🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.7

Radius: 11.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.74 AU - 1.18 AU

Year: 661 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,009,787 km

• M1: 139,276 km (0.115 R)
• M2: 614,398 km (0.08 R)
• M3: 1,054,665 km (0.107 R)
• M4: 1,526,347 km (0.057 R)
• M5: 1,925,025 km (0.085 R)
• M6: 2,329,837 km (0.098 R)
• M7: 3,155,318 km (0.117 R)
• M8: 3,636,275 km (0.102 R)
• M9: 4,058,590 km (0.09 R)
• M10: 4,428,396 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.9

Radius: 14.8

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.83 AU - 1.09 AU

Year: 661 Days

Day: 9.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,009,787 km

• M1: 184,604 km (0.095 R)
• M2: 726,148 km (0.067 R)
• M3: 1,701,227 km (0.093 R)
• M4: 2,259,975 km (0.082 R)
• M5: 2,742,578 km (0.077 R)
• M6: 3,531,707 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.6

Radius: 8.3

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.14 AU - 1.86 AU

Year: 1291 Days

Day: 5.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,009,787 km

• M1: 103,372 km (0.107 R)
• M2: 382,671 km (0.107 R)
• M3: 836,701 km (0.109 R)
• M4: 1,132,605 km (0.092 R)
• M5: 1,598,453 km (0.109 R)
• M6: 2,155,406 km (0.104 R)
• M7: 2,462,231 km (0.105 R)
• M8: 2,938,401 km (0.113 R)
• M9: 4,010,121 km (0.067 R)
• M10: 4,374,092 km (0.035 R)
• M11: 4,634,841 km (0.071 R)
• M12: 6,034,479 km (0.075 R)
• M13: 6,424,481 km (0.073 R)
• M14: 6,762,273 km (0.111 R)
• M15: 8,312,406 km (0.031 R)
• M16: 9,440,374 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.7

Radius: 10.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.03 AU - 4.77 AU

Year: 5414 Days

Day: 9.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,009,787 km

• M1: 130,599 km (0.116 R)
• M2: 541,843 km (0.074 R)
• M3: 984,504 km (0.08 R)
• M4: 1,523,206 km (0.108 R)
• M5: 2,131,171 km (0.118 R)
• M6: 2,708,769 km (0.085 R)
• M7: 3,134,375 km (0.096 R)
• M8: 5,370,264 km (0.044 R)
• M9: 5,712,843 km (0.105 R)
• M10: 6,045,848 km (0.106 R)
• M11: 6,569,590 km (0.099 R)
• M12: 7,342,563 km (0.085 R)
• M13: 8,115,684 km (0.087 R)
• M14: 8,753,869 km (0.053 R)
• M15: 9,359,740 km (0.111 R)
• M16: 9,925,220 km (0.074 R)
• M17: 11,874,181 km (0.104 R)
• M18: 12,537,199 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.9

Radius: 9

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.39 AU - 5.03 AU

Year: 7185 Days

Day: 13.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,009,787 km

• M1: 112,049 km (0.062 R)
• M2: 640,129 km (0.111 R)
• M3: 1,247,347 km (0.1 R)
• M4: 1,661,733 km (0.083 R)
• M5: 2,051,286 km (0.078 R)
• M6: 2,953,062 km (0.082 R)
• M7: 3,969,430 km (0.069 R)
• M8: 4,391,894 km (0.106 R)
• M9: 5,644,926 km (0.116 R)
• M10: 5,975,388 km (0.037 R)
• M11: 8,280,541 km (0.103 R)
• M12: 11,071,140 km (0.073 R)
• M13: 13,304,038 km (0.075 R)
• M14: 13,891,060 km (0.116 R)
• M15: 18,931,760 km (0.097 R)
• M16: 19,674,663 km (0.043 R)
• M17: 22,510,291 km (0.115 R)
• M18: 23,091,628 km (0.083 R)
• M19: 25,072,603 km (0.112 R)
• M20: 27,539,472 km (0.116 R)
• M21: 28,977,706 km (0.072 R)
• M22: 30,364,628 km (0.08 R)
• M23: 32,738,447 km (0.11 R)
• M24: 34,460,917 km (0.041 R)
• M25: 36,470,016 km (0.098 R)
• M26: 37,156,670 km (0.076 R)
• M27: 38,911,154 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508

Radius: 3.4

Gravity: 43.94 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.69 AU - 7.21 AU

Year: 10202 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,009,787 km

• M1: 118,182 km (0.029 R)
• M2: 443,258 km (0.111 R)
• M3: 634,445 km (0.118 R)
• M4: 1,606,532 km (0.103 R)
• M5: 2,267,305 km (0.063 R)
• M6: 3,438,208 km (0.086 R)
• M7: 3,992,019 km (0.101 R)
• M8: 4,631,999 km (0.063 R)
• M9: 7,592,391 km (0.087 R)
• M10: 8,480,554 km (0.117 R)
• M11: 10,818,170 km (0.099 R)
• M12: 11,939,406 km (0.103 R)
• M13: 13,432,094 km (0.112 R)
• M14: 13,611,910 km (0.089 R)
• M15: 17,130,602 km (0.1 R)
• M16: 18,573,922 km (0.086 R)
• M17: 19,097,664 km (0.088 R)
• M18: 20,807,717 km (0.108 R)
• M19: 26,639,790 km (0.061 R)
• M20: 31,009,245 km (0.112 R)
• M21: 32,278,882 km (0.067 R)
• M22: 32,386,144 km (0.069 R)
• M23: 34,808,283 km (0.117 R)
• M24: 35,603,545 km (0.108 R)
• M25: 43,837,412 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.6

Radius: 6.3

Gravity: 19.47 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.2 AU - 8.6 AU

Year: 12740 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 109.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,009,787 km

• M1: 81,381 km (0.111 R)
• M2: 327,320 km (0.099 R)
• M3: 620,682 km (0.067 R)
• M4: 929,003 km (0.067 R)
• M5: 3,266,320 km (0.068 R)
• M6: 3,997,405 km (0.111 R)
• M7: 5,852,867 km (0.113 R)
• M8: 6,158,196 km (0.051 R)
• M9: 7,846,259 km (0.081 R)
• M10: 8,747,287 km (0.081 R)
• M11: 11,741,937 km (0.108 R)
• M12: 12,351,399 km (0.108 R)
• M13: 12,917,776 km (0.108 R)
• M14: 14,790,741 km (0.077 R)
• M15: 15,357,418 km (0.087 R)
• M16: 15,646,142 km (0.076 R)
• M17: 17,769,833 km (0.113 R)
• M18: 18,491,194 km (0.104 R)
• M19: 20,250,316 km (0.094 R)
• M20: 22,672,156 km (0.088 R)
• M21: 23,330,237 km (0.053 R)
• M22: 24,194,912 km (0.099 R)
• M23: 24,487,825 km (0.116 R)
• M24: 24,684,397 km (0.114 R)
• M25: 39,848,983 km (0.088 R)
• M26: 40,257,535 km (0.091 R)
• M27: 42,342,630 km (0.027 R)
• M28: 42,768,086 km (0.091 R)
• M29: 52,701,535 km (0.119 R)
• M30: 56,041,756 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.3

Radius: 7

Gravity: 12.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.94 AU - 8.64 AU

Year: 13836 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,009,787 km

• M1: 87,066 km (0.099 R)
• M2: 381,774 km (0.091 R)
• M3: 928,554 km (0.092 R)
• M4: 1,331,571 km (0.11 R)
• M5: 2,404,038 km (0.089 R)
• M6: 3,141,555 km (0.089 R)
• M7: 5,365,328 km (0.07 R)
• M8: 9,724,011 km (0.098 R)
• M9: 11,156,261 km (0.046 R)
• M10: 12,913,737 km (0.12 R)
• M11: 21,796,859 km (0.119 R)
• M12: 23,558,673 km (0.104 R)
• M13: 28,428,831 km (0.068 R)
• M14: 39,829,535 km (0.114 R)
• M15: 45,043,919 km (0.025 R)
• M16: 53,279,282 km (0.088 R)
• M17: 53,608,247 km (0.106 R)
• M18: 55,105,722 km (0.093 R)
• M19: 57,317,527 km (0.101 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: 545 - 17,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit