🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.9

Radius: 11.1

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.73 AU - 0.95 AU

Year: 513 Days

Day: 9.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 76.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,295,589 km

• M1: 138,079 km (0.045 R)
• M2: 516,262 km (0.111 R)
• M3: 902,524 km (0.116 R)
• M4: 1,260,661 km (0.039 R)
• M5: 1,754,933 km (0.113 R)
• M6: 2,920,898 km (0.092 R)
• M7: 3,546,966 km (0.063 R)
• M8: 4,102,123 km (0.082 R)
• M9: 5,083,934 km (0.084 R)
• M10: 5,577,757 km (0.105 R)
• M11: 6,349,382 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.6

Radius: 8.9

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.31 AU - 1.41 AU

Year: 1058 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,295,589 km

• M1: 111,151 km (0.091 R)
• M2: 427,401 km (0.117 R)
• M3: 775,964 km (0.11 R)
• M4: 1,169,257 km (0.096 R)
• M5: 1,590,525 km (0.118 R)
• M6: 1,961,228 km (0.058 R)
• M7: 2,389,228 km (0.073 R)
• M8: 3,020,830 km (0.097 R)
• M9: 3,447,633 km (0.108 R)
• M10: 4,508,730 km (0.119 R)
• M11: 4,791,620 km (0.11 R)
• M12: 5,143,025 km (0.077 R)
• M13: 5,753,385 km (0.099 R)
• M14: 7,237,096 km (0.081 R)
• M15: 7,527,615 km (0.116 R)
• M16: 8,340,680 km (0.045 R)
• M17: 9,154,941 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.2

Radius: 13.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.67 AU - 2.43 AU

Year: 1957 Days

Day: 13.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,295,589 km

• M1: 167,849 km (0.11 R)
• M2: 686,205 km (0.114 R)
• M3: 1,294,171 km (0.097 R)
• M4: 1,803,253 km (0.118 R)
• M5: 2,707,422 km (0.073 R)
• M6: 3,143,051 km (0.095 R)
• M7: 3,895,229 km (0.117 R)
• M8: 4,617,937 km (0.061 R)
• M9: 5,178,031 km (0.112 R)
• M10: 5,663,327 km (0.092 R)
• M11: 6,128,426 km (0.078 R)
• M12: 6,645,736 km (0.106 R)
• M13: 10,173,702 km (0.052 R)
• M14: 10,715,995 km (0.067 R)
• M15: 11,239,587 km (0.109 R)
• M16: 11,977,554 km (0.111 R)
• M17: 13,898,091 km (0.116 R)
• M18: 14,840,109 km (0.112 R)
• M19: 16,356,732 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.1

Radius: 14.3

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.06 AU - 2.86 AU

Year: 2573 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,295,589 km

• M1: 178,021 km (0.115 R)
• M2: 626,665 km (0.027 R)
• M3: 1,155,793 km (0.092 R)
• M4: 2,410,770 km (0.026 R)
• M5: 3,256,297 km (0.09 R)
• M6: 4,484,495 km (0.114 R)
• M7: 5,715,237 km (0.064 R)
• M8: 6,244,814 km (0.082 R)
• M9: 7,433,668 km (0.083 R)
• M10: 9,082,087 km (0.111 R)
• M11: 11,574,836 km (0.11 R)
• M12: 12,166,346 km (0.041 R)
• M13: 13,410,252 km (0.101 R)
• M14: 15,533,944 km (0.061 R)
• M15: 16,359,275 km (0.091 R)
• M16: 19,597,919 km (0.065 R)
• M17: 20,317,784 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.68 AU - 3.7 AU

Year: 4727 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,295,589 km

• M1: 127,906 km (0.059 R)
• M2: 423,362 km (0.097 R)
• M3: 737,966 km (0.106 R)
• M4: 1,044,044 km (0.075 R)
• M5: 2,232,299 km (0.112 R)
• M6: 3,219,795 km (0.092 R)
• M7: 3,801,282 km (0.059 R)
• M8: 4,380,375 km (0.065 R)
• M9: 5,094,555 km (0.117 R)
• M10: 5,912,856 km (0.101 R)
• M11: 7,774,153 km (0.101 R)
• M12: 9,632,607 km (0.088 R)
• M13: 11,497,943 km (0.085 R)
• M14: 12,658,972 km (0.106 R)
• M15: 19,146,732 km (0.096 R)
• M16: 20,047,012 km (0.05 R)
• M17: 22,490,993 km (0.045 R)
• M18: 22,774,181 km (0.069 R)
• M19: 23,492,850 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.3

Radius: 14.2

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.67 AU - 5.11 AU

Year: 6134 Days

Day: 10.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,295,589 km

• M1: 176,525 km (0.11 R)
• M2: 655,987 km (0.067 R)
• M3: 1,432,998 km (0.072 R)
• M4: 2,204,773 km (0.108 R)
• M5: 2,986,273 km (0.096 R)
• M6: 3,571,799 km (0.099 R)
• M7: 5,445,961 km (0.114 R)
• M8: 7,134,771 km (0.071 R)
• M9: 9,940,928 km (0.116 R)
• M10: 11,035,835 km (0.05 R)
• M11: 12,492,021 km (0.077 R)
• M12: 13,168,053 km (0.103 R)
• M13: 21,199,215 km (0.03 R)
• M14: 25,685,206 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 14.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.05 AU - 5.45 AU

Year: 8022 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,295,589 km

• M1: 180,714 km (0.08 R)
• M2: 862,581 km (0.055 R)
• M3: 1,423,873 km (0.061 R)
• M4: 2,192,506 km (0.08 R)
• M5: 5,255,074 km (0.052 R)
• M6: 6,326,793 km (0.069 R)
• M7: 9,207,599 km (0.076 R)
• M8: 10,312,529 km (0.111 R)
• M9: 10,839,712 km (0.115 R)
• M10: 11,345,353 km (0.044 R)
• M11: 11,866,701 km (0.117 R)
• M12: 15,533,794 km (0.092 R)
• M13: 16,127,548 km (0.101 R)
• M14: 16,787,574 km (0.095 R)
• M15: 17,999,765 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.6

Radius: 3.9

Gravity: 58.55 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.65 AU - 6.69 AU

Year: 10220 Days

Day: 20.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 49,295,589 km

• M1: 48,470 km (0.114 R)
• M2: 194,028 km (0.055 R)
• M3: 460,163 km (0.096 R)
• M4: 719,267 km (0.106 R)
• M5: 1,057,956 km (0.104 R)
• M6: 1,225,207 km (0.103 R)
• M7: 1,494,782 km (0.064 R)
• M8: 2,151,367 km (0.103 R)
• M9: 4,033,907 km (0.112 R)
• M10: 4,627,810 km (0.069 R)
• M11: 5,176,834 km (0.112 R)
• M12: 6,364,342 km (0.082 R)
• M13: 9,921,480 km (0.06 R)
• M14: 10,829,839 km (0.09 R)
• M15: 12,085,713 km (0.071 R)
• M16: 14,345,239 km (0.101 R)
• M17: 14,545,251 km (0.07 R)
• M18: 15,785,268 km (0.111 R)
• M19: 16,358,378 km (0.116 R)
• M20: 16,945,100 km (0.065 R)
• M21: 18,789,642 km (0.087 R)
• M22: 19,029,298 km (0.086 R)
• M23: 19,760,233 km (0.058 R)
• M24: 24,638,620 km (0.101 R)
• M25: 25,604,124 km (0.094 R)
• M26: 26,494,381 km (0.079 R)
• M27: 26,795,671 km (0.089 R)
• M28: 28,127,691 km (0.081 R)
• M29: 32,616,824 km (0.117 R)
• M30: 34,490,836 km (0.115 R)
• M31: 37,813,854 km (0.097 R)
• M32: 38,323,534 km (0.112 R)
• M33: 41,613,789 km (0.07 R)
• M34: 42,567,775 km (0.056 R)
• M35: 42,843,035 km (0.118 R)
• M36: 46,093,647 km (0.06 R)
• M37: 47,409,211 km (0.086 R)
• M38: 47,704,816 km (0.104 R)
• M39: 52,921,593 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.6

Radius: 8

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.59 AU - 9.47 AU

Year: 15174 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,295,589 km

• M1: 99,632 km (0.085 R)
• M2: 705,952 km (0.11 R)
• M3: 984,204 km (0.106 R)
• M4: 1,883,587 km (0.025 R)
• M5: 2,673,164 km (0.101 R)
• M6: 2,995,398 km (0.111 R)
• M7: 5,014,072 km (0.088 R)
• M8: 5,405,270 km (0.116 R)
• M9: 6,175,550 km (0.114 R)
• M10: 6,897,808 km (0.088 R)
• M11: 7,506,821 km (0.1 R)
• M12: 7,803,175 km (0.071 R)
• M13: 11,321,118 km (0.119 R)
• M14: 12,755,612 km (0.109 R)
• M15: 13,609,965 km (0.088 R)
• M16: 14,307,540 km (0.111 R)
• M17: 15,705,233 km (0.111 R)
• M18: 16,401,761 km (0.103 R)
• M19: 16,901,567 km (0.112 R)
• M20: 17,632,951 km (0.087 R)
• M21: 18,309,283 km (0.025 R)
• M22: 18,847,088 km (0.081 R)
• M23: 25,099,381 km (0.097 R)
• M24: 32,161,298 km (0.049 R)
• M25: 40,830,644 km (0.063 R)
• M26: 45,978,606 km (0.091 R)
• M27: 47,545,644 km (0.108 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: 358 - 16,406 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit