🌌 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: 415.7

Radius: 8.4

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.53 AU - 0.89 AU

Year: 386 Days

Day: 14.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,216,702 km

• M1: 104,419 km (0.117 R)
• M2: 369,208 km (0.083 R)
• M3: 637,736 km (0.069 R)
• M4: 1,064,090 km (0.064 R)
• M5: 1,395,898 km (0.101 R)
• M6: 1,692,850 km (0.111 R)
• M7: 1,963,771 km (0.116 R)
• M8: 2,868,539 km (0.037 R)
• M9: 3,141,106 km (0.114 R)
• M10: 3,750,419 km (0.069 R)
• M11: 4,089,856 km (0.09 R)
• M12: 4,529,375 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.3

Radius: 13.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.69 AU - 0.81 AU

Year: 419 Days

Day: 10.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,216,702 km

• M1: 172,935 km (0.116 R)
• M2: 651,200 km (0.118 R)
• M3: 1,104,631 km (0.094 R)
• M4: 1,612,366 km (0.098 R)
• M5: 2,223,473 km (0.109 R)
• M6: 2,670,322 km (0.108 R)
• M7: 3,200,796 km (0.083 R)
• M8: 3,673,077 km (0.106 R)
• M9: 4,332,803 km (0.053 R)
• M10: 5,023,048 km (0.087 R)
• M11: 6,140,993 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13

Radius: 10.3

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.75 AU - 0.87 AU

Year: 471 Days

Day: 12.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 65,216,702 km

• M1: 138,228 km (0.111 R)
• M2: 562,488 km (0.084 R)
• M3: 1,455,737 km (0.12 R)

Asteroid Belt

Center: 1.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 11.5

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.74 AU - 2.46 AU

Year: 1965 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,216,702 km

• M1: 143,315 km (0.116 R)
• M2: 505,491 km (0.12 R)
• M3: 1,299,108 km (0.091 R)
• M4: 1,685,519 km (0.037 R)
• M5: 2,127,431 km (0.095 R)
• M6: 2,659,401 km (0.07 R)
• M7: 3,115,525 km (0.118 R)
• M8: 4,115,288 km (0.092 R)
• M9: 6,519,475 km (0.114 R)
• M10: 7,811,851 km (0.08 R)
• M11: 10,093,368 km (0.094 R)
• M12: 10,795,132 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828

Radius: 10.5

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.83 AU - 2.63 AU

Year: 2150 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 117.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,216,702 km

• M1: 130,898 km (0.1 R)
• M2: 496,665 km (0.11 R)
• M3: 897,438 km (0.108 R)
• M4: 1,412,353 km (0.108 R)
• M5: 1,810,882 km (0.085 R)
• M6: 2,515,937 km (0.029 R)
• M7: 3,043,718 km (0.097 R)
• M8: 3,517,944 km (0.106 R)
• M9: 3,848,555 km (0.086 R)
• M10: 4,530,272 km (0.088 R)
• M11: 4,990,286 km (0.114 R)
• M12: 5,751,290 km (0.106 R)
• M13: 6,344,745 km (0.065 R)
• M14: 6,753,446 km (0.105 R)
• M15: 7,267,165 km (0.106 R)
• M16: 8,023,682 km (0.108 R)
• M17: 12,487,832 km (0.09 R)
• M18: 13,661,876 km (0.108 R)
• M19: 14,023,604 km (0.045 R)
• M20: 14,578,013 km (0.057 R)
• M21: 15,388,385 km (0.106 R)
• M22: 17,892,504 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 12.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.14 AU - 4.5 AU

Year: 4821 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,216,702 km

• M1: 168,896 km (0.108 R)
• M2: 611,556 km (0.088 R)
• M3: 1,044,492 km (0.12 R)
• M4: 1,907,971 km (0.098 R)
• M5: 2,348,387 km (0.081 R)
• M6: 3,155,019 km (0.083 R)
• M7: 5,458,378 km (0.115 R)
• M8: 11,641,856 km (0.068 R)
• M9: 12,043,825 km (0.088 R)
• M10: 13,700,921 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544

Radius: 13.4

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.69 AU - 5.29 AU

Year: 6143 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,216,702 km

• M1: 168,597 km (0.092 R)
• M2: 905,366 km (0.114 R)
• M3: 1,409,810 km (0.114 R)
• M4: 1,876,556 km (0.095 R)
• M5: 2,668,527 km (0.063 R)
• M6: 3,212,315 km (0.084 R)
• M7: 3,967,036 km (0.105 R)
• M8: 5,135,695 km (0.1 R)
• M9: 6,233,145 km (0.104 R)
• M10: 6,956,451 km (0.09 R)
• M11: 7,481,090 km (0.077 R)
• M12: 8,298,643 km (0.094 R)
• M13: 9,678,384 km (0.091 R)
• M14: 10,289,042 km (0.113 R)
• M15: 13,954,489 km (0.088 R)
• M16: 17,696,680 km (0.099 R)
• M17: 20,041,477 km (0.116 R)
• M18: 20,676,520 km (0.053 R)
• M19: 22,285,445 km (0.081 R)
• M20: 23,897,661 km (0.103 R)
• M21: 28,398,762 km (0.106 R)
• M22: 30,108,516 km (0.05 R)
• M23: 31,317,117 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.6

Radius: 5.6

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.29 AU - 11.01 AU

Year: 22441 Days

Day: 23.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,216,702 km

• M1: 69,713 km (0.087 R)
• M2: 252,222 km (0.056 R)
• M3: 488,886 km (0.075 R)
• M4: 717,172 km (0.051 R)
• M5: 1,227,899 km (0.118 R)
• M6: 1,469,350 km (0.116 R)
• M7: 3,369,542 km (0.026 R)
• M8: 3,816,391 km (0.104 R)
• M9: 5,395,247 km (0.064 R)
• M10: 5,810,531 km (0.114 R)
• M11: 6,790,397 km (0.044 R)
• M12: 7,184,737 km (0.106 R)
• M13: 7,455,958 km (0.098 R)
• M14: 8,213,073 km (0.114 R)
• M15: 8,559,841 km (0.065 R)
• M16: 12,519,397 km (0.108 R)
• M17: 14,001,164 km (0.115 R)
• M18: 14,639,648 km (0.111 R)
• M19: 16,359,425 km (0.083 R)
• M20: 17,147,506 km (0.081 R)
• M21: 19,055,777 km (0.106 R)
• M22: 19,401,497 km (0.1 R)
• M23: 20,016,494 km (0.096 R)
• M24: 21,939,725 km (0.05 R)
• M25: 23,386,486 km (0.113 R)
• M26: 26,899,193 km (0.12 R)
• M27: 33,424,951 km (0.069 R)
• M28: 37,051,204 km (0.045 R)
• M29: 38,133,544 km (0.076 R)
• M30: 41,362,465 km (0.087 R)
• M31: 44,768,958 km (0.074 R)
• M32: 45,379,916 km (0.087 R)
• M33: 56,455,992 km (0.091 R)
• M34: 59,160,572 km (0.094 R)
• M35: 60,451,752 km (0.103 R)
• M36: 62,708,884 km (0.116 R)
• M37: 63,665,712 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 11,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit