🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.78 AU - 1.08 AU

Year: 409 Days

Day: 42.7 Hours

Environment

Temp: -75 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.3

Radius: 9.1

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.32 AU - 5.02 AU

Year: 3888 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,345,181 km

• M1: 113,096 km (0.098 R)
• M2: 419,323 km (0.115 R)
• M3: 905,666 km (0.062 R)
• M4: 1,384,079 km (0.114 R)
• M5: 1,821,952 km (0.059 R)
• M6: 2,137,754 km (0.108 R)
• M7: 2,461,783 km (0.108 R)
• M8: 3,366,102 km (0.084 R)
• M9: 4,628,708 km (0.092 R)
• M10: 5,128,365 km (0.114 R)
• M11: 6,049,439 km (0.102 R)
• M12: 6,398,002 km (0.082 R)
• M13: 7,018,534 km (0.057 R)
• M14: 7,433,967 km (0.091 R)
• M15: 7,834,291 km (0.086 R)
• M16: 9,689,753 km (0.106 R)
• M17: 10,130,469 km (0.036 R)
• M18: 10,623,094 km (0.093 R)
• M19: 12,070,903 km (0.098 R)
• M20: 14,059,956 km (0.109 R)
• M21: 15,651,079 km (0.102 R)
• M22: 17,520,005 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 9.7

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.07 AU - 6.97 AU

Year: 6744 Days

Day: 5.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,345,181 km

• M1: 120,875 km (0.108 R)
• M2: 483,351 km (0.046 R)
• M3: 1,654,552 km (0.118 R)
• M4: 2,116,660 km (0.075 R)
• M5: 2,798,976 km (0.064 R)
• M6: 3,838,083 km (0.086 R)
• M7: 4,486,590 km (0.1 R)
• M8: 5,086,328 km (0.111 R)
• M9: 7,477,500 km (0.034 R)
• M10: 7,791,655 km (0.099 R)
• M11: 8,874,146 km (0.039 R)
• M12: 9,406,265 km (0.029 R)
• M13: 13,746,548 km (0.109 R)
• M14: 14,580,556 km (0.076 R)
• M15: 16,153,279 km (0.036 R)
• M16: 17,081,833 km (0.069 R)
• M17: 20,460,202 km (0.106 R)
• M18: 22,917,496 km (0.099 R)
• M19: 23,498,385 km (0.115 R)
• M20: 27,285,006 km (0.113 R)
• M21: 28,126,045 km (0.091 R)
• M22: 29,761,748 km (0.052 R)
• M23: 33,116,181 km (0.085 R)
• M24: 39,846,440 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 9.6

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.17 AU - 8.51 AU

Year: 8167 Days

Day: 12.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,345,181 km

• M1: 124,017 km (0.111 R)
• M2: 513,420 km (0.068 R)
• M3: 1,030,430 km (0.092 R)
• M4: 1,405,771 km (0.101 R)
• M5: 1,980,377 km (0.052 R)
• M6: 2,532,094 km (0.057 R)
• M7: 3,117,769 km (0.061 R)
• M8: 4,071,007 km (0.119 R)
• M9: 4,701,113 km (0.089 R)
• M10: 5,331,818 km (0.045 R)
• M11: 5,849,426 km (0.105 R)
• M12: 7,526,119 km (0.031 R)
• M13: 9,000,705 km (0.101 R)
• M14: 9,594,759 km (0.096 R)
• M15: 10,810,092 km (0.032 R)
• M16: 11,219,990 km (0.073 R)
• M17: 12,400,766 km (0.081 R)
• M18: 13,136,339 km (0.083 R)
• M19: 14,081,199 km (0.109 R)
• M20: 17,187,898 km (0.088 R)
• M21: 19,496,043 km (0.068 R)
• M22: 21,039,295 km (0.11 R)
• M23: 26,064,736 km (0.103 R)
• M24: 32,046,108 km (0.119 R)
• M25: 34,190,444 km (0.076 R)
• M26: 38,406,860 km (0.072 R)
• M27: 39,724,219 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.8

Radius: 10.5

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.71 AU - 7.31 AU

Year: 8474 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,345,181 km

• M1: 130,599 km (0.088 R)
• M2: 492,327 km (0.092 R)
• M3: 938,278 km (0.069 R)
• M4: 2,115,164 km (0.04 R)
• M5: 3,529,313 km (0.073 R)
• M6: 5,519,114 km (0.05 R)
• M7: 6,592,030 km (0.115 R)
• M8: 7,963,543 km (0.109 R)
• M9: 8,894,341 km (0.109 R)
• M10: 10,484,268 km (0.07 R)
• M11: 10,930,219 km (0.11 R)
• M12: 16,006,972 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 284.8

Radius: 6.1

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.1 AU - 11 AU

Year: 13474 Days

Day: 23.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,345,181 km

• M1: 80,932 km (0.098 R)
• M2: 289,921 km (0.118 R)
• M3: 585,526 km (0.076 R)
• M4: 1,095,056 km (0.087 R)
• M5: 1,670,260 km (0.106 R)
• M6: 2,159,744 km (0.041 R)
• M7: 3,993,216 km (0.112 R)
• M8: 4,372,147 km (0.096 R)
• M9: 4,864,025 km (0.112 R)
• M10: 5,456,732 km (0.111 R)
• M11: 5,753,833 km (0.082 R)
• M12: 6,598,912 km (0.111 R)
• M13: 7,933,773 km (0.094 R)
• M14: 8,664,709 km (0.1 R)
• M15: 9,723,712 km (0.111 R)
• M16: 11,126,192 km (0.062 R)
• M17: 11,985,482 km (0.063 R)
• M18: 12,431,433 km (0.074 R)
• M19: 13,297,156 km (0.064 R)
• M20: 15,669,180 km (0.035 R)
• M21: 16,067,858 km (0.069 R)
• M22: 17,234,273 km (0.084 R)
• M23: 18,236,280 km (0.094 R)
• M24: 21,884,373 km (0.112 R)
• M25: 23,660,998 km (0.089 R)
• M26: 25,167,747 km (0.11 R)
• M27: 28,864,311 km (0.077 R)
• M28: 31,520,122 km (0.097 R)
• M29: 33,890,949 km (0.028 R)
• M30: 35,232,991 km (0.067 R)
• M31: 39,349,027 km (0.061 R)
• M32: 39,962,079 km (0.096 R)
• M33: 40,456,949 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.3

Radius: 3.5

Gravity: 79.53 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.79 AU - 10.77 AU

Year: 13964 Days

Day: 23.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,345,181 km

• M1: 43,533 km (0.074 R)
• M2: 275,260 km (0.065 R)
• M3: 894,894 km (0.111 R)
• M4: 1,199,326 km (0.065 R)
• M5: 1,489,546 km (0.112 R)
• M6: 1,719,179 km (0.101 R)
• M7: 2,353,922 km (0.106 R)
• M8: 2,904,443 km (0.103 R)
• M9: 3,452,569 km (0.118 R)
• M10: 3,974,666 km (0.053 R)
• M11: 8,866,516 km (0.064 R)
• M12: 9,129,659 km (0.113 R)
• M13: 9,343,883 km (0.099 R)
• M14: 9,616,301 km (0.064 R)
• M15: 11,058,574 km (0.115 R)
• M16: 11,240,784 km (0.112 R)
• M17: 13,448,400 km (0.115 R)
• M18: 14,508,151 km (0.03 R)
• M19: 15,095,472 km (0.103 R)
• M20: 16,792,062 km (0.041 R)
• M21: 20,467,233 km (0.053 R)
• M22: 21,486,593 km (0.089 R)
• M23: 24,438,159 km (0.109 R)
• M24: 28,664,149 km (0.11 R)
• M25: 28,893,183 km (0.077 R)
• M26: 30,888,819 km (0.101 R)
• M27: 33,605,366 km (0.086 R)
• M28: 34,891,160 km (0.117 R)
• M29: 35,283,107 km (0.111 R)
• M30: 36,342,858 km (0.11 R)
• M31: 38,804,640 km (0.09 R)
• M32: 47,489,096 km (0.043 R)
• M33: 48,943,038 km (0.101 R)
• M34: 50,094,193 km (0.117 R)
• M35: 52,450,509 km (0.064 R)
• M36: 58,111,442 km (0.087 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: 376 - 16,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit