🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 10.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.53 AU - 0.89 AU

Year: 413 Days

Day: 11 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,881,114 km

• M1: 129,402 km (0.037 R)
• M2: 495,468 km (0.084 R)
• M3: 886,367 km (0.119 R)
• M4: 1,276,967 km (0.085 R)
• M5: 1,675,795 km (0.086 R)
• M6: 2,402,542 km (0.107 R)
• M7: 3,222,039 km (0.046 R)
• M8: 3,783,480 km (0.118 R)
• M9: 4,319,190 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.1

Radius: 13.3

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.71 AU - 0.73 AU

Year: 422 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,881,114 km

• M1: 165,455 km (0.117 R)
• M2: 591,360 km (0.061 R)
• M3: 1,106,875 km (0.09 R)
• M4: 1,718,132 km (0.066 R)
• M5: 2,492,600 km (0.111 R)
• M6: 3,003,925 km (0.04 R)
• M7: 3,884,309 km (0.091 R)
• M8: 4,562,137 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.7

Radius: 10.8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.06 AU - 1.32 AU

Year: 896 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,881,114 km

• M1: 134,339 km (0.083 R)
• M2: 562,488 km (0.072 R)
• M3: 899,682 km (0.073 R)
• M4: 1,486,554 km (0.073 R)
• M5: 1,845,140 km (0.106 R)
• M6: 2,370,378 km (0.109 R)
• M7: 2,980,588 km (0.071 R)
• M8: 3,358,323 km (0.12 R)
• M9: 4,514,565 km (0.091 R)
• M10: 5,318,055 km (0.115 R)
• M11: 5,897,896 km (0.114 R)
• M12: 7,043,217 km (0.105 R)
• M13: 7,545,567 km (0.062 R)
• M14: 8,489,081 km (0.093 R)
• M15: 8,838,541 km (0.087 R)
• M16: 9,225,850 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.2

Radius: 14.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.75 AU - 3.07 AU

Year: 3426 Days

Day: 14.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,881,114 km

• M1: 180,265 km (0.118 R)
• M2: 718,668 km (0.092 R)
• M3: 1,702,125 km (0.069 R)
• M4: 2,667,629 km (0.069 R)
• M5: 3,250,163 km (0.115 R)
• M6: 3,917,071 km (0.12 R)
• M7: 5,021,552 km (0.101 R)
• M8: 5,842,545 km (0.084 R)
• M9: 8,367,906 km (0.086 R)
• M10: 9,696,784 km (0.045 R)
• M11: 11,239,288 km (0.114 R)
• M12: 11,988,474 km (0.084 R)
• M13: 12,813,058 km (0.095 R)
• M14: 15,514,945 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.3

Radius: 14.9

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.48 AU - 4.02 AU

Year: 4044 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,881,114 km

• M1: 185,352 km (0.061 R)
• M2: 696,677 km (0.095 R)
• M3: 1,184,217 km (0.067 R)
• M4: 1,847,683 km (0.042 R)
• M5: 2,312,484 km (0.064 R)
• M6: 2,891,278 km (0.087 R)
• M7: 3,878,175 km (0.086 R)
• M8: 4,369,006 km (0.11 R)
• M9: 5,236,374 km (0.081 R)
• M10: 7,720,148 km (0.092 R)
• M11: 8,429,391 km (0.118 R)
• M12: 9,574,713 km (0.115 R)
• M13: 10,563,704 km (0.087 R)
• M14: 11,710,970 km (0.054 R)
• M15: 14,727,761 km (0.079 R)
• M16: 16,559,736 km (0.03 R)
• M17: 17,741,559 km (0.116 R)
• M18: 21,281,943 km (0.093 R)
• M19: 24,660,012 km (0.116 R)
• M20: 25,268,726 km (0.103 R)
• M21: 25,887,313 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.4

Radius: 4.9

Gravity: 40.79 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.31 AU - 6.43 AU

Year: 11097 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,881,114 km

• M1: 62,382 km (0.084 R)
• M2: 268,079 km (0.065 R)
• M3: 544,686 km (0.094 R)
• M4: 1,042,398 km (0.078 R)
• M5: 2,027,500 km (0.063 R)
• M6: 2,497,686 km (0.075 R)
• M7: 2,919,103 km (0.077 R)
• M8: 3,334,836 km (0.071 R)
• M9: 3,517,196 km (0.052 R)
• M10: 3,873,538 km (0.096 R)
• M11: 4,499,605 km (0.114 R)
• M12: 5,190,597 km (0.087 R)
• M13: 5,471,542 km (0.112 R)
• M14: 5,837,010 km (0.049 R)
• M15: 9,064,733 km (0.098 R)
• M16: 11,400,854 km (0.111 R)
• M17: 13,774,523 km (0.117 R)
• M18: 15,289,351 km (0.116 R)
• M19: 15,866,649 km (0.057 R)
• M20: 20,149,337 km (0.07 R)
• M21: 20,321,225 km (0.12 R)
• M22: 26,457,730 km (0.054 R)
• M23: 29,333,001 km (0.116 R)
• M24: 31,941,090 km (0.045 R)
• M25: 36,581,766 km (0.07 R)
• M26: 38,398,931 km (0.116 R)
• M27: 44,645,839 km (0.054 R)
• M28: 45,526,671 km (0.081 R)
• M29: 46,120,425 km (0.048 R)
• M30: 50,738,511 km (0.073 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 15,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit