🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 13

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.49 AU - 0.79 AU

Year: 341 Days

Day: 11.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,097,433 km

• M1: 161,715 km (0.075 R)
• M2: 626,516 km (0.105 R)
• M3: 1,042,996 km (0.069 R)
• M4: 1,883,138 km (0.093 R)
• M5: 2,619,758 km (0.043 R)
• M6: 3,256,446 km (0.032 R)
• M7: 3,757,001 km (0.096 R)
• M8: 4,541,791 km (0.062 R)
• M9: 5,339,148 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.1

Radius: 13.4

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.99 AU - 3.43 AU

Year: 3835 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,097,433 km

• M1: 167,550 km (0.094 R)
• M2: 670,348 km (0.088 R)
• M3: 1,588,879 km (0.113 R)
• M4: 2,217,190 km (0.112 R)
• M5: 2,730,012 km (0.088 R)
• M6: 3,170,428 km (0.092 R)
• M7: 4,721,907 km (0.078 R)
• M8: 5,196,581 km (0.08 R)
• M9: 6,137,552 km (0.115 R)
• M10: 7,159,754 km (0.085 R)
• M11: 8,357,135 km (0.107 R)
• M12: 8,919,175 km (0.116 R)
• M13: 10,951,163 km (0.064 R)
• M14: 12,838,340 km (0.073 R)
• M15: 13,408,906 km (0.087 R)
• M16: 15,417,856 km (0.069 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.9

Radius: 3.2

Gravity: 51.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.63 AU - 6.09 AU

Year: 9460 Days

Day: 21.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,097,433 km

• M1: 41,289 km (0.119 R)
• M2: 203,154 km (0.085 R)
• M3: 362,476 km (0.082 R)
• M4: 501,452 km (0.11 R)
• M5: 645,365 km (0.117 R)
• M6: 1,006,494 km (0.096 R)
• M7: 1,213,688 km (0.089 R)
• M8: 1,959,882 km (0.119 R)
• M9: 2,247,558 km (0.03 R)
• M10: 2,410,770 km (0.108 R)
• M11: 2,740,633 km (0.1 R)
• M12: 3,489,670 km (0.035 R)
• M13: 3,834,343 km (0.11 R)
• M14: 4,255,611 km (0.117 R)
• M15: 8,020,839 km (0.119 R)
• M16: 8,751,176 km (0.085 R)
• M17: 9,201,017 km (0.038 R)
• M18: 9,431,547 km (0.095 R)
• M19: 9,952,298 km (0.079 R)
• M20: 12,562,631 km (0.044 R)
• M21: 14,145,825 km (0.109 R)
• M22: 15,336,475 km (0.095 R)
• M23: 15,660,503 km (0.117 R)
• M24: 16,660,116 km (0.094 R)
• M25: 17,986,302 km (0.064 R)
• M26: 20,846,762 km (0.12 R)
• M27: 23,822,863 km (0.115 R)
• M28: 27,925,584 km (0.11 R)
• M29: 28,311,547 km (0.079 R)
• M30: 30,396,343 km (0.086 R)
• M31: 31,946,476 km (0.108 R)
• M32: 32,581,070 km (0.049 R)
• M33: 33,332,051 km (0.116 R)
• M34: 36,912,227 km (0.112 R)
• M35: 38,436,929 km (0.066 R)
• M36: 39,759,524 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.2

Radius: 4.8

Gravity: 35.86 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.47 AU - 7.35 AU

Year: 9581 Days

Day: 15.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,097,433 km

• M1: 59,839 km (0.067 R)
• M2: 247,734 km (0.091 R)
• M3: 404,812 km (0.098 R)
• M4: 910,303 km (0.109 R)
• M5: 1,872,068 km (0.064 R)
• M6: 2,219,883 km (0.095 R)
• M7: 2,952,613 km (0.079 R)
• M8: 3,808,313 km (0.106 R)
• M9: 4,221,353 km (0.101 R)
• M10: 6,250,648 km (0.118 R)
• M11: 6,476,241 km (0.072 R)
• M12: 7,989,274 km (0.105 R)
• M13: 9,426,311 km (0.099 R)
• M14: 10,026,199 km (0.032 R)
• M15: 11,081,911 km (0.078 R)
• M16: 11,524,122 km (0.093 R)
• M17: 12,326,416 km (0.079 R)
• M18: 12,801,239 km (0.032 R)
• M19: 13,226,546 km (0.106 R)
• M20: 13,724,109 km (0.113 R)
• M21: 14,234,088 km (0.072 R)
• M22: 14,955,898 km (0.11 R)
• M23: 17,267,035 km (0.103 R)
• M24: 19,326,848 km (0.106 R)
• M25: 20,704,495 km (0.039 R)
• M26: 27,367,734 km (0.092 R)
• M27: 30,261,704 km (0.08 R)
• M28: 33,696,621 km (0.094 R)
• M29: 37,876,685 km (0.107 R)
• M30: 41,856,587 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.2

Radius: 3.3

Gravity: 70.27 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.28 AU - 6.52 AU

Year: 10797 Days

Day: 18.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,097,433 km

• M1: 42,785 km (0.06 R)
• M2: 321,336 km (0.051 R)
• M3: 553,662 km (0.027 R)
• M4: 702,661 km (0.116 R)
• M5: 1,036,564 km (0.091 R)
• M6: 1,722,919 km (0.099 R)
• M7: 1,954,945 km (0.063 R)
• M8: 2,341,655 km (0.093 R)
• M9: 3,025,767 km (0.113 R)
• M10: 3,363,409 km (0.053 R)
• M11: 3,806,368 km (0.106 R)
• M12: 4,405,807 km (0.069 R)
• M13: 4,870,907 km (0.117 R)
• M14: 5,265,845 km (0.113 R)
• M15: 6,194,399 km (0.117 R)
• M16: 6,539,671 km (0.107 R)
• M17: 7,102,159 km (0.111 R)
• M18: 9,079,394 km (0.111 R)
• M19: 9,676,140 km (0.104 R)
• M20: 10,837,468 km (0.056 R)
• M21: 12,207,037 km (0.118 R)
• M22: 13,751,784 km (0.047 R)
• M23: 14,873,619 km (0.105 R)
• M24: 19,319,817 km (0.069 R)
• M25: 19,972,363 km (0.083 R)
• M26: 27,939,646 km (0.058 R)
• M27: 28,773,505 km (0.066 R)
• M28: 33,540,890 km (0.043 R)
• M29: 34,601,090 km (0.098 R)
• M30: 36,664,493 km (0.096 R)
• M31: 37,915,730 km (0.103 R)
• M32: 39,324,792 km (0.064 R)
• M33: 39,976,590 km (0.073 R)
• M34: 42,519,156 km (0.108 R)
• M35: 44,460,188 km (0.117 R)
• M36: 46,026,178 km (0.119 R)
• M37: 50,482,998 km (0.075 R)
• M38: 51,098,145 km (0.075 R)
• M39: 52,186,619 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.6

Radius: 5.4

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.24 AU - 9.38 AU

Year: 18943 Days

Day: 16.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 143.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,097,433 km

• M1: 67,319 km (0.114 R)
• M2: 512,522 km (0.083 R)
• M3: 893,398 km (0.058 R)
• M4: 1,357,451 km (0.088 R)
• M5: 1,554,471 km (0.064 R)
• M6: 1,858,903 km (0.095 R)
• M7: 2,202,380 km (0.12 R)
• M8: 2,701,738 km (0.06 R)
• M9: 5,508,792 km (0.093 R)
• M10: 8,050,161 km (0.028 R)
• M11: 8,597,689 km (0.106 R)
• M12: 8,802,788 km (0.118 R)
• M13: 11,341,463 km (0.106 R)
• M14: 11,650,533 km (0.106 R)
• M15: 12,029,015 km (0.06 R)
• M16: 12,546,175 km (0.068 R)
• M17: 16,275,351 km (0.065 R)
• M18: 19,163,487 km (0.069 R)
• M19: 19,602,108 km (0.107 R)
• M20: 22,569,382 km (0.117 R)
• M21: 24,261,334 km (0.102 R)
• M22: 24,774,604 km (0.045 R)
• M23: 26,465,808 km (0.112 R)
• M24: 26,791,333 km (0.087 R)
• M25: 28,572,445 km (0.099 R)
• M26: 35,689,863 km (0.108 R)
• M27: 36,353,479 km (0.064 R)
• M28: 38,117,837 km (0.108 R)
• M29: 44,511,949 km (0.06 R)
• M30: 45,126,347 km (0.111 R)
• M31: 59,928,907 km (0.114 R)
• M32: 60,677,944 km (0.099 R)
• M33: 64,321,400 km (0.095 R)
• M34: 66,296,241 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 15,140 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit