🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.1

Radius: 14.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.54 AU - 0.6 AU

Year: 302 Days

Day: 12.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,262,490 km

• M1: 180,265 km (0.107 R)
• M2: 663,467 km (0.061 R)
• M3: 1,137,542 km (0.097 R)
• M4: 1,642,136 km (0.057 R)
• M5: 2,214,796 km (0.098 R)
• M6: 2,910,277 km (0.095 R)
• M7: 3,809,061 km (0.119 R)
• M8: 4,506,337 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 8.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.76 AU - 0.8 AU

Year: 484 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,262,490 km

• M1: 109,506 km (0.092 R)
• M2: 411,245 km (0.103 R)
• M3: 687,851 km (0.03 R)
• M4: 981,661 km (0.09 R)
• M5: 1,383,631 km (0.106 R)
• M6: 1,872,217 km (0.105 R)
• M7: 2,362,450 km (0.114 R)
• M8: 3,013,799 km (0.117 R)
• M9: 3,350,095 km (0.075 R)
• M10: 3,757,151 km (0.055 R)
• M11: 4,098,832 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 12

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.13 AU - 1.21 AU

Year: 890 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,262,490 km

• M1: 149,299 km (0.046 R)
• M2: 545,135 km (0.114 R)
• M3: 923,617 km (0.099 R)
• M4: 1,526,945 km (0.096 R)
• M5: 1,920,537 km (0.115 R)
• M6: 2,534,487 km (0.085 R)
• M7: 2,955,904 km (0.063 R)
• M8: 4,544,783 km (0.07 R)
• M9: 5,679,334 km (0.104 R)
• M10: 6,794,586 km (0.117 R)
• M11: 7,615,878 km (0.101 R)
• M12: 8,199,310 km (0.078 R)
• M13: 8,891,200 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.1

Radius: 14.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.31 AU - 1.87 AU

Year: 1409 Days

Day: 6.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,262,490 km

• M1: 181,612 km (0.062 R)
• M2: 643,570 km (0.088 R)
• M3: 1,173,446 km (0.117 R)
• M4: 2,181,885 km (0.104 R)
• M5: 2,850,887 km (0.103 R)
• M6: 4,391,894 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 14.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.08 AU - 2.14 AU

Year: 2154 Days

Day: 10 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,262,490 km

• M1: 181,612 km (0.091 R)
• M2: 721,211 km (0.093 R)
• M3: 1,227,750 km (0.115 R)
• M4: 2,392,070 km (0.063 R)
• M5: 2,847,745 km (0.094 R)
• M6: 3,975,414 km (0.084 R)
• M7: 4,539,697 km (0.083 R)
• M8: 5,314,614 km (0.099 R)
• M9: 6,001,867 km (0.095 R)
• M10: 7,269,709 km (0.111 R)
• M11: 8,614,145 km (0.115 R)
• M12: 9,632,906 km (0.089 R)
• M13: 12,757,108 km (0.05 R)
• M14: 13,472,036 km (0.094 R)
• M15: 14,662,087 km (0.055 R)
• M16: 15,166,681 km (0.076 R)
• M17: 15,969,274 km (0.115 R)
• M18: 16,552,855 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.4

Radius: 10.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.85 AU - 4.75 AU

Year: 6268 Days

Day: 11.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,262,490 km

• M1: 147,055 km (0.043 R)
• M2: 664,663 km (0.12 R)
• M3: 1,352,963 km (0.116 R)
• M4: 2,418,399 km (0.067 R)
• M5: 4,403,713 km (0.043 R)
• M6: 4,813,611 km (0.092 R)
• M7: 6,682,088 km (0.043 R)
• M8: 8,711,533 km (0.068 R)
• M9: 12,081,374 km (0.101 R)
• M10: 14,496,482 km (0.083 R)
• M11: 21,470,885 km (0.052 R)
• M12: 23,260,674 km (0.114 R)
• M13: 25,390,947 km (0.086 R)
• M14: 26,211,791 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.6

Radius: 7.4

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.09 AU - 8.05 AU

Year: 13214 Days

Day: 23.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,262,490 km

• M1: 92,003 km (0.061 R)
• M2: 465,249 km (0.109 R)
• M3: 1,097,600 km (0.084 R)
• M4: 1,461,721 km (0.092 R)
• M5: 2,327,294 km (0.1 R)
• M6: 3,056,733 km (0.062 R)
• M7: 3,338,576 km (0.058 R)
• M8: 3,781,685 km (0.079 R)
• M9: 4,184,851 km (0.091 R)
• M10: 4,616,291 km (0.113 R)
• M11: 5,473,636 km (0.119 R)
• M12: 6,328,738 km (0.096 R)
• M13: 7,156,912 km (0.093 R)
• M14: 7,422,747 km (0.091 R)
• M15: 7,734,659 km (0.111 R)
• M16: 8,468,586 km (0.116 R)
• M17: 11,715,458 km (0.118 R)
• M18: 12,300,087 km (0.08 R)
• M19: 14,052,476 km (0.094 R)
• M20: 15,772,552 km (0.039 R)
• M21: 16,749,576 km (0.059 R)
• M22: 17,766,393 km (0.099 R)
• M23: 18,466,810 km (0.112 R)
• M24: 22,732,892 km (0.072 R)
• M25: 28,362,709 km (0.09 R)
• M26: 30,993,238 km (0.094 R)
• M27: 31,396,255 km (0.101 R)
• M28: 31,802,712 km (0.102 R)
• M29: 32,730,369 km (0.097 R)
• M30: 33,358,680 km (0.068 R)
• M31: 38,794,318 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 11,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit