🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.48 AU - 0.58 AU

Year: 249 Days

Day: 26.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,372,138 km

• M1: 175,329 km (0.099 R)

Asteroid Belt

Center: 0.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 12.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.1 AU - 1.22 AU

Year: 807 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,372,138 km

• M1: 159,172 km (0.083 R)
• M2: 621,729 km (0.069 R)
• M3: 1,434,644 km (0.071 R)
• M4: 2,450,114 km (0.111 R)
• M5: 4,427,947 km (0.12 R)
• M6: 4,883,473 km (0.056 R)
• M7: 5,718,229 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.2

Radius: 8.4

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.63 AU - 5.93 AU

Year: 6748 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,372,138 km

• M1: 104,569 km (0.062 R)
• M2: 444,156 km (0.09 R)
• M3: 996,023 km (0.095 R)
• M4: 1,302,698 km (0.083 R)
• M5: 1,644,978 km (0.097 R)
• M6: 2,212,104 km (0.045 R)
• M7: 2,645,638 km (0.079 R)
• M8: 3,517,046 km (0.108 R)
• M9: 3,805,321 km (0.071 R)
• M10: 4,512,321 km (0.112 R)
• M11: 5,090,217 km (0.105 R)
• M12: 5,491,887 km (0.118 R)
• M13: 5,947,862 km (0.098 R)
• M14: 6,898,407 km (0.096 R)
• M15: 7,705,188 km (0.073 R)
• M16: 8,573,454 km (0.116 R)
• M17: 8,876,988 km (0.104 R)
• M18: 9,551,375 km (0.12 R)
• M19: 10,405,429 km (0.092 R)
• M20: 13,504,349 km (0.116 R)
• M21: 15,074,529 km (0.111 R)
• M22: 16,362,566 km (0.086 R)
• M23: 16,762,890 km (0.093 R)
• M24: 17,238,163 km (0.084 R)
• M25: 17,862,435 km (0.043 R)
• M26: 21,767,986 km (0.086 R)
• M27: 22,579,255 km (0.097 R)
• M28: 24,782,832 km (0.074 R)
• M29: 29,416,477 km (0.111 R)
• M30: 31,114,712 km (0.1 R)
• M31: 32,771,957 km (0.119 R)
• M32: 33,837,094 km (0.099 R)
• M33: 36,942,297 km (0.084 R)
• M34: 37,516,004 km (0.114 R)
• M35: 39,273,031 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.1

Radius: 13.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.47 AU - 6.39 AU

Year: 8170 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,372,138 km

• M1: 165,455 km (0.12 R)
• M2: 784,192 km (0.086 R)
• M3: 1,203,515 km (0.096 R)
• M4: 1,823,897 km (0.108 R)
• M5: 2,369,331 km (0.052 R)
• M6: 3,198,552 km (0.076 R)
• M7: 4,961,563 km (0.095 R)
• M8: 6,761,225 km (0.097 R)
• M9: 8,514,662 km (0.118 R)
• M10: 9,616,450 km (0.09 R)
• M11: 13,136,339 km (0.095 R)
• M12: 13,857,849 km (0.067 R)
• M13: 17,152,593 km (0.119 R)
• M14: 17,796,611 km (0.115 R)
• M15: 18,382,736 km (0.106 R)
• M16: 18,981,576 km (0.039 R)
• M17: 19,982,536 km (0.106 R)
• M18: 20,776,152 km (0.042 R)
• M19: 25,707,347 km (0.066 R)
• M20: 27,901,050 km (0.086 R)
• M21: 33,426,298 km (0.111 R)
• M22: 33,982,503 km (0.032 R)
• M23: 35,113,463 km (0.057 R)
• M24: 38,535,065 km (0.08 R)
• M25: 42,953,289 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.5

Radius: 6.9

Gravity: 16.1 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.44 AU - 10.06 AU

Year: 16712 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 110.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,372,138 km

• M1: 86,019 km (0.088 R)
• M2: 394,490 km (0.095 R)
• M3: 1,053,468 km (0.072 R)
• M4: 1,882,689 km (0.109 R)
• M5: 2,693,809 km (0.094 R)
• M6: 2,910,277 km (0.117 R)
• M7: 3,631,189 km (0.084 R)
• M8: 4,080,132 km (0.086 R)
• M9: 4,839,641 km (0.073 R)
• M10: 9,590,719 km (0.093 R)
• M11: 17,092,305 km (0.044 R)
• M12: 20,117,473 km (0.113 R)
• M13: 23,380,651 km (0.059 R)
• M14: 24,926,296 km (0.115 R)
• M15: 27,091,426 km (0.041 R)
• M16: 28,679,557 km (0.102 R)
• M17: 32,165,038 km (0.099 R)
• M18: 37,698,215 km (0.074 R)
• M19: 38,396,537 km (0.051 R)
• M20: 53,705,336 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.2

Radius: 4.4

Gravity: 50.99 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.85 AU - 9.67 AU

Year: 18194 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,372,138 km

• M1: 69,713 km (0.114 R)
• M2: 212,279 km (0.089 R)
• M3: 366,814 km (0.101 R)
• M4: 565,330 km (0.07 R)
• M5: 1,155,494 km (0.093 R)
• M6: 3,280,382 km (0.094 R)
• M7: 4,040,638 km (0.093 R)
• M8: 4,874,946 km (0.108 R)
• M9: 5,100,240 km (0.058 R)
• M10: 9,254,124 km (0.116 R)
• M11: 9,775,772 km (0.091 R)
• M12: 11,458,449 km (0.053 R)
• M13: 11,656,516 km (0.03 R)
• M14: 11,856,978 km (0.072 R)
• M15: 12,059,683 km (0.08 R)
• M16: 13,036,258 km (0.118 R)
• M17: 13,397,537 km (0.071 R)
• M18: 14,064,593 km (0.076 R)
• M19: 15,787,811 km (0.086 R)
• M20: 18,811,483 km (0.027 R)
• M21: 19,087,342 km (0.114 R)
• M22: 24,198,802 km (0.098 R)
• M23: 25,075,296 km (0.067 R)
• M24: 25,409,348 km (0.114 R)
• M25: 29,282,736 km (0.092 R)
• M26: 34,483,057 km (0.064 R)
• M27: 36,014,042 km (0.049 R)
• M28: 38,468,344 km (0.113 R)
• M29: 40,266,361 km (0.112 R)
• M30: 43,546,295 km (0.111 R)
• M31: 45,333,391 km (0.038 R)
• M32: 48,534,336 km (0.114 R)
• M33: 49,750,567 km (0.057 R)
• M34: 53,705,336 km (0.102 R)
• M35: 62,233,163 km (0.059 R)
• M36: 78,533,497 km (0.043 R)
• M37: 79,248,425 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.7

Radius: 6.5

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.59 AU - 12.19 AU

Year: 21624 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 60,372,138 km

• M1: 81,082 km (0.108 R)
• M2: 655,239 km (0.099 R)
• M3: 924,814 km (0.05 R)
• M4: 1,321,099 km (0.044 R)
• M5: 2,870,484 km (0.036 R)
• M6: 3,997,704 km (0.048 R)
• M7: 4,807,776 km (0.116 R)
• M8: 7,261,331 km (0.064 R)
• M9: 7,708,030 km (0.101 R)
• M10: 8,558,345 km (0.096 R)
• M11: 10,387,927 km (0.073 R)
• M12: 10,782,865 km (0.093 R)
• M13: 11,129,184 km (0.109 R)
• M14: 13,168,951 km (0.049 R)
• M15: 16,485,985 km (0.052 R)
• M16: 21,842,636 km (0.107 R)
• M17: 23,247,210 km (0.09 R)
• M18: 25,414,584 km (0.07 R)
• M19: 27,073,026 km (0.081 R)
• M20: 28,254,251 km (0.065 R)
• M21: 29,134,634 km (0.092 R)
• M22: 31,649,823 km (0.117 R)
• M23: 43,740,772 km (0.106 R)
• M24: 46,267,629 km (0.04 R)
• M25: 48,264,312 km (0.089 R)
• M26: 56,306,993 km (0.041 R)
• M27: 59,293,415 km (0.027 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 14,836 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit