🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 12.5

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.13 AU - 1.35 AU

Year: 906 Days

Day: 7.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,545,711 km

• M1: 155,432 km (0.054 R)
• M2: 712,535 km (0.064 R)
• M3: 1,672,205 km (0.094 R)
• M4: 4,001,593 km (0.057 R)
• M5: 5,059,400 km (0.108 R)
• M6: 6,534,136 km (0.115 R)
• M7: 7,076,727 km (0.09 R)
• M8: 7,551,701 km (0.091 R)
• M9: 7,946,938 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 11.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.3 AU - 1.46 AU

Year: 1063 Days

Day: 10.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,545,711 km

• M1: 146,756 km (0.11 R)
• M2: 518,805 km (0.059 R)
• M3: 1,012,179 km (0.104 R)
• M4: 1,509,742 km (0.09 R)
• M5: 1,951,205 km (0.113 R)
• M6: 2,478,986 km (0.053 R)
• M7: 2,914,615 km (0.102 R)
• M8: 4,157,624 km (0.111 R)
• M9: 5,726,158 km (0.097 R)

Asteroid Belt

Center: 2.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 11.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.4 AU - 3.92 AU

Year: 3685 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,545,711 km

• M1: 147,952 km (0.11 R)
• M2: 677,978 km (0.091 R)
• M3: 1,051,823 km (0.094 R)
• M4: 2,255,188 km (0.11 R)
• M5: 2,750,656 km (0.066 R)
• M6: 4,346,566 km (0.098 R)
• M7: 6,218,783 km (0.068 R)
• M8: 7,200,744 km (0.097 R)
• M9: 7,590,746 km (0.074 R)
• M10: 9,685,714 km (0.032 R)
• M11: 10,847,042 km (0.064 R)
• M12: 13,000,354 km (0.094 R)
• M13: 16,953,029 km (0.106 R)
• M14: 17,808,280 km (0.091 R)
• M15: 18,692,104 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.9

Radius: 8.3

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.63 AU - 5.69 AU

Year: 8834 Days

Day: 8.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,545,711 km

• M1: 106,065 km (0.035 R)
• M2: 381,923 km (0.104 R)
• M3: 774,767 km (0.027 R)
• M4: 1,059,452 km (0.113 R)
• M5: 1,946,119 km (0.111 R)
• M6: 2,276,730 km (0.029 R)
• M7: 3,702,697 km (0.096 R)
• M8: 4,679,571 km (0.104 R)
• M9: 5,115,200 km (0.109 R)
• M10: 6,212,650 km (0.108 R)
• M11: 6,777,980 km (0.11 R)
• M12: 7,214,058 km (0.108 R)
• M13: 8,011,116 km (0.038 R)
• M14: 8,319,138 km (0.112 R)
• M15: 8,726,941 km (0.108 R)
• M16: 9,053,214 km (0.113 R)
• M17: 9,779,811 km (0.083 R)
• M18: 13,383,774 km (0.089 R)
• M19: 15,855,878 km (0.057 R)
• M20: 16,412,682 km (0.068 R)
• M21: 17,787,187 km (0.113 R)
• M22: 18,540,711 km (0.047 R)
• M23: 20,928,892 km (0.103 R)
• M24: 23,514,841 km (0.051 R)
• M25: 26,988,503 km (0.107 R)
• M26: 28,591,145 km (0.114 R)
• M27: 32,316,431 km (0.119 R)
• M28: 32,986,031 km (0.102 R)
• M29: 38,804,341 km (0.119 R)
• M30: 41,494,560 km (0.043 R)
• M31: 42,952,241 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.2

Radius: 5

Gravity: 32.97 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.47 AU - 9.13 AU

Year: 17125 Days

Day: 18.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,545,711 km

• M1: 62,532 km (0.109 R)
• M2: 222,302 km (0.089 R)
• M3: 523,892 km (0.112 R)
• M4: 1,228,947 km (0.087 R)
• M5: 1,403,677 km (0.096 R)
• M6: 1,822,102 km (0.068 R)
• M7: 2,255,337 km (0.066 R)
• M8: 2,877,665 km (0.077 R)
• M9: 3,607,702 km (0.08 R)
• M10: 3,846,012 km (0.066 R)
• M11: 4,354,046 km (0.028 R)
• M12: 4,941,666 km (0.05 R)
• M13: 6,885,092 km (0.108 R)
• M14: 8,176,122 km (0.034 R)
• M15: 8,905,561 km (0.104 R)
• M16: 9,452,341 km (0.097 R)
• M17: 11,164,788 km (0.097 R)
• M18: 11,607,149 km (0.056 R)
• M19: 13,143,071 km (0.117 R)
• M20: 15,266,313 km (0.098 R)
• M21: 18,819,562 km (0.118 R)
• M22: 19,901,454 km (0.116 R)
• M23: 25,719,614 km (0.119 R)
• M24: 27,390,024 km (0.099 R)
• M25: 29,369,054 km (0.055 R)
• M26: 33,478,807 km (0.04 R)
• M27: 34,662,724 km (0.06 R)
• M28: 37,533,358 km (0.049 R)
• M29: 42,816,107 km (0.089 R)
• M30: 43,432,002 km (0.052 R)
• M31: 45,156,117 km (0.07 R)
• M32: 47,580,052 km (0.114 R)
• M33: 49,411,728 km (0.065 R)
• M34: 53,926,891 km (0.077 R)
• M35: 61,203,481 km (0.058 R)
• M36: 61,593,333 km (0.096 R)
• M37: 65,379,805 km (0.114 R)
• M38: 67,641,425 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.7

Radius: 4.1

Gravity: 37.52 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.54 AU - 10.38 AU

Year: 20620 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,545,711 km

• M1: 51,013 km (0.092 R)
• M2: 191,485 km (0.064 R)
• M3: 360,232 km (0.071 R)
• M4: 1,147,715 km (0.11 R)
• M5: 1,288,187 km (0.097 R)
• M6: 2,571,438 km (0.028 R)
• M7: 3,457,207 km (0.113 R)
• M8: 4,810,469 km (0.088 R)
• M9: 5,644,178 km (0.088 R)
• M10: 7,889,044 km (0.102 R)
• M11: 8,244,488 km (0.108 R)
• M12: 8,610,554 km (0.073 R)
• M13: 9,601,491 km (0.092 R)
• M14: 10,302,955 km (0.066 R)
• M15: 11,418,207 km (0.074 R)
• M16: 11,741,638 km (0.057 R)
• M17: 13,097,144 km (0.058 R)
• M18: 13,238,215 km (0.104 R)
• M19: 13,812,521 km (0.083 R)
• M20: 17,783,596 km (0.087 R)
• M21: 20,975,716 km (0.087 R)
• M22: 21,265,936 km (0.066 R)
• M23: 23,684,335 km (0.082 R)
• M24: 24,210,321 km (0.075 R)
• M25: 24,959,657 km (0.106 R)
• M26: 26,280,008 km (0.115 R)
• M27: 28,346,852 km (0.112 R)
• M28: 28,820,329 km (0.117 R)
• M29: 29,299,192 km (0.088 R)
• M30: 37,131,687 km (0.045 R)
• M31: 37,841,081 km (0.095 R)
• M32: 40,769,309 km (0.095 R)
• M33: 44,478,140 km (0.111 R)
• M34: 46,087,663 km (0.073 R)
• M35: 48,912,221 km (0.101 R)
• M36: 50,108,106 km (0.109 R)
• M37: 54,174,475 km (0.117 R)
• M38: 59,414,739 km (0.109 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: 372 - 15,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit