🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.6

Radius: 13.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.46 AU - 0.72 AU

Year: 307 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,478,165 km

• M1: 170,392 km (0.031 R)
• M2: 618,288 km (0.108 R)
• M3: 1,487,452 km (0.094 R)
• M4: 2,005,210 km (0.057 R)
• M5: 2,500,229 km (0.062 R)
• M6: 2,937,205 km (0.031 R)
• M7: 3,403,800 km (0.09 R)
• M8: 4,103,619 km (0.086 R)
• M9: 4,676,429 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.1

Radius: 11.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.73 AU - 0.81 AU

Year: 458 Days

Day: 11.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,478,165 km

• M1: 146,756 km (0.077 R)
• M2: 552,914 km (0.081 R)
• M3: 1,008,888 km (0.108 R)
• M4: 1,397,394 km (0.119 R)
• M5: 1,809,237 km (0.06 R)
• M6: 2,187,420 km (0.113 R)
• M7: 2,609,884 km (0.113 R)
• M8: 3,076,779 km (0.046 R)
• M9: 3,656,770 km (0.105 R)
• M10: 4,615,244 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 10.3

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.2 AU - 1.32 AU

Year: 959 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,478,165 km

• M1: 128,056 km (0.109 R)
• M2: 523,144 km (0.076 R)
• M3: 1,374,056 km (0.12 R)
• M4: 1,857,706 km (0.098 R)
• M5: 2,188,617 km (0.11 R)
• M6: 2,712,359 km (0.105 R)
• M7: 3,712,421 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.2

Radius: 12.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.69 AU - 2.49 AU

Year: 2049 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,478,165 km

• M1: 154,086 km (0.06 R)
• M2: 541,694 km (0.054 R)
• M3: 962,812 km (0.061 R)
• M4: 1,427,762 km (0.11 R)
• M5: 1,813,276 km (0.092 R)
• M6: 3,705,390 km (0.119 R)
• M7: 4,273,114 km (0.108 R)
• M8: 5,700,427 km (0.11 R)
• M9: 6,876,865 km (0.095 R)
• M10: 7,340,169 km (0.092 R)
• M11: 9,274,918 km (0.066 R)
• M12: 9,672,400 km (0.094 R)
• M13: 10,255,233 km (0.069 R)
• M14: 15,515,543 km (0.107 R)

Asteroid Belt

Center: 2.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256

Radius: 13.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.58 AU - 4.08 AU

Year: 5084 Days

Day: 10.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,478,165 km

• M1: 173,683 km (0.105 R)
• M2: 698,323 km (0.101 R)
• M3: 1,181,225 km (0.025 R)
• M4: 1,882,390 km (0.054 R)
• M5: 2,630,379 km (0.065 R)
• M6: 4,276,854 km (0.102 R)
• M7: 5,272,128 km (0.03 R)
• M8: 7,433,967 km (0.108 R)
• M9: 7,948,584 km (0.048 R)
• M10: 8,800,693 km (0.115 R)
• M11: 10,133,610 km (0.098 R)
• M12: 10,971,059 km (0.114 R)
• M13: 13,104,923 km (0.12 R)
• M14: 13,572,416 km (0.089 R)
• M15: 14,739,878 km (0.115 R)
• M16: 15,348,293 km (0.073 R)
• M17: 16,723,995 km (0.038 R)
• M18: 17,274,365 km (0.025 R)
• M19: 19,237,089 km (0.062 R)
• M20: 19,902,800 km (0.056 R)
• M21: 21,927,158 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.5

Radius: 8.2

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.45 AU - 6.23 AU

Year: 8370 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,478,165 km

• M1: 102,026 km (0.044 R)
• M2: 468,840 km (0.076 R)
• M3: 808,277 km (0.065 R)
• M4: 1,516,174 km (0.049 R)
• M5: 2,302,012 km (0.104 R)
• M6: 2,974,754 km (0.074 R)
• M7: 3,492,063 km (0.117 R)
• M8: 3,796,495 km (0.078 R)
• M9: 7,242,931 km (0.054 R)
• M10: 8,178,366 km (0.074 R)
• M11: 11,264,271 km (0.09 R)
• M12: 11,827,507 km (0.108 R)
• M13: 12,409,293 km (0.062 R)
• M14: 17,976,279 km (0.091 R)
• M15: 19,681,993 km (0.095 R)
• M16: 22,841,052 km (0.076 R)
• M17: 24,328,952 km (0.076 R)
• M18: 26,680,481 km (0.06 R)
• M19: 27,405,283 km (0.119 R)
• M20: 28,799,684 km (0.089 R)
• M21: 30,436,285 km (0.049 R)
• M22: 33,058,137 km (0.067 R)
• M23: 34,958,928 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154

Radius: 3.5

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.1 AU - 9.54 AU

Year: 19298 Days

Day: 24.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,478,165 km

• M1: 47,423 km (0.077 R)
• M2: 571,464 km (0.058 R)
• M3: 757,264 km (0.106 R)
• M4: 1,864,887 km (0.084 R)
• M5: 1,978,581 km (0.119 R)
• M6: 3,784,228 km (0.117 R)
• M7: 4,183,804 km (0.061 R)
• M8: 5,925,572 km (0.092 R)
• M9: 6,353,122 km (0.076 R)
• M10: 8,987,092 km (0.119 R)
• M11: 14,550,338 km (0.114 R)
• M12: 20,249,717 km (0.116 R)
• M13: 23,675,808 km (0.085 R)
• M14: 26,890,217 km (0.039 R)
• M15: 27,371,773 km (0.106 R)
• M16: 35,074,118 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.6

Radius: 5.7

Gravity: 25.56 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.58 AU - 10.06 AU

Year: 20872 Days

Day: 23.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 83,478,165 km

• M1: 74,799 km (0.118 R)
• M2: 375,491 km (0.105 R)
• M3: 633,996 km (0.088 R)
• M4: 865,573 km (0.097 R)
• M5: 1,181,225 km (0.077 R)
• M6: 1,862,942 km (0.047 R)
• M7: 3,378,070 km (0.074 R)
• M8: 3,962,399 km (0.104 R)
• M9: 4,434,230 km (0.074 R)
• M10: 4,683,909 km (0.098 R)
• M11: 5,777,470 km (0.092 R)
• M12: 5,989,300 km (0.101 R)
• M13: 7,671,379 km (0.085 R)
• M14: 9,883,632 km (0.114 R)
• M15: 10,559,515 km (0.074 R)
• M16: 11,265,617 km (0.074 R)
• M17: 12,488,281 km (0.054 R)
• M18: 12,771,619 km (0.057 R)
• M19: 14,099,749 km (0.047 R)
• M20: 15,927,386 km (0.076 R)
• M21: 16,176,915 km (0.033 R)
• M22: 17,113,996 km (0.047 R)
• M23: 17,907,314 km (0.1 R)
• M24: 23,832,886 km (0.107 R)
• M25: 24,268,814 km (0.102 R)
• M26: 28,802,377 km (0.1 R)
• M27: 31,202,525 km (0.105 R)
• M28: 36,684,689 km (0.088 R)
• M29: 41,350,347 km (0.039 R)
• M30: 45,389,340 km (0.085 R)
• M31: 49,154,420 km (0.096 R)
• M32: 49,683,547 km (0.093 R)
• M33: 59,666,812 km (0.074 R)
• M34: 61,077,669 km (0.114 R)
• M35: 61,484,874 km (0.081 R)
• M36: 77,615,863 km (0.047 R)
• M37: 77,854,472 km (0.052 R)
• M38: 79,780,844 km (0.11 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: 397 - 16,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit