🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.49 AU - 0.63 AU

Year: 275 Days

Day: 41.8 Hours

Environment

Temp: -127 °C

Axial Tilt: 164.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,562,667 km

• M1: 186,249 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 8.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.98 AU - 1.14 AU

Year: 716 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,562,667 km

• M1: 100,829 km (0.074 R)
• M2: 444,306 km (0.112 R)
• M3: 793,617 km (0.088 R)
• M4: 1,148,313 km (0.105 R)
• M5: 1,418,188 km (0.089 R)
• M6: 1,752,988 km (0.071 R)
• M7: 2,219,135 km (0.111 R)
• M8: 2,714,304 km (0.113 R)
• M9: 3,043,269 km (0.114 R)
• M10: 3,482,938 km (0.093 R)
• M11: 3,769,118 km (0.102 R)
• M12: 4,889,606 km (0.063 R)
• M13: 5,813,523 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.3

Radius: 11.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.17 AU - 1.51 AU

Year: 1018 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,562,667 km

• M1: 143,165 km (0.103 R)
• M2: 564,882 km (0.086 R)
• M3: 1,005,746 km (0.074 R)
• M4: 1,380,340 km (0.112 R)
• M5: 1,746,256 km (0.116 R)
• M6: 2,248,306 km (0.074 R)
• M7: 2,704,281 km (0.118 R)
• M8: 3,143,799 km (0.111 R)
• M9: 3,602,616 km (0.101 R)
• M10: 4,440,065 km (0.072 R)
• M11: 6,289,842 km (0.081 R)
• M12: 7,667,639 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 11.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.81 AU - 2.27 AU

Year: 1911 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,562,667 km

• M1: 140,472 km (0.089 R)
• M2: 514,467 km (0.115 R)
• M3: 979,268 km (0.102 R)
• M4: 1,402,779 km (0.091 R)
• M5: 2,437,099 km (0.118 R)
• M6: 2,964,132 km (0.087 R)
• M7: 3,989,326 km (0.073 R)
• M8: 4,391,445 km (0.07 R)
• M9: 6,465,620 km (0.114 R)
• M10: 6,973,056 km (0.089 R)
• M11: 7,797,191 km (0.115 R)
• M12: 9,094,354 km (0.093 R)
• M13: 10,141,988 km (0.065 R)
• M14: 11,614,779 km (0.118 R)
• M15: 12,004,332 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 10.5

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.66 AU - 4.42 AU

Year: 4369 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,562,667 km

• M1: 130,749 km (0.042 R)
• M2: 538,552 km (0.116 R)
• M3: 1,073,365 km (0.088 R)
• M4: 1,422,676 km (0.084 R)
• M5: 1,822,401 km (0.104 R)
• M6: 2,159,894 km (0.091 R)
• M7: 2,573,083 km (0.106 R)
• M8: 2,963,683 km (0.112 R)
• M9: 3,393,927 km (0.055 R)
• M10: 4,994,175 km (0.118 R)
• M11: 5,349,919 km (0.104 R)
• M12: 6,552,387 km (0.107 R)
• M13: 7,080,916 km (0.118 R)
• M14: 7,531,056 km (0.076 R)
• M15: 8,223,245 km (0.089 R)
• M16: 9,903,828 km (0.073 R)
• M17: 10,291,735 km (0.108 R)
• M18: 10,779,723 km (0.044 R)
• M19: 11,190,519 km (0.049 R)
• M20: 12,238,602 km (0.108 R)
• M21: 12,635,635 km (0.069 R)
• M22: 13,041,045 km (0.088 R)
• M23: 14,147,171 km (0.088 R)
• M24: 18,937,594 km (0.113 R)
• M25: 19,738,841 km (0.118 R)
• M26: 20,912,286 km (0.111 R)
• M27: 22,204,662 km (0.034 R)
• M28: 24,790,312 km (0.102 R)
• M29: 25,266,482 km (0.095 R)
• M30: 27,654,962 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 10.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.14 AU - 5.34 AU

Year: 7869 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,562,667 km

• M1: 154,235 km (0.086 R)
• M2: 489,335 km (0.098 R)
• M3: 940,073 km (0.065 R)
• M4: 1,330,224 km (0.107 R)
• M5: 1,842,597 km (0.092 R)
• M6: 2,892,325 km (0.113 R)
• M7: 3,286,815 km (0.03 R)
• M8: 3,781,685 km (0.076 R)
• M9: 5,239,665 km (0.092 R)
• M10: 5,800,358 km (0.113 R)
• M11: 7,378,317 km (0.11 R)
• M12: 8,303,729 km (0.118 R)
• M13: 8,717,816 km (0.045 R)
• M14: 10,557,571 km (0.081 R)
• M15: 11,089,092 km (0.047 R)
• M16: 11,778,439 km (0.095 R)
• M17: 12,301,882 km (0.08 R)
• M18: 16,411,784 km (0.1 R)
• M19: 16,825,572 km (0.091 R)
• M20: 17,921,825 km (0.093 R)
• M21: 20,054,343 km (0.093 R)
• M22: 21,426,155 km (0.034 R)
• M23: 23,450,513 km (0.084 R)
• M24: 24,432,474 km (0.085 R)
• M25: 25,837,048 km (0.104 R)
• M26: 27,130,023 km (0.056 R)
• M27: 28,296,437 km (0.112 R)

Asteroid Belt

Center: 5.92 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.1

Radius: 7.6

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.04 AU - 7.14 AU

Year: 11098 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 34,562,667 km

• M1: 94,845 km (0.12 R)
• M2: 368,460 km (0.077 R)
• M3: 664,663 km (0.115 R)
• M4: 1,024,147 km (0.094 R)
• M5: 1,951,504 km (0.102 R)
• M6: 2,248,755 km (0.114 R)
• M7: 2,678,550 km (0.074 R)
• M8: 3,185,088 km (0.117 R)
• M9: 4,359,731 km (0.077 R)
• M10: 4,871,056 km (0.115 R)
• M11: 5,125,223 km (0.111 R)
• M12: 5,523,004 km (0.066 R)
• M13: 6,455,896 km (0.058 R)
• M14: 7,700,700 km (0.106 R)
• M15: 12,741,699 km (0.083 R)
• M16: 13,164,613 km (0.119 R)
• M17: 14,620,200 km (0.108 R)
• M18: 16,891,844 km (0.069 R)
• M19: 19,151,968 km (0.056 R)
• M20: 20,766,279 km (0.113 R)
• M21: 22,469,151 km (0.071 R)
• M22: 24,819,334 km (0.1 R)
• M23: 27,229,206 km (0.106 R)
• M24: 28,235,252 km (0.103 R)
• M25: 28,850,697 km (0.049 R)
• M26: 31,402,239 km (0.082 R)
• M27: 32,620,414 km (0.072 R)
• M28: 36,584,758 km (0.111 R)
• M29: 37,685,499 km (0.095 R)
• M30: 37,933,083 km (0.048 R)
• M31: 38,181,865 km (0.116 R)
• M32: 40,989,368 km (0.12 R)
• M33: 44,481,281 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.2

Radius: 6.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.95 AU - 9.55 AU

Year: 14153 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,562,667 km

• M1: 87,216 km (0.039 R)
• M2: 308,620 km (0.111 R)
• M3: 576,849 km (0.057 R)
• M4: 934,538 km (0.114 R)
• M5: 1,419,385 km (0.1 R)
• M6: 1,644,978 km (0.097 R)
• M7: 2,028,547 km (0.096 R)
• M8: 6,632,122 km (0.12 R)
• M9: 13,381,829 km (0.103 R)
• M10: 14,917,900 km (0.103 R)
• M11: 16,128,894 km (0.029 R)
• M12: 16,822,281 km (0.079 R)
• M13: 19,090,783 km (0.109 R)
• M14: 22,473,789 km (0.093 R)
• M15: 28,811,503 km (0.115 R)
• M16: 30,970,499 km (0.04 R)
• M17: 32,138,709 km (0.076 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 17,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit