🌌 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: 873.6

Radius: 10.9

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.7 AU - 0.72 AU

Year: 413 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 87.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,127,352 km

• M1: 136,134 km (0.093 R)
• M2: 482,154 km (0.077 R)
• M3: 824,284 km (0.092 R)
• M4: 1,185,264 km (0.075 R)
• M5: 1,905,877 km (0.102 R)
• M6: 2,273,140 km (0.064 R)
• M7: 3,029,357 km (0.114 R)
• M8: 3,521,833 km (0.045 R)
• M9: 4,475,968 km (0.115 R)
• M10: 5,116,995 km (0.115 R)
• M11: 5,476,479 km (0.099 R)
• M12: 5,818,011 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.1

Radius: 12.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.7 AU - 0.74 AU

Year: 422 Days

Day: 10.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 65.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,127,352 km

• M1: 155,432 km (0.049 R)
• M2: 606,320 km (0.098 R)
• M3: 1,022,053 km (0.115 R)
• M4: 1,411,456 km (0.118 R)
• M5: 1,837,211 km (0.051 R)
• M6: 2,857,020 km (0.103 R)
• M7: 3,573,893 km (0.078 R)
• M8: 4,082,376 km (0.104 R)
• M9: 4,666,406 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.2

Radius: 11.3

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.79 AU - 1.23 AU

Year: 701 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,127,352 km

• M1: 140,772 km (0.084 R)
• M2: 509,231 km (0.052 R)
• M3: 1,202,916 km (0.12 R)
• M4: 1,558,062 km (0.094 R)
• M5: 1,976,337 km (0.113 R)
• M6: 2,345,994 km (0.031 R)
• M7: 3,010,956 km (0.093 R)
• M8: 3,529,463 km (0.089 R)
• M9: 4,275,208 km (0.104 R)
• M10: 4,716,372 km (0.114 R)
• M11: 5,302,197 km (0.042 R)
• M12: 5,900,439 km (0.095 R)
• M13: 6,355,067 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.9

Radius: 8.7

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.11 AU - 1.37 AU

Year: 953 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,127,352 km

• M1: 108,159 km (0.099 R)
• M2: 437,275 km (0.089 R)
• M3: 759,508 km (0.104 R)
• M4: 1,060,200 km (0.097 R)
• M5: 1,339,948 km (0.071 R)
• M6: 2,033,334 km (0.12 R)
• M7: 2,987,619 km (0.077 R)
• M8: 3,572,397 km (0.114 R)
• M9: 4,317,095 km (0.11 R)
• M10: 5,299,056 km (0.115 R)
• M11: 5,705,962 km (0.079 R)
• M12: 6,046,447 km (0.096 R)
• M13: 6,333,076 km (0.084 R)
• M14: 7,571,447 km (0.097 R)
• M15: 8,009,470 km (0.081 R)
• M16: 8,409,794 km (0.092 R)
• M17: 8,879,531 km (0.031 R)
• M18: 9,395,943 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.4

Radius: 12.8

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.24 AU - 1.4 AU

Year: 1047 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,127,352 km

• M1: 159,471 km (0.115 R)
• M2: 562,937 km (0.059 R)
• M3: 1,064,987 km (0.066 R)
• M4: 1,743,713 km (0.085 R)
• M5: 2,920,150 km (0.044 R)
• M6: 3,680,706 km (0.075 R)
• M7: 4,926,407 km (0.048 R)
• M8: 5,717,331 km (0.099 R)
• M9: 6,413,859 km (0.057 R)
• M10: 7,775,050 km (0.078 R)
• M11: 8,875,193 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 9.7

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.18 AU - 1.52 AU

Year: 1083 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,127,352 km

• M1: 120,576 km (0.061 R)
• M2: 447,597 km (0.119 R)
• M3: 796,160 km (0.082 R)
• M4: 1,391,709 km (0.114 R)
• M5: 2,273,289 km (0.12 R)
• M6: 2,603,153 km (0.108 R)
• M7: 3,504,779 km (0.095 R)
• M8: 3,837,335 km (0.103 R)
• M9: 4,619,582 km (0.098 R)
• M10: 6,255,585 km (0.118 R)
• M11: 6,932,515 km (0.087 R)
• M12: 7,459,249 km (0.065 R)
• M13: 7,884,556 km (0.078 R)
• M14: 8,246,732 km (0.104 R)
• M15: 9,032,719 km (0.05 R)
• M16: 9,897,246 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.6

Radius: 12.4

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.55 AU - 1.89 AU

Year: 1557 Days

Day: 12.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,127,352 km

• M1: 154,235 km (0.106 R)
• M2: 1,264,401 km (0.102 R)
• M3: 2,080,458 km (0.102 R)
• M4: 2,827,549 km (0.099 R)
• M5: 3,372,385 km (0.07 R)
• M6: 4,472,079 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.7

Radius: 10.5

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.91 AU - 4.63 AU

Year: 6091 Days

Day: 7.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,127,352 km

• M1: 130,749 km (0.094 R)
• M2: 657,183 km (0.118 R)
• M3: 1,108,670 km (0.104 R)
• M4: 1,922,931 km (0.115 R)
• M5: 2,587,146 km (0.116 R)
• M6: 3,117,470 km (0.098 R)
• M7: 3,862,916 km (0.105 R)
• M8: 6,365,689 km (0.108 R)
• M9: 6,856,818 km (0.12 R)
• M10: 9,977,580 km (0.095 R)
• M11: 11,033,441 km (0.058 R)
• M12: 11,537,437 km (0.117 R)
• M13: 12,056,541 km (0.052 R)
• M14: 12,591,354 km (0.067 R)
• M15: 13,141,724 km (0.061 R)
• M16: 14,114,410 km (0.087 R)
• M17: 16,074,291 km (0.104 R)
• M18: 18,139,939 km (0.115 R)
• M19: 20,451,675 km (0.088 R)
• M20: 21,444,705 km (0.085 R)
• M21: 24,109,492 km (0.119 R)
• M22: 25,915,737 km (0.078 R)
• M23: 26,269,685 km (0.119 R)
• M24: 26,897,099 km (0.111 R)
• M25: 27,902,995 km (0.111 R)
• M26: 28,274,895 km (0.032 R)
• M27: 33,312,155 km (0.114 R)
• M28: 35,007,996 km (0.116 R)
• M29: 36,206,724 km (0.094 R)
• M30: 37,432,678 km (0.088 R)
• M31: 37,771,817 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 10.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.31 AU - 5.07 AU

Year: 7011 Days

Day: 6.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,127,352 km

• M1: 136,134 km (0.09 R)
• M2: 522,097 km (0.105 R)
• M3: 2,083,599 km (0.051 R)
• M4: 3,650,338 km (0.073 R)
• M5: 4,173,332 km (0.075 R)
• M6: 6,308,393 km (0.091 R)
• M7: 8,268,424 km (0.098 R)
• M8: 9,430,799 km (0.103 R)
• M9: 12,283,631 km (0.095 R)
• M10: 15,789,906 km (0.114 R)
• M11: 16,856,987 km (0.109 R)
• M12: 17,506,840 km (0.116 R)
• M13: 19,064,753 km (0.071 R)
• M14: 20,566,117 km (0.096 R)
• M15: 21,233,024 km (0.099 R)
• M16: 25,797,255 km (0.111 R)
• M17: 28,535,195 km (0.06 R)
• M18: 33,757,508 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.4

Radius: 3.7

Gravity: 49.12 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.49 AU - 8.51 AU

Year: 15619 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,127,352 km

• M1: 46,076 km (0.068 R)
• M2: 289,322 km (0.114 R)
• M3: 426,055 km (0.041 R)
• M4: 558,598 km (0.084 R)
• M5: 1,035,367 km (0.056 R)
• M6: 1,159,383 km (0.098 R)
• M7: 1,393,355 km (0.078 R)
• M8: 2,225,568 km (0.105 R)
• M9: 2,723,429 km (0.109 R)
• M10: 3,085,905 km (0.095 R)
• M11: 5,000,010 km (0.115 R)
• M12: 5,846,584 km (0.066 R)
• M13: 6,122,143 km (0.106 R)
• M14: 6,530,695 km (0.1 R)
• M15: 6,656,806 km (0.039 R)
• M16: 6,870,432 km (0.082 R)
• M17: 8,250,023 km (0.107 R)
• M18: 9,749,144 km (0.089 R)
• M19: 10,649,424 km (0.12 R)
• M20: 11,603,858 km (0.106 R)
• M21: 13,544,442 km (0.088 R)
• M22: 15,318,373 km (0.119 R)
• M23: 16,687,493 km (0.112 R)
• M24: 19,929,728 km (0.098 R)
• M25: 21,005,935 km (0.117 R)
• M26: 24,567,262 km (0.046 R)
• M27: 26,118,741 km (0.066 R)
• M28: 27,844,352 km (0.09 R)
• M29: 29,644,464 km (0.093 R)
• M30: 33,350,302 km (0.097 R)
• M31: 36,028,702 km (0.118 R)
• M32: 37,487,282 km (0.084 R)
• M33: 38,709,496 km (0.08 R)
• M34: 46,295,754 km (0.116 R)
• M35: 46,605,721 km (0.115 R)
• M36: 53,440,997 km (0.104 R)
• M37: 54,468,884 km (0.047 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: 183 - 18,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit