🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.45 AU - 0.57 AU

Year: 235 Days

Day: 33.1 Hours

Environment

Temp: -122 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.6

Radius: 11.7

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.93 AU - 1.03 AU

Year: 626 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,929,725 km

• M1: 145,559 km (0.079 R)
• M2: 586,424 km (0.084 R)
• M3: 956,230 km (0.115 R)
• M4: 1,332,169 km (0.068 R)
• M5: 1,756,877 km (0.12 R)
• M6: 2,166,626 km (0.082 R)
• M7: 2,700,840 km (0.097 R)
• M8: 3,275,146 km (0.105 R)
• M9: 4,103,170 km (0.109 R)
• M10: 5,144,222 km (0.108 R)
• M11: 5,517,020 km (0.109 R)
• M12: 5,977,632 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.3

Radius: 9.4

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.14 AU - 1.78 AU

Year: 1139 Days

Day: 15 Hours

Environment

Temp: -184 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,929,725 km

• M1: 116,986 km (0.094 R)
• M2: 549,623 km (0.07 R)
• M3: 947,553 km (0.092 R)
• M4: 1,470,397 km (0.054 R)
• M5: 2,317,720 km (0.113 R)
• M6: 2,643,245 km (0.11 R)
• M7: 2,999,437 km (0.063 R)
• M8: 3,856,334 km (0.097 R)
• M9: 4,181,260 km (0.099 R)
• M10: 4,942,714 km (0.032 R)
• M11: 5,307,284 km (0.111 R)
• M12: 5,793,626 km (0.092 R)
• M13: 6,199,485 km (0.092 R)
• M14: 7,068,200 km (0.074 R)
• M15: 7,733,312 km (0.119 R)
• M16: 8,120,621 km (0.054 R)
• M17: 9,770,835 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.7

Radius: 12.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.39 AU - 5.91 AU

Year: 7546 Days

Day: 11.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,929,725 km

• M1: 176,825 km (0.106 R)
• M2: 690,245 km (0.094 R)
• M3: 2,123,093 km (0.099 R)
• M4: 2,529,251 km (0.104 R)
• M5: 2,953,212 km (0.07 R)
• M6: 4,010,869 km (0.029 R)
• M7: 7,632,035 km (0.029 R)
• M8: 10,778,377 km (0.07 R)
• M9: 12,086,162 km (0.093 R)
• M10: 15,492,206 km (0.097 R)
• M11: 16,700,807 km (0.087 R)
• M12: 21,628,561 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.5

Radius: 4

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.78 AU - 6.56 AU

Year: 9896 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,929,725 km

• M1: 63,878 km (0.117 R)
• M2: 197,170 km (0.089 R)
• M3: 358,436 km (0.072 R)
• M4: 1,199,775 km (0.12 R)
• M5: 1,886,878 km (0.109 R)
• M6: 2,180,090 km (0.07 R)
• M7: 2,928,079 km (0.083 R)
• M8: 3,129,737 km (0.116 R)
• M9: 3,399,612 km (0.119 R)
• M10: 3,560,729 km (0.11 R)
• M11: 3,705,838 km (0.092 R)
• M12: 6,175,699 km (0.098 R)
• M13: 6,915,012 km (0.07 R)
• M14: 8,457,067 km (0.058 R)
• M15: 9,249,487 km (0.058 R)
• M16: 18,292,828 km (0.107 R)
• M17: 20,658,419 km (0.107 R)
• M18: 20,858,730 km (0.064 R)
• M19: 25,217,863 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.6

Radius: 4.8

Gravity: 38.78 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.36 AU - 12.74 AU

Year: 22126 Days

Day: 17.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,929,725 km

• M1: 59,989 km (0.099 R)
• M2: 237,412 km (0.117 R)
• M3: 760,107 km (0.091 R)
• M4: 1,099,245 km (0.051 R)
• M5: 2,052,632 km (0.091 R)
• M6: 2,411,518 km (0.056 R)
• M7: 2,656,260 km (0.099 R)
• M8: 3,138,713 km (0.079 R)
• M9: 3,645,850 km (0.081 R)
• M10: 4,345,818 km (0.086 R)
• M11: 5,052,518 km (0.1 R)
• M12: 5,536,767 km (0.046 R)
• M13: 6,550,292 km (0.083 R)
• M14: 9,765,599 km (0.051 R)
• M15: 10,387,627 km (0.046 R)
• M16: 12,993,024 km (0.103 R)
• M17: 13,516,317 km (0.093 R)
• M18: 14,525,205 km (0.098 R)
• M19: 14,926,277 km (0.096 R)
• M20: 16,691,682 km (0.113 R)
• M21: 20,132,433 km (0.109 R)
• M22: 24,129,239 km (0.12 R)
• M23: 24,465,685 km (0.073 R)
• M24: 25,493,572 km (0.088 R)
• M25: 26,788,491 km (0.1 R)
• M26: 28,749,569 km (0.069 R)
• M27: 33,092,246 km (0.025 R)
• M28: 36,955,012 km (0.093 R)
• M29: 46,939,922 km (0.114 R)
• M30: 48,524,014 km (0.076 R)
• M31: 49,419,208 km (0.04 R)
• M32: 72,935,395 km (0.044 R)
• M33: 73,169,216 km (0.115 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 16,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit