🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.1

Radius: 14.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.59 AU - 0.61 AU

Year: 321 Days

Day: 6 Hours

Environment

Temp: -145 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,545,168 km

• M1: 185,352 km (0.084 R)
• M2: 749,037 km (0.051 R)
• M3: 1,269,188 km (0.082 R)
• M4: 1,734,737 km (0.075 R)
• M5: 2,540,172 km (0.118 R)
• M6: 3,058,828 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 9.1

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.58 AU - 0.78 AU

Year: 387 Days

Day: 10.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,545,168 km

• M1: 113,096 km (0.03 R)
• M2: 400,922 km (0.112 R)
• M3: 717,023 km (0.119 R)
• M4: 1,206,956 km (0.119 R)
• M5: 2,415,258 km (0.088 R)
• M6: 3,009,161 km (0.105 R)
• M7: 3,549,509 km (0.089 R)
• M8: 4,415,830 km (0.101 R)
• M9: 5,303,993 km (0.114 R)
• M10: 5,680,979 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.5

Radius: 12.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.86 AU - 1.02 AU

Year: 629 Days

Day: 8.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,545,168 km

• M1: 155,582 km (0.107 R)
• M2: 547,977 km (0.1 R)
• M3: 1,086,081 km (0.111 R)
• M4: 1,564,794 km (0.08 R)
• M5: 2,090,780 km (0.091 R)
• M6: 2,893,372 km (0.1 R)
• M7: 4,786,683 km (0.076 R)
• M8: 5,318,653 km (0.083 R)
• M9: 5,889,818 km (0.084 R)
• M10: 6,749,557 km (0.074 R)
• M11: 7,577,431 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.1

Radius: 10.3

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.03 AU - 4.77 AU

Year: 6371 Days

Day: 13 Hours

Environment

Temp: -224 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,545,168 km

• M1: 128,056 km (0.118 R)
• M2: 622,178 km (0.105 R)
• M3: 994,676 km (0.095 R)
• M4: 1,441,824 km (0.106 R)
• M5: 2,489,309 km (0.073 R)
• M6: 3,142,602 km (0.092 R)
• M7: 4,301,537 km (0.104 R)
• M8: 4,723,553 km (0.096 R)
• M9: 5,850,324 km (0.094 R)
• M10: 6,975,599 km (0.041 R)
• M11: 12,686,947 km (0.071 R)
• M12: 13,248,537 km (0.097 R)
• M13: 16,460,553 km (0.117 R)
• M14: 16,818,241 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.9

Radius: 14.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.38 AU - 6.22 AU

Year: 8422 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,545,168 km

• M1: 214,523 km (0.116 R)
• M2: 678,426 km (0.114 R)
• M3: 3,155,019 km (0.095 R)
• M4: 4,886,315 km (0.067 R)
• M5: 6,369,877 km (0.08 R)
• M6: 8,302,831 km (0.062 R)
• M7: 10,800,817 km (0.082 R)
• M8: 18,587,535 km (0.114 R)
• M9: 19,707,874 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.3

Radius: 4.9

Gravity: 34.71 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.18 AU - 6.68 AU

Year: 9968 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,545,168 km

• M1: 61,784 km (0.115 R)
• M2: 343,776 km (0.031 R)
• M3: 596,596 km (0.027 R)
• M4: 957,277 km (0.074 R)
• M5: 1,536,520 km (0.107 R)
• M6: 2,030,193 km (0.065 R)
• M7: 2,460,137 km (0.111 R)
• M8: 3,349,347 km (0.073 R)
• M9: 4,346,117 km (0.104 R)
• M10: 5,771,635 km (0.115 R)
• M11: 6,134,560 km (0.102 R)
• M12: 8,407,550 km (0.116 R)
• M13: 10,323,151 km (0.075 R)
• M14: 11,579,474 km (0.085 R)
• M15: 11,807,910 km (0.053 R)
• M16: 14,326,240 km (0.117 R)
• M17: 14,722,525 km (0.103 R)
• M18: 16,814,053 km (0.077 R)
• M19: 20,726,336 km (0.098 R)
• M20: 22,183,419 km (0.092 R)
• M21: 24,168,882 km (0.117 R)
• M22: 25,109,255 km (0.059 R)
• M23: 28,385,448 km (0.085 R)
• M24: 28,696,761 km (0.104 R)
• M25: 29,857,491 km (0.069 R)
• M26: 30,071,865 km (0.086 R)
• M27: 32,724,983 km (0.114 R)
• M28: 37,986,490 km (0.097 R)
• M29: 38,491,083 km (0.12 R)
• M30: 39,901,492 km (0.089 R)
• M31: 40,161,643 km (0.1 R)
• M32: 46,604,823 km (0.106 R)
• M33: 47,183,019 km (0.057 R)
• M34: 48,059,214 km (0.116 R)
• M35: 48,501,275 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.5

Radius: 3.4

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.49 AU - 9.33 AU

Year: 15356 Days

Day: 17.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,545,168 km

• M1: 2,518,929 km (0.109 R)
• M2: 3,238,495 km (0.073 R)
• M3: 6,040,612 km (0.109 R)
• M4: 13,112,403 km (0.112 R)
• M5: 18,668,917 km (0.083 R)
• M6: 19,998,842 km (0.11 R)
• M7: 23,477,740 km (0.068 R)
• M8: 24,942,004 km (0.098 R)
• M9: 27,604,697 km (0.034 R)
• M10: 27,961,488 km (0.05 R)
• M11: 29,142,264 km (0.09 R)
• M12: 31,895,313 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.3

Radius: 5

Gravity: 29.05 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.48 AU - 11.62 AU

Year: 20371 Days

Day: 21.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,545,168 km

• M1: 62,233 km (0.119 R)
• M2: 273,016 km (0.028 R)
• M3: 482,752 km (0.092 R)
• M4: 738,265 km (0.055 R)
• M5: 992,432 km (0.092 R)
• M6: 1,378,844 km (0.074 R)
• M7: 1,555,967 km (0.111 R)
• M8: 1,730,249 km (0.033 R)
• M9: 3,146,941 km (0.116 R)
• M10: 4,540,894 km (0.068 R)
• M11: 4,935,832 km (0.073 R)
• M12: 5,753,085 km (0.104 R)
• M13: 6,044,502 km (0.102 R)
• M14: 7,851,794 km (0.066 R)
• M15: 8,741,752 km (0.103 R)
• M16: 11,549,255 km (0.116 R)
• M17: 14,750,200 km (0.077 R)
• M18: 17,528,233 km (0.115 R)
• M19: 19,315,179 km (0.114 R)
• M20: 19,500,382 km (0.118 R)
• M21: 24,958,161 km (0.048 R)
• M22: 27,213,199 km (0.105 R)
• M23: 30,468,150 km (0.089 R)
• M24: 36,878,418 km (0.082 R)
• M25: 38,318,148 km (0.083 R)
• M26: 48,944,235 km (0.08 R)
• M27: 54,832,706 km (0.11 R)
• M28: 55,204,008 km (0.057 R)
• M29: 57,850,394 km (0.083 R)
• M30: 58,042,478 km (0.098 R)
• M31: 58,621,721 km (0.11 R)
• M32: 59,399,929 km (0.088 R)
• M33: 67,564,233 km (0.045 R)
• M34: 69,282,215 km (0.117 R)
• M35: 76,908,565 km (0.067 R)
• M36: 77,607,187 km (0.088 R)
• M37: 78,075,278 km (0.058 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 18,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit