🌌 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 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.41 AU - 0.67 AU

Year: 260 Days

Day: 15 Hours

Environment

Temp: -116 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 13,321,963 km

• M1: 33,360 km (0.107 R)
• M2: 311,912 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.51 AU - 0.65 AU

Year: 290 Days

Day: 47.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.46 AU - 0.76 AU

Year: 313 Days

Day: 20.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 13,321,963 km

• M1: 218,114 km (0.069 R)
• M2: 408,701 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.57 AU - 0.71 AU

Year: 336 Days

Day: 24.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 13,321,963 km

• M1: 162,912 km (0.105 R)
• M2: 444,006 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 8.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.84 AU - 0.98 AU

Year: 569 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 13,321,963 km

• M1: 101,128 km (0.101 R)
• M2: 158,125 km (0.046 R)
• M3: 216,917 km (0.119 R)
• M4: 281,244 km (0.114 R)
• M5: 367,113 km (0.066 R)
• M6: 472,430 km (0.093 R)
• M7: 572,661 km (0.084 R)
• M8: 721,810 km (0.078 R)
• M9: 788,830 km (0.092 R)
• M10: 843,283 km (0.066 R)
• M11: 940,821 km (0.046 R)
• M12: 1,123,031 km (0.074 R)
• M13: 1,180,926 km (0.086 R)
• M14: 1,269,488 km (0.075 R)
• M15: 1,321,248 km (0.075 R)
• M16: 1,395,748 km (0.037 R)
• M17: 1,674,748 km (0.088 R)
• M18: 1,741,319 km (0.065 R)
• M19: 2,011,643 km (0.056 R)
• M20: 2,113,220 km (0.102 R)
• M21: 2,369,481 km (0.115 R)
• M22: 2,460,735 km (0.105 R)
• M23: 2,608,239 km (0.1 R)
• M24: 2,769,805 km (0.118 R)
• M25: 3,102,959 km (0.11 R)
• M26: 3,220,842 km (0.034 R)
• M27: 3,304,318 km (0.092 R)
• M28: 3,436,861 km (0.06 R)
• M29: 3,534,399 km (0.103 R)
• M30: 3,638,968 km (0.109 R)
• M31: 4,042,134 km (0.065 R)
• M32: 4,386,808 km (0.088 R)
• M33: 4,439,766 km (0.069 R)
• M34: 4,499,455 km (0.074 R)

Asteroid Belt

Center: 2.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.7

Radius: 12.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.33 AU - 3.99 AU

Year: 4593 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 13,321,963 km

• M1: 159,023 km (0.091 R)
• M2: 239,207 km (0.042 R)
• M3: 412,741 km (0.113 R)
• M4: 520,451 km (0.064 R)
• M5: 820,694 km (0.044 R)
• M6: 972,237 km (0.08 R)
• M7: 1,059,751 km (0.088 R)
• M8: 1,295,667 km (0.119 R)
• M9: 1,456,634 km (0.059 R)
• M10: 1,558,511 km (0.104 R)
• M11: 1,759,720 km (0.104 R)
• M12: 1,848,730 km (0.081 R)
• M13: 1,990,250 km (0.084 R)
• M14: 2,188,318 km (0.1 R)
• M15: 2,306,051 km (0.119 R)
• M16: 2,514,441 km (0.067 R)
• M17: 2,649,378 km (0.081 R)
• M18: 2,809,897 km (0.099 R)
• M19: 2,903,246 km (0.114 R)
• M20: 3,397,368 km (0.106 R)
• M21: 3,584,963 km (0.11 R)
• M22: 3,686,391 km (0.101 R)
• M23: 3,763,134 km (0.079 R)
• M24: 3,957,312 km (0.045 R)
• M25: 4,128,303 km (0.119 R)
• M26: 4,221,353 km (0.103 R)
• M27: 4,450,537 km (0.076 R)
• M28: 4,935,234 km (0.085 R)
• M29: 5,034,118 km (0.045 R)
• M30: 5,335,109 km (0.112 R)
• M31: 5,480,518 km (0.091 R)
• M32: 5,969,853 km (0.114 R)
• M33: 6,075,469 km (0.054 R)
• M34: 6,196,942 km (0.105 R)
• M35: 6,457,841 km (0.111 R)
• M36: 6,613,123 km (0.044 R)
• M37: 6,958,844 km (0.103 R)
• M38: 7,054,138 km (0.054 R)
• M39: 7,181,895 km (0.102 R)
• M40: 7,278,236 km (0.061 R)
• M41: 7,358,869 km (0.117 R)
• M42: 7,586,258 km (0.101 R)
• M43: 7,668,088 km (0.045 R)
• M44: 7,750,217 km (0.073 R)
• M45: 7,948,284 km (0.098 R)
• M46: 8,417,274 km (0.095 R)
• M47: 8,552,959 km (0.073 R)
• M48: 8,740,704 km (0.074 R)
• M49: 9,207,300 km (0.115 R)
• M50: 9,434,988 km (0.081 R)
• M51: 9,753,183 km (0.099 R)
• M52: 9,985,209 km (0.08 R)
• M53: 10,146,924 km (0.086 R)
• M54: 10,327,639 km (0.06 R)
• M55: 11,079,817 km (0.112 R)
• M56: 11,415,664 km (0.061 R)
• M57: 11,603,559 km (0.117 R)
• M58: 12,539,742 km (0.085 R)
• M59: 12,656,129 km (0.079 R)
• M60: 12,987,638 km (0.072 R)
• M61: 13,282,496 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 17,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit