🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 11.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.53 AU - 0.83 AU

Year: 394 Days

Day: 11.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,314,547 km

• M1: 148,102 km (0.095 R)
• M2: 555,008 km (0.061 R)
• M3: 992,881 km (0.052 R)
• M4: 1,518,418 km (0.062 R)
• M5: 1,918,144 km (0.088 R)
• M6: 2,331,034 km (0.12 R)
• M7: 2,711,461 km (0.081 R)
• M8: 3,468,127 km (0.086 R)
• M9: 4,039,442 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 12.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.65 AU - 0.85 AU

Year: 457 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,314,547 km

• M1: 160,369 km (0.066 R)
• M2: 570,417 km (0.104 R)
• M3: 1,077,853 km (0.063 R)
• M4: 1,883,437 km (0.089 R)
• M5: 2,588,043 km (0.099 R)
• M6: 3,154,720 km (0.117 R)
• M7: 4,663,863 km (0.118 R)
• M8: 5,081,241 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 12.4

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.1 AU - 1.76 AU

Year: 1202 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,314,547 km

• M1: 155,731 km (0.083 R)
• M2: 595,549 km (0.113 R)
• M3: 1,122,582 km (0.076 R)
• M4: 1,539,512 km (0.088 R)
• M5: 1,948,063 km (0.062 R)
• M6: 2,394,763 km (0.057 R)
• M7: 2,816,928 km (0.116 R)
• M8: 3,560,130 km (0.096 R)
• M9: 4,376,486 km (0.054 R)
• M10: 4,896,787 km (0.073 R)
• M11: 5,313,716 km (0.093 R)
• M12: 5,995,135 km (0.106 R)
• M13: 7,429,629 km (0.098 R)
• M14: 8,449,737 km (0.108 R)
• M15: 10,311,482 km (0.104 R)
• M16: 10,701,184 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.6

Radius: 4.1

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.64 AU - 6.86 AU

Year: 10983 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,314,547 km

• M1: 51,013 km (0.043 R)
• M2: 180,415 km (0.078 R)
• M3: 409,898 km (0.088 R)
• M4: 576,700 km (0.066 R)
• M5: 788,381 km (0.049 R)
• M6: 929,152 km (0.056 R)
• M7: 1,077,703 km (0.1 R)
• M8: 1,335,759 km (0.032 R)
• M9: 2,074,174 km (0.051 R)
• M10: 2,393,117 km (0.119 R)
• M11: 2,572,784 km (0.087 R)
• M12: 3,423,697 km (0.091 R)
• M13: 3,759,394 km (0.043 R)
• M14: 4,569,766 km (0.116 R)
• M15: 5,631,163 km (0.107 R)
• M16: 6,098,357 km (0.105 R)
• M17: 6,341,454 km (0.087 R)
• M18: 6,846,945 km (0.063 R)
• M19: 8,790,072 km (0.114 R)
• M20: 9,538,809 km (0.077 R)
• M21: 10,674,556 km (0.044 R)
• M22: 11,434,064 km (0.115 R)
• M23: 12,038,889 km (0.058 R)
• M24: 13,060,193 km (0.109 R)
• M25: 15,385,243 km (0.077 R)
• M26: 16,527,722 km (0.083 R)
• M27: 16,762,741 km (0.083 R)
• M28: 18,408,467 km (0.118 R)
• M29: 20,225,632 km (0.031 R)
• M30: 23,538,776 km (0.115 R)
• M31: 25,832,411 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.7

Radius: 3.8

Gravity: 37.93 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.51 AU - 8.41 AU

Year: 15786 Days

Day: 20.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,314,547 km

• M1: 47,423 km (0.091 R)
• M2: 280,496 km (0.047 R)
• M3: 494,122 km (0.105 R)
• M4: 654,640 km (0.119 R)
• M5: 1,106,575 km (0.119 R)
• M6: 1,286,990 km (0.029 R)
• M7: 1,825,393 km (0.112 R)
• M8: 3,200,198 km (0.118 R)
• M9: 4,140,570 km (0.028 R)
• M10: 5,687,113 km (0.081 R)
• M11: 6,712,606 km (0.066 R)
• M12: 9,590,271 km (0.108 R)
• M13: 10,406,327 km (0.057 R)
• M14: 13,065,429 km (0.104 R)
• M15: 13,593,061 km (0.073 R)
• M16: 19,249,805 km (0.104 R)
• M17: 22,355,756 km (0.076 R)
• M18: 22,636,551 km (0.029 R)
• M19: 29,875,293 km (0.056 R)
• M20: 30,674,295 km (0.11 R)
• M21: 33,277,747 km (0.107 R)
• M22: 37,060,180 km (0.084 R)
• M23: 39,598,108 km (0.064 R)
• M24: 40,561,518 km (0.084 R)
• M25: 45,314,841 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.6

Radius: 5.5

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.97 AU - 9.23 AU

Year: 19296 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,314,547 km

• M1: 68,366 km (0.085 R)
• M2: 294,708 km (0.091 R)
• M3: 494,271 km (0.087 R)
• M4: 671,395 km (0.05 R)
• M5: 1,698,235 km (0.087 R)
• M6: 2,301,713 km (0.101 R)
• M7: 2,785,363 km (0.078 R)
• M8: 3,503,582 km (0.117 R)
• M9: 4,142,365 km (0.068 R)
• M10: 5,298,607 km (0.104 R)
• M11: 7,485,429 km (0.096 R)
• M12: 7,875,730 km (0.11 R)
• M13: 10,209,755 km (0.083 R)
• M14: 12,421,111 km (0.08 R)
• M15: 14,405,377 km (0.086 R)
• M16: 18,369,422 km (0.112 R)
• M17: 18,989,355 km (0.032 R)
• M18: 19,531,648 km (0.088 R)
• M19: 19,898,761 km (0.089 R)
• M20: 23,310,939 km (0.088 R)
• M21: 23,516,935 km (0.079 R)
• M22: 30,154,742 km (0.049 R)
• M23: 40,261,125 km (0.087 R)
• M24: 47,457,980 km (0.1 R)
• M25: 47,789,040 km (0.086 R)
• M26: 50,492,722 km (0.028 R)
• M27: 51,707,008 km (0.064 R)
• M28: 52,586,195 km (0.084 R)
• M29: 54,374,488 km (0.084 R)
• M30: 55,833,964 km (0.092 R)
• M31: 56,202,723 km (0.084 R)
• M32: 59,021,596 km (0.109 R)
• M33: 64,938,940 km (0.118 R)
• M34: 68,040,702 km (0.096 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: 337 - 18,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit