🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.7

Radius: 11.2

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.61 AU - 0.63 AU

Year: 331 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,331,033 km

• M1: 139,276 km (0.118 R)
• M2: 501,153 km (0.105 R)
• M3: 1,075,758 km (0.116 R)
• M4: 1,436,289 km (0.068 R)
• M5: 2,154,509 km (0.111 R)
• M6: 2,567,997 km (0.097 R)
• M7: 3,206,331 km (0.067 R)
• M8: 4,023,734 km (0.082 R)
• M9: 4,393,091 km (0.054 R)
• M10: 4,756,315 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.8

Radius: 10.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.69 AU - 0.77 AU

Year: 423 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,331,033 km

• M1: 126,410 km (0.11 R)
• M2: 543,040 km (0.084 R)
• M3: 1,277,416 km (0.082 R)
• M4: 1,596,209 km (0.11 R)
• M5: 2,020,768 km (0.091 R)
• M6: 2,581,162 km (0.097 R)
• M7: 2,951,716 km (0.086 R)
• M8: 3,336,631 km (0.079 R)
• M9: 3,686,540 km (0.033 R)
• M10: 4,061,133 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 8.3

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.07 AU - 1.77 AU

Year: 1148 Days

Day: 9.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,331,033 km

• M1: 103,372 km (0.119 R)
• M2: 440,416 km (0.098 R)
• M3: 922,420 km (0.111 R)
• M4: 1,744,162 km (0.061 R)
• M5: 2,137,155 km (0.11 R)
• M6: 2,486,765 km (0.113 R)
• M7: 3,234,007 km (0.112 R)
• M8: 3,580,475 km (0.068 R)
• M9: 6,547,749 km (0.079 R)
• M10: 7,960,701 km (0.057 R)
• M11: 9,044,837 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 11.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.4 AU - 1.92 AU

Year: 1451 Days

Day: 9.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,331,033 km

• M1: 140,472 km (0.101 R)
• M2: 600,037 km (0.119 R)
• M3: 1,001,857 km (0.081 R)
• M4: 1,546,543 km (0.094 R)
• M5: 2,416,454 km (0.114 R)
• M6: 3,253,155 km (0.094 R)
• M7: 3,662,455 km (0.084 R)
• M8: 4,189,189 km (0.049 R)
• M9: 4,550,169 km (0.12 R)
• M10: 5,026,189 km (0.051 R)
• M11: 5,657,642 km (0.107 R)
• M12: 6,121,844 km (0.043 R)
• M13: 6,703,181 km (0.101 R)
• M14: 7,151,077 km (0.092 R)
• M15: 7,543,622 km (0.076 R)
• M16: 9,668,211 km (0.096 R)
• M17: 10,118,501 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 9.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.26 AU - 2.34 AU

Year: 2366 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,331,033 km

• M1: 120,576 km (0.098 R)
• M2: 442,959 km (0.116 R)
• M3: 844,330 km (0.073 R)
• M4: 1,843,046 km (0.027 R)
• M5: 2,522,818 km (0.108 R)
• M6: 3,078,575 km (0.053 R)
• M7: 3,476,355 km (0.086 R)
• M8: 3,908,244 km (0.119 R)
• M9: 5,559,206 km (0.027 R)
• M10: 6,655,310 km (0.05 R)
• M11: 7,518,340 km (0.09 R)
• M12: 7,831,598 km (0.08 R)
• M13: 8,302,981 km (0.025 R)
• M14: 9,077,300 km (0.119 R)
• M15: 9,564,689 km (0.088 R)
• M16: 10,345,590 km (0.107 R)
• M17: 11,095,225 km (0.093 R)
• M18: 12,267,474 km (0.112 R)
• M19: 13,645,869 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.3

Radius: 8.6

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.82 AU - 2.98 AU

Year: 2522 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,331,033 km

• M1: 112,647 km (0.068 R)
• M2: 400,473 km (0.102 R)
• M3: 690,095 km (0.048 R)
• M4: 1,022,801 km (0.084 R)
• M5: 1,585,737 km (0.052 R)
• M6: 1,889,571 km (0.088 R)
• M7: 2,328,192 km (0.098 R)
• M8: 3,803,376 km (0.049 R)
• M9: 5,413,199 km (0.114 R)
• M10: 6,245,412 km (0.112 R)
• M11: 6,953,159 km (0.112 R)
• M12: 8,064,672 km (0.091 R)
• M13: 8,696,872 km (0.069 R)
• M14: 9,326,081 km (0.063 R)
• M15: 10,403,036 km (0.118 R)
• M16: 11,685,389 km (0.109 R)
• M17: 13,708,850 km (0.076 R)
• M18: 14,083,144 km (0.089 R)
• M19: 15,750,861 km (0.091 R)
• M20: 16,526,825 km (0.086 R)
• M21: 17,165,757 km (0.108 R)
• M22: 17,821,146 km (0.072 R)
• M23: 19,065,800 km (0.082 R)
• M24: 19,356,618 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.8

Radius: 9.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.74 AU - 4.78 AU

Year: 5964 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,331,033 km

• M1: 119,379 km (0.058 R)
• M2: 504,444 km (0.06 R)
• M3: 1,183,469 km (0.093 R)
• M4: 1,625,231 km (0.099 R)
• M5: 2,418,250 km (0.045 R)
• M6: 3,948,935 km (0.092 R)
• M7: 4,633,944 km (0.051 R)
• M8: 5,344,384 km (0.095 R)
• M9: 5,685,766 km (0.081 R)
• M10: 6,737,738 km (0.085 R)
• M11: 9,988,201 km (0.115 R)
• M12: 12,906,706 km (0.099 R)
• M13: 14,308,438 km (0.098 R)
• M14: 16,680,761 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 13.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.11 AU - 5.63 AU

Year: 7289 Days

Day: 14.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,331,033 km

• M1: 164,109 km (0.046 R)
• M2: 1,087,128 km (0.069 R)
• M3: 1,722,021 km (0.084 R)
• M4: 2,403,589 km (0.064 R)
• M5: 3,088,598 km (0.118 R)
• M6: 4,263,390 km (0.12 R)
• M7: 5,110,712 km (0.113 R)
• M8: 6,097,310 km (0.119 R)
• M9: 6,844,701 km (0.082 R)
• M10: 7,757,547 km (0.113 R)
• M11: 8,188,688 km (0.081 R)
• M12: 10,160,388 km (0.091 R)
• M13: 11,211,912 km (0.113 R)
• M14: 12,774,461 km (0.046 R)
• M15: 13,633,901 km (0.069 R)
• M16: 14,104,386 km (0.087 R)
• M17: 17,158,726 km (0.069 R)
• M18: 17,707,451 km (0.059 R)
• M19: 18,142,482 km (0.089 R)
• M20: 18,904,683 km (0.107 R)
• M21: 19,556,032 km (0.12 R)
• M22: 22,893,561 km (0.045 R)
• M23: 24,390,138 km (0.081 R)
• M24: 24,851,497 km (0.098 R)
• M25: 26,837,260 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 18,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit