🌌 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 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.7

Radius: 13.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.46 AU - 0.64 AU

Year: 282 Days

Day: 7.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,056,647 km

• M1: 166,652 km (0.076 R)
• M2: 758,760 km (0.059 R)
• M3: 1,374,655 km (0.104 R)
• M4: 1,803,103 km (0.116 R)
• M5: 2,636,513 km (0.117 R)
• M6: 3,637,023 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.1

Radius: 8.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.78 AU - 1.08 AU

Year: 619 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,056,647 km

• M1: 104,569 km (0.094 R)
• M2: 475,272 km (0.053 R)
• M3: 772,823 km (0.07 R)
• M4: 1,202,916 km (0.118 R)
• M5: 1,546,692 km (0.119 R)
• M6: 1,834,818 km (0.098 R)
• M7: 2,104,992 km (0.09 R)
• M8: 2,644,890 km (0.028 R)
• M9: 3,110,589 km (0.038 R)
• M10: 3,846,610 km (0.057 R)
• M11: 4,144,759 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.7

Radius: 14.5

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.84 AU - 1.06 AU

Year: 639 Days

Day: 6 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,056,647 km

• M1: 194,776 km (0.112 R)
• M2: 760,107 km (0.074 R)
• M3: 1,633,609 km (0.109 R)
• M4: 2,259,975 km (0.101 R)
• M5: 2,984,627 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.4

Radius: 14

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.93 AU - 1.25 AU

Year: 786 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 88,056,647 km

• M1: 175,927 km (0.118 R)
• M2: 643,869 km (0.049 R)
• M3: 1,339,499 km (0.056 R)
• M4: 2,097,063 km (0.073 R)
• M5: 2,647,583 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 11.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.17 AU - 1.59 AU

Year: 1119 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,056,647 km

• M1: 147,354 km (0.045 R)
• M2: 520,750 km (0.104 R)
• M3: 1,087,277 km (0.119 R)
• M4: 1,520,064 km (0.025 R)
• M5: 2,209,860 km (0.101 R)
• M6: 3,453,616 km (0.119 R)
• M7: 4,148,199 km (0.105 R)
• M8: 4,632,597 km (0.085 R)
• M9: 5,635,651 km (0.116 R)
• M10: 6,295,378 km (0.105 R)
• M11: 7,168,281 km (0.073 R)
• M12: 8,429,391 km (0.072 R)
• M13: 9,320,845 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.6

Radius: 6

Gravity: 19.24 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.15 AU - 6.19 AU

Year: 10579 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,056,647 km

• M1: 74,649 km (0.075 R)
• M2: 422,165 km (0.093 R)
• M3: 817,104 km (0.03 R)
• M4: 1,067,231 km (0.111 R)
• M5: 1,755,232 km (0.11 R)
• M6: 2,000,423 km (0.097 R)
• M7: 2,231,402 km (0.119 R)
• M8: 2,539,873 km (0.107 R)
• M9: 2,832,935 km (0.063 R)
• M10: 4,960,815 km (0.042 R)
• M11: 5,419,781 km (0.089 R)
• M12: 6,651,570 km (0.047 R)
• M13: 7,971,622 km (0.113 R)
• M14: 9,359,591 km (0.111 R)
• M15: 10,317,616 km (0.083 R)
• M16: 10,793,636 km (0.05 R)
• M17: 12,134,332 km (0.095 R)
• M18: 13,148,755 km (0.096 R)
• M19: 15,074,828 km (0.117 R)
• M20: 16,889,749 km (0.114 R)
• M21: 18,923,682 km (0.117 R)
• M22: 20,614,287 km (0.095 R)
• M23: 20,947,292 km (0.112 R)
• M24: 22,054,616 km (0.099 R)
• M25: 26,974,291 km (0.07 R)
• M26: 28,283,871 km (0.117 R)
• M27: 33,601,028 km (0.051 R)
• M28: 34,762,356 km (0.088 R)
• M29: 36,554,090 km (0.07 R)
• M30: 39,675,749 km (0.087 R)
• M31: 46,585,824 km (0.111 R)
• M32: 47,883,137 km (0.072 R)
• M33: 48,614,072 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995

Radius: 3.4

Gravity: 86.07 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.13 AU - 10.15 AU

Year: 20660 Days

Day: 16.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 88,056,647 km

• M1: 42,336 km (0.117 R)
• M2: 205,996 km (0.103 R)
• M3: 636,539 km (0.08 R)
• M4: 1,243,906 km (0.099 R)
• M5: 1,518,867 km (0.083 R)
• M6: 5,025,890 km (0.063 R)
• M7: 6,378,554 km (0.073 R)
• M8: 6,563,158 km (0.099 R)
• M9: 7,746,028 km (0.092 R)
• M10: 10,083,345 km (0.119 R)
• M11: 10,652,715 km (0.099 R)
• M12: 13,824,489 km (0.117 R)
• M13: 17,482,755 km (0.115 R)
• M14: 20,515,104 km (0.119 R)
• M15: 27,716,745 km (0.072 R)
• M16: 38,831,119 km (0.069 R)
• M17: 39,911,515 km (0.069 R)
• M18: 42,293,412 km (0.097 R)
• M19: 44,266,010 km (0.045 R)
• M20: 46,990,187 km (0.101 R)
• M21: 48,570,539 km (0.096 R)
• M22: 52,208,759 km (0.078 R)
• M23: 59,817,307 km (0.044 R)
• M24: 62,299,136 km (0.053 R)
• M25: 62,929,990 km (0.085 R)
• M26: 78,399,457 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 16,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit