0.112 R)
• M7: 7,151,227 km (0.1 R)
• M8: 7,815,741 km (0.112 R)
• M9: 8,445,099 km (0.119 R)
• M10: 10,761,024 km (0.069 R)
• M11: 11,261,578 km (0.074 R)
• M12: 13,060,941 km (0.071 R)
• M13: 17,721,065 km (0.117 R)
• M14: 21,476,420 km (0.106 R)
• M15: 23,237,486 km (0.054 R)
• M16: 24,777,147 km (0.073 R)
• M17: 28,661,905 km (0.094 R)
• M18: 29,449,538 km (0.054 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 11,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit