🌌 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: 345.4

Radius: 14.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.69 AU - 0.79 AU

Year: 447 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,475,840 km

• M1: 185,801 km (0.06 R)
• M2: 720,463 km (0.089 R)
• M3: 1,248,394 km (0.1 R)
• M4: 1,909,318 km (0.117 R)
• M5: 2,622,899 km (0.106 R)
• M6: 3,831,949 km (0.088 R)
• M7: 4,509,927 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.9

Radius: 9.4

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.79 AU - 0.95 AU

Year: 570 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,475,840 km

• M1: 118,482 km (0.113 R)
• M2: 433,235 km (0.089 R)
• M3: 916,287 km (0.064 R)
• M4: 1,421,030 km (0.059 R)
• M5: 1,940,733 km (0.086 R)
• M6: 2,284,808 km (0.065 R)
• M7: 2,625,891 km (0.047 R)
• M8: 3,283,673 km (0.108 R)
• M9: 3,651,684 km (0.097 R)
• M10: 5,025,890 km (0.058 R)
• M11: 5,570,726 km (0.115 R)
• M12: 6,820,466 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 13.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.33 AU - 1.83 AU

Year: 1396 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,475,840 km

• M1: 172,935 km (0.081 R)
• M2: 764,894 km (0.096 R)
• M3: 1,205,011 km (0.078 R)
• M4: 1,700,030 km (0.081 R)
• M5: 2,497,237 km (0.092 R)
• M6: 3,066,906 km (0.081 R)
• M7: 3,920,362 km (0.112 R)
• M8: 4,488,086 km (0.112 R)
• M9: 5,260,609 km (0.064 R)
• M10: 5,891,763 km (0.11 R)
• M11: 7,330,296 km (0.09 R)
• M12: 8,587,666 km (0.082 R)
• M13: 9,896,498 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.3

Radius: 13.2

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.94 AU - 3.04 AU

Year: 2762 Days

Day: 14.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,475,840 km

• M1: 164,558 km (0.065 R)
• M2: 654,491 km (0.103 R)
• M3: 1,446,611 km (0.097 R)
• M4: 1,912,160 km (0.096 R)
• M5: 3,351,890 km (0.068 R)
• M6: 3,991,271 km (0.1 R)
• M7: 4,689,744 km (0.103 R)
• M8: 5,375,201 km (0.032 R)
• M9: 6,254,238 km (0.059 R)
• M10: 8,391,992 km (0.069 R)
• M11: 8,806,976 km (0.041 R)
• M12: 9,404,321 km (0.03 R)
• M13: 9,817,510 km (0.11 R)
• M14: 11,750,314 km (0.046 R)
• M15: 13,793,073 km (0.097 R)
• M16: 14,327,586 km (0.088 R)
• M17: 15,532,897 km (0.105 R)
• M18: 17,057,299 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.2

Radius: 12.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.63 AU - 2.77 AU

Year: 3119 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,475,840 km

• M1: 151,692 km (0.085 R)
• M2: 536,159 km (0.096 R)
• M3: 922,121 km (0.111 R)
• M4: 1,414,298 km (0.106 R)
• M5: 1,853,966 km (0.084 R)
• M6: 2,299,319 km (0.095 R)
• M7: 3,017,090 km (0.113 R)
• M8: 3,738,152 km (0.108 R)
• M9: 4,709,640 km (0.113 R)
• M10: 6,458,439 km (0.114 R)
• M11: 6,963,930 km (0.053 R)
• M12: 7,887,398 km (0.082 R)
• M13: 9,668,959 km (0.084 R)
• M14: 10,292,034 km (0.057 R)
• M15: 12,368,004 km (0.113 R)
• M16: 14,558,416 km (0.083 R)
• M17: 15,015,437 km (0.093 R)
• M18: 15,587,051 km (0.107 R)
• M19: 16,773,811 km (0.063 R)
• M20: 17,276,460 km (0.092 R)
• M21: 19,817,529 km (0.104 R)
• M22: 20,316,438 km (0.108 R)
• M23: 20,696,117 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 9.5

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.85 AU - 5.09 AU

Year: 7788 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,475,840 km

• M1: 118,332 km (0.056 R)
• M2: 444,904 km (0.1 R)
• M3: 809,175 km (0.093 R)
• M4: 1,198,578 km (0.102 R)
• M5: 1,924,427 km (0.081 R)
• M6: 2,554,982 km (0.086 R)
• M7: 3,047,907 km (0.054 R)
• M8: 3,726,932 km (0.091 R)
• M9: 5,416,640 km (0.068 R)
• M10: 7,895,177 km (0.076 R)
• M11: 8,539,346 km (0.052 R)
• M12: 8,897,034 km (0.099 R)
• M13: 9,883,782 km (0.071 R)
• M14: 11,688,082 km (0.055 R)
• M15: 12,129,545 km (0.035 R)
• M16: 13,641,381 km (0.101 R)
• M17: 18,776,627 km (0.074 R)
• M18: 19,613,029 km (0.057 R)
• M19: 21,035,106 km (0.072 R)
• M20: 22,694,446 km (0.101 R)
• M21: 23,381,998 km (0.083 R)
• M22: 24,979,703 km (0.105 R)
• M23: 27,029,792 km (0.11 R)
• M24: 29,089,007 km (0.086 R)
• M25: 32,641,358 km (0.025 R)
• M26: 33,296,896 km (0.099 R)
• M27: 34,408,857 km (0.112 R)
• M28: 39,721,077 km (0.112 R)
• M29: 41,479,151 km (0.079 R)
• M30: 42,119,280 km (0.092 R)
• M31: 44,212,454 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.5

Radius: 4.6

Gravity: 46.2 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.92 AU - 8.98 AU

Year: 14294 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,475,840 km

• M1: 57,296 km (0.059 R)
• M2: 207,492 km (0.112 R)
• M3: 353,500 km (0.096 R)
• M4: 564,582 km (0.083 R)
• M5: 1,191,697 km (0.055 R)
• M6: 1,389,016 km (0.086 R)
• M7: 2,056,223 km (0.115 R)
• M8: 3,144,098 km (0.103 R)
• M9: 3,752,513 km (0.05 R)
• M10: 3,931,282 km (0.104 R)
• M11: 4,210,133 km (0.102 R)
• M12: 4,636,038 km (0.113 R)
• M13: 4,807,328 km (0.096 R)
• M14: 5,383,878 km (0.104 R)
• M15: 7,482,736 km (0.116 R)
• M16: 8,355,490 km (0.056 R)
• M17: 8,868,611 km (0.082 R)
• M18: 9,788,787 km (0.051 R)
• M19: 11,193,810 km (0.061 R)
• M20: 11,378,414 km (0.064 R)
• M21: 18,161,481 km (0.101 R)
• M22: 18,501,965 km (0.109 R)
• M23: 23,324,253 km (0.044 R)
• M24: 25,914,839 km (0.078 R)
• M25: 26,455,037 km (0.116 R)
• M26: 28,234,055 km (0.102 R)
• M27: 35,881,648 km (0.058 R)
• M28: 39,746,359 km (0.11 R)
• M29: 43,879,599 km (0.082 R)
• M30: 44,338,715 km (0.111 R)
• M31: 45,892,288 km (0.068 R)
• M32: 46,523,891 km (0.104 R)
• M33: 52,642,144 km (0.101 R)
• M34: 54,031,909 km (0.03 R)
• M35: 54,912,890 km (0.117 R)
• M36: 57,613,132 km (0.12 R)
• M37: 57,796,240 km (0.072 R)
• M38: 63,471,684 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 18,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit