🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.2

Radius: 10

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.59 AU - 0.89 AU

Year: 432 Days

Day: 6.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,931,508 km

• M1: 124,465 km (0.08 R)
• M2: 483,949 km (0.101 R)
• M3: 1,069,026 km (0.058 R)
• M4: 1,430,455 km (0.102 R)
• M5: 1,994,888 km (0.085 R)
• M6: 2,358,261 km (0.115 R)
• M7: 2,915,064 km (0.109 R)
• M8: 3,568,508 km (0.067 R)
• M9: 4,060,385 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54

Radius: 13.2

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.62 AU - 0.9 AU

Year: 449 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,931,508 km

• M1: 164,109 km (0.078 R)
• M2: 653,892 km (0.065 R)
• M3: 1,174,493 km (0.112 R)
• M4: 1,653,505 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 13.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.79 AU - 0.93 AU

Year: 541 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 54.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,931,508 km

• M1: 170,392 km (0.117 R)
• M2: 664,514 km (0.115 R)
• M3: 1,132,007 km (0.116 R)
• M4: 1,828,236 km (0.099 R)
• M5: 2,431,265 km (0.088 R)
• M6: 3,005,421 km (0.083 R)
• M7: 3,471,718 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.6

Radius: 11.7

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.01 AU - 1.11 AU

Year: 740 Days

Day: 11.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,931,508 km

• M1: 147,354 km (0.025 R)
• M2: 514,766 km (0.095 R)
• M3: 1,016,966 km (0.087 R)
• M4: 1,477,728 km (0.094 R)
• M5: 2,000,423 km (0.091 R)
• M6: 2,847,296 km (0.099 R)
• M7: 3,578,231 km (0.09 R)
• M8: 4,582,033 km (0.076 R)
• M9: 5,187,007 km (0.12 R)
• M10: 5,744,558 km (0.117 R)
• M11: 7,140,306 km (0.062 R)
• M12: 7,564,117 km (0.072 R)
• M13: 8,333,499 km (0.106 R)

Asteroid Belt

Center: 1.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.2

Radius: 10.4

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.63 AU - 2.49 AU

Year: 2005 Days

Day: 10.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,931,508 km

• M1: 129,402 km (0.092 R)
• M2: 466,446 km (0.113 R)
• M3: 845,078 km (0.092 R)
• M4: 1,217,427 km (0.12 R)
• M5: 1,649,017 km (0.102 R)
• M6: 2,594,027 km (0.102 R)
• M7: 4,311,411 km (0.071 R)
• M8: 4,768,881 km (0.115 R)
• M9: 6,004,859 km (0.1 R)
• M10: 6,469,958 km (0.101 R)
• M11: 7,798,387 km (0.056 R)
• M12: 8,289,667 km (0.104 R)
• M13: 8,801,591 km (0.09 R)
• M14: 9,783,102 km (0.068 R)
• M15: 10,246,108 km (0.07 R)
• M16: 13,907,964 km (0.11 R)
• M17: 14,402,685 km (0.06 R)
• M18: 15,049,247 km (0.112 R)
• M19: 15,618,766 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.5

Radius: 13.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.41 AU - 3.93 AU

Year: 3828 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,931,508 km

• M1: 176,376 km (0.064 R)
• M2: 749,485 km (0.106 R)
• M3: 1,278,164 km (0.114 R)
• M4: 2,591,185 km (0.11 R)
• M5: 3,045,962 km (0.079 R)
• M6: 3,895,379 km (0.105 R)
• M7: 5,459,724 km (0.066 R)
• M8: 6,276,379 km (0.104 R)
• M9: 7,007,015 km (0.114 R)
• M10: 9,381,731 km (0.066 R)
• M11: 10,082,448 km (0.108 R)
• M12: 11,728,623 km (0.096 R)
• M13: 12,202,848 km (0.109 R)
• M14: 13,393,647 km (0.086 R)
• M15: 14,824,251 km (0.096 R)
• M16: 15,605,003 km (0.068 R)
• M17: 16,063,371 km (0.099 R)
• M18: 17,863,183 km (0.062 R)
• M19: 19,200,588 km (0.115 R)
• M20: 20,128,693 km (0.099 R)
• M21: 22,290,083 km (0.045 R)
• M22: 24,989,576 km (0.088 R)
• M23: 26,256,670 km (0.103 R)
• M24: 27,649,426 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.1

Radius: 12.6

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.5 AU - 4.1 AU

Year: 4066 Days

Day: 11.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,931,508 km

• M1: 156,779 km (0.086 R)
• M2: 558,000 km (0.062 R)
• M3: 1,367,175 km (0.095 R)
• M4: 2,075,222 km (0.114 R)
• M5: 2,905,490 km (0.058 R)
• M6: 3,307,160 km (0.082 R)
• M7: 4,206,543 km (0.095 R)
• M8: 4,879,135 km (0.06 R)
• M9: 6,298,370 km (0.12 R)
• M10: 7,361,113 km (0.108 R)
• M11: 8,655,583 km (0.095 R)
• M12: 9,069,072 km (0.084 R)
• M13: 11,585,158 km (0.098 R)
• M14: 12,345,115 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.2

Radius: 5.4

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.25 AU - 6.29 AU

Year: 9401 Days

Day: 24.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,931,508 km

• M1: 83,176 km (0.072 R)
• M2: 316,699 km (0.096 R)
• M3: 860,337 km (0.101 R)
• M4: 1,968,110 km (0.072 R)
• M5: 2,666,133 km (0.113 R)
• M6: 6,239,278 km (0.054 R)
• M7: 8,538,298 km (0.042 R)
• M8: 9,013,721 km (0.093 R)
• M9: 9,325,183 km (0.088 R)
• M10: 9,552,123 km (0.116 R)
• M11: 11,868,796 km (0.095 R)
• M12: 12,081,674 km (0.093 R)
• M13: 13,586,628 km (0.06 R)
• M14: 14,840,109 km (0.075 R)
• M15: 21,483,002 km (0.075 R)
• M16: 22,038,758 km (0.075 R)
• M17: 22,279,910 km (0.104 R)
• M18: 22,522,857 km (0.088 R)
• M19: 23,179,292 km (0.066 R)
• M20: 24,102,461 km (0.095 R)
• M21: 28,324,562 km (0.098 R)
• M22: 37,164,449 km (0.065 R)
• M23: 37,965,097 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.8

Radius: 7.1

Gravity: 16.24 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.77 AU - 6.27 AU

Year: 10018 Days

Day: 15.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,931,508 km

• M1: 89,908 km (0.068 R)
• M2: 384,766 km (0.059 R)
• M3: 782,397 km (0.099 R)
• M4: 1,168,958 km (0.101 R)
• M5: 1,588,430 km (0.115 R)
• M6: 2,086,591 km (0.044 R)
• M7: 3,317,931 km (0.107 R)
• M8: 3,592,443 km (0.1 R)
• M9: 4,721,458 km (0.108 R)
• M10: 5,069,573 km (0.09 R)
• M11: 5,299,953 km (0.037 R)
• M12: 7,155,117 km (0.081 R)
• M13: 8,094,292 km (0.082 R)
• M14: 9,754,080 km (0.072 R)
• M15: 10,530,493 km (0.081 R)
• M16: 11,742,685 km (0.109 R)
• M17: 12,323,274 km (0.085 R)
• M18: 14,180,382 km (0.116 R)
• M19: 18,907,675 km (0.091 R)
• M20: 19,383,396 km (0.119 R)
• M21: 19,705,032 km (0.066 R)
• M22: 28,845,761 km (0.118 R)
• M23: 29,264,934 km (0.112 R)
• M24: 32,314,786 km (0.088 R)
• M25: 38,909,658 km (0.106 R)
• M26: 41,381,464 km (0.049 R)
• M27: 43,131,609 km (0.097 R)
• M28: 44,650,776 km (0.101 R)
• M29: 46,205,098 km (0.085 R)
• M30: 48,529,848 km (0.092 R)
• M31: 50,323,826 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 13,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit