🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.5

Radius: 13.6

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.51 AU - 0.63 AU

Year: 292 Days

Day: 8 Hours

Environment

Temp: -141 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,208,273 km

• M1: 169,345 km (0.099 R)
• M2: 695,929 km (0.1 R)
• M3: 1,168,808 km (0.073 R)
• M4: 1,598,004 km (0.095 R)
• M5: 2,660,598 km (0.117 R)
• M6: 3,315,089 km (0.088 R)
• M7: 4,000,247 km (0.094 R)
• M8: 4,557,948 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 13

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.51 AU - 0.63 AU

Year: 292 Days

Day: 12.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,208,273 km

• M1: 161,715 km (0.102 R)
• M2: 610,060 km (0.1 R)
• M3: 1,086,380 km (0.082 R)
• M4: 1,797,867 km (0.089 R)
• M5: 2,221,828 km (0.115 R)
• M6: 2,651,323 km (0.095 R)
• M7: 3,136,768 km (0.103 R)
• M8: 3,692,674 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 9.1

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.36 AU - 1.9 AU

Year: 1411 Days

Day: 9.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,208,273 km

• M1: 113,096 km (0.118 R)
• M2: 503,696 km (0.113 R)
• M3: 810,072 km (0.095 R)
• M4: 1,527,245 km (0.107 R)
• M5: 1,893,610 km (0.115 R)
• M6: 3,045,364 km (0.103 R)
• M7: 4,253,815 km (0.103 R)
• M8: 4,785,935 km (0.06 R)
• M9: 5,234,579 km (0.096 R)
• M10: 5,644,328 km (0.078 R)
• M11: 6,052,131 km (0.091 R)
• M12: 6,455,447 km (0.115 R)
• M13: 7,080,766 km (0.09 R)
• M14: 8,051,806 km (0.075 R)
• M15: 8,569,265 km (0.084 R)
• M16: 9,293,768 km (0.117 R)
• M17: 9,639,189 km (0.093 R)
• M18: 10,456,143 km (0.099 R)
• M19: 12,452,976 km (0.061 R)
• M20: 13,106,419 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 14.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.15 AU - 2.71 AU

Year: 2569 Days

Day: 7.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,208,273 km

• M1: 189,840 km (0.109 R)
• M2: 1,068,129 km (0.072 R)
• M3: 1,701,825 km (0.067 R)
• M4: 3,467,978 km (0.116 R)
• M5: 4,747,040 km (0.086 R)
• M6: 6,272,190 km (0.097 R)
• M7: 6,830,040 km (0.108 R)
• M8: 8,552,361 km (0.109 R)
• M9: 11,488,817 km (0.068 R)
• M10: 13,954,639 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.2

Radius: 14.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.92 AU - 3.18 AU

Year: 3613 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,208,273 km

• M1: 179,368 km (0.066 R)
• M2: 732,132 km (0.073 R)
• M3: 1,190,649 km (0.071 R)
• M4: 2,026,004 km (0.09 R)
• M5: 2,931,221 km (0.115 R)
• M6: 3,883,262 km (0.114 R)
• M7: 4,331,457 km (0.058 R)
• M8: 5,257,318 km (0.116 R)
• M9: 5,863,040 km (0.069 R)
• M10: 7,731,218 km (0.065 R)
• M11: 8,947,000 km (0.075 R)
• M12: 10,206,913 km (0.081 R)
• M13: 11,026,261 km (0.114 R)
• M14: 11,582,017 km (0.112 R)
• M15: 13,896,445 km (0.081 R)
• M16: 16,394,281 km (0.108 R)
• M17: 19,795,837 km (0.075 R)
• M18: 20,554,299 km (0.1 R)
• M19: 21,794,764 km (0.091 R)
• M20: 22,535,423 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 14.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.71 AU - 4.01 AU

Year: 4177 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,208,273 km

• M1: 179,817 km (0.058 R)
• M2: 977,772 km (0.033 R)
• M3: 1,627,475 km (0.111 R)
• M4: 2,303,807 km (0.111 R)
• M5: 3,638,819 km (0.092 R)
• M6: 4,808,225 km (0.117 R)
• M7: 5,930,658 km (0.063 R)
• M8: 7,350,043 km (0.038 R)
• M9: 10,937,998 km (0.107 R)
• M10: 15,994,256 km (0.037 R)
• M11: 16,663,108 km (0.115 R)
• M12: 20,747,130 km (0.09 R)
• M13: 24,564,270 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.3

Radius: 10.7

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.34 AU - 4.8 AU

Year: 5569 Days

Day: 7.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,208,273 km

• M1: 134,638 km (0.116 R)
• M2: 577,897 km (0.064 R)
• M3: 997,668 km (0.108 R)
• M4: 1,433,297 km (0.084 R)
• M5: 2,296,627 km (0.117 R)
• M6: 3,309,703 km (0.094 R)
• M7: 3,736,506 km (0.072 R)
• M8: 4,940,021 km (0.045 R)
• M9: 7,258,339 km (0.075 R)
• M10: 8,793,812 km (0.111 R)
• M11: 11,898,715 km (0.113 R)
• M12: 13,696,732 km (0.054 R)
• M13: 18,805,350 km (0.1 R)
• M14: 20,591,249 km (0.105 R)
• M15: 21,379,929 km (0.08 R)
• M16: 22,114,156 km (0.108 R)
• M17: 30,224,455 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 9.3

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.4 AU - 5.56 AU

Year: 8701 Days

Day: 10.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,208,273 km

• M1: 132,245 km (0.102 R)
• M2: 915,689 km (0.093 R)
• M3: 1,772,585 km (0.096 R)
• M4: 2,815,731 km (0.09 R)
• M5: 4,494,518 km (0.115 R)
• M6: 4,995,671 km (0.105 R)
• M7: 6,695,103 km (0.032 R)
• M8: 7,642,656 km (0.094 R)
• M9: 7,977,755 km (0.06 R)
• M10: 17,665,713 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.3

Radius: 7.5

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.93 AU - 9.11 AU

Year: 16867 Days

Day: 17.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,208,273 km

• M1: 93,199 km (0.062 R)
• M2: 568,173 km (0.061 R)
• M3: 1,063,790 km (0.087 R)
• M4: 2,071,931 km (0.071 R)
• M5: 2,428,572 km (0.079 R)
• M6: 2,756,490 km (0.075 R)
• M7: 3,665,597 km (0.087 R)
• M8: 4,158,821 km (0.077 R)
• M9: 4,597,292 km (0.094 R)
• M10: 6,501,224 km (0.113 R)
• M11: 8,140,518 km (0.082 R)
• M12: 10,540,816 km (0.099 R)
• M13: 11,718,001 km (0.107 R)
• M14: 12,401,663 km (0.056 R)
• M15: 13,510,184 km (0.103 R)
• M16: 14,825,448 km (0.107 R)
• M17: 15,698,950 km (0.06 R)
• M18: 17,151,545 km (0.045 R)
• M19: 20,855,589 km (0.117 R)
• M20: 23,181,088 km (0.081 R)
• M21: 24,656,422 km (0.047 R)
• M22: 29,797,353 km (0.061 R)
• M23: 31,539,719 km (0.095 R)
• M24: 33,226,136 km (0.052 R)
• M25: 38,645,020 km (0.056 R)
• M26: 39,464,217 km (0.104 R)
• M27: 44,774,044 km (0.079 R)
• M28: 54,194,372 km (0.09 R)
• M29: 55,048,576 km (0.092 R)
• M30: 58,376,679 km (0.11 R)
• M31: 60,546,148 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 11,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit