🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 11.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.69 AU - 0.77 AU

Year: 397 Days

Day: 8.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,126,357 km

• M1: 140,622 km (0.082 R)
• M2: 561,890 km (0.117 R)
• M3: 1,114,803 km (0.068 R)
• M4: 1,754,185 km (0.09 R)
• M5: 2,391,472 km (0.062 R)
• M6: 2,798,677 km (0.119 R)
• M7: 3,261,533 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 13.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.75 AU - 1.21 AU

Year: 617 Days

Day: 11.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,126,357 km

• M1: 166,054 km (0.085 R)
• M2: 655,987 km (0.076 R)
• M3: 1,158,187 km (0.094 R)
• M4: 1,656,348 km (0.055 R)
• M5: 2,187,869 km (0.051 R)
• M6: 2,601,058 km (0.074 R)
• M7: 3,218,748 km (0.113 R)
• M8: 3,679,210 km (0.075 R)
• M9: 4,098,982 km (0.096 R)
• M10: 4,596,395 km (0.07 R)
• M11: 5,820,255 km (0.081 R)
• M12: 6,393,514 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.2

Radius: 11.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.92 AU - 1.1 AU

Year: 645 Days

Day: 8.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,126,357 km

• M1: 140,772 km (0.056 R)
• M2: 550,969 km (0.119 R)
• M3: 1,109,867 km (0.104 R)
• M4: 1,495,680 km (0.12 R)
• M5: 2,748,861 km (0.075 R)
• M6: 3,145,894 km (0.072 R)
• M7: 3,846,161 km (0.104 R)
• M8: 4,964,106 km (0.109 R)
• M9: 5,457,779 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 11.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.13 AU - 1.47 AU

Year: 942 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,126,357 km

• M1: 139,276 km (0.088 R)
• M2: 517,609 km (0.076 R)
• M3: 943,963 km (0.113 R)
• M4: 1,383,631 km (0.067 R)
• M5: 1,791,135 km (0.056 R)
• M6: 2,248,755 km (0.075 R)
• M7: 2,702,486 km (0.119 R)
• M8: 3,216,953 km (0.114 R)
• M9: 3,709,279 km (0.117 R)
• M10: 4,443,805 km (0.081 R)
• M11: 4,880,631 km (0.109 R)
• M12: 5,236,075 km (0.106 R)
• M13: 6,039,416 km (0.109 R)
• M14: 6,428,968 km (0.029 R)
• M15: 7,078,373 km (0.093 R)
• M16: 8,011,864 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 14.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.04 AU - 2.5 AU

Year: 2175 Days

Day: 5.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,126,357 km

• M1: 179,069 km (0.091 R)
• M2: 837,598 km (0.106 R)
• M3: 1,297,163 km (0.09 R)
• M4: 2,092,276 km (0.103 R)
• M5: 2,903,246 km (0.111 R)
• M6: 5,086,477 km (0.082 R)
• M7: 7,014,046 km (0.113 R)
• M8: 7,842,519 km (0.034 R)
• M9: 8,831,510 km (0.12 R)
• M10: 9,694,989 km (0.103 R)
• M11: 10,760,575 km (0.067 R)
• M12: 11,436,608 km (0.11 R)
• M13: 12,998,858 km (0.073 R)
• M14: 14,473,295 km (0.078 R)
• M15: 15,158,154 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 14.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.16 AU - 2.9 AU

Year: 2559 Days

Day: 9 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,126,357 km

• M1: 175,329 km (0.099 R)
• M2: 682,465 km (0.068 R)
• M3: 1,234,781 km (0.08 R)
• M4: 2,415,557 km (0.092 R)
• M5: 3,832,847 km (0.119 R)
• M6: 4,597,591 km (0.113 R)
• M7: 5,322,243 km (0.077 R)
• M8: 6,591,432 km (0.079 R)
• M9: 7,573,243 km (0.08 R)
• M10: 10,039,812 km (0.089 R)
• M11: 13,386,915 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 10.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.27 AU - 2.91 AU

Year: 2650 Days

Day: 7.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,126,357 km

• M1: 128,056 km (0.097 R)
• M2: 471,682 km (0.058 R)
• M3: 909,256 km (0.105 R)
• M4: 1,424,172 km (0.077 R)
• M5: 2,684,683 km (0.08 R)
• M6: 3,109,093 km (0.082 R)
• M7: 3,960,454 km (0.075 R)
• M8: 4,658,627 km (0.045 R)
• M9: 5,183,417 km (0.089 R)
• M10: 5,845,088 km (0.093 R)
• M11: 6,777,532 km (0.036 R)
• M12: 7,423,346 km (0.111 R)
• M13: 8,109,551 km (0.062 R)
• M14: 8,515,859 km (0.045 R)
• M15: 8,870,256 km (0.088 R)
• M16: 9,437,382 km (0.092 R)
• M17: 9,852,067 km (0.08 R)
• M18: 11,055,582 km (0.116 R)
• M19: 11,990,569 km (0.1 R)
• M20: 12,977,466 km (0.102 R)
• M21: 13,447,652 km (0.031 R)
• M22: 14,286,297 km (0.053 R)
• M23: 15,729,019 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475

Radius: 10.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.99 AU - 5.05 AU

Year: 6110 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,126,357 km

• M1: 128,056 km (0.117 R)
• M2: 581,038 km (0.071 R)
• M3: 1,008,290 km (0.106 R)
• M4: 1,410,110 km (0.12 R)
• M5: 2,060,411 km (0.114 R)
• M6: 2,479,884 km (0.104 R)
• M7: 2,863,453 km (0.064 R)
• M8: 3,206,481 km (0.093 R)
• M9: 4,235,116 km (0.086 R)
• M10: 4,891,701 km (0.037 R)
• M11: 5,328,676 km (0.043 R)
• M12: 7,590,746 km (0.116 R)
• M13: 8,482,349 km (0.056 R)
• M14: 8,873,996 km (0.11 R)
• M15: 10,034,876 km (0.112 R)
• M16: 11,529,957 km (0.111 R)
• M17: 12,706,843 km (0.116 R)
• M18: 15,126,738 km (0.109 R)
• M19: 15,820,573 km (0.116 R)
• M20: 16,475,214 km (0.06 R)
• M21: 17,209,889 km (0.112 R)
• M22: 17,966,106 km (0.12 R)
• M23: 22,601,845 km (0.106 R)
• M24: 22,976,887 km (0.119 R)
• M25: 28,237,196 km (0.098 R)
• M26: 29,734,821 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.2

Radius: 6.8

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 10.62 AU - 12.3 AU

Year: 24667 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,126,357 km

• M1: 84,822 km (0.053 R)
• M2: 332,556 km (0.089 R)
• M3: 1,561,054 km (0.098 R)
• M4: 2,630,978 km (0.109 R)
• M5: 3,706,437 km (0.112 R)
• M6: 5,683,223 km (0.115 R)
• M7: 6,237,034 km (0.079 R)
• M8: 6,504,366 km (0.092 R)
• M9: 8,062,577 km (0.082 R)
• M10: 9,441,570 km (0.079 R)
• M11: 12,872,298 km (0.085 R)
• M12: 24,285,718 km (0.073 R)
• M13: 31,730,008 km (0.069 R)
• M14: 38,889,014 km (0.046 R)
• M15: 40,717,249 km (0.058 R)
• M16: 46,713,880 km (0.118 R)
• M17: 47,224,308 km (0.12 R)
• M18: 57,450,369 km (0.048 R)
• M19: 63,075,997 km (0.075 R)
• M20: 63,491,281 km (0.114 R)
• M21: 67,745,396 km (0.078 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: 434 - 18,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit