🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534

Radius: 12.1

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.46 AU - 0.59 AU

Year: 254 Days

Day: 10.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 90.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,598,696 km

• M1: 150,495 km (0.055 R)
• M2: 558,299 km (0.111 R)
• M3: 1,053,767 km (0.026 R)
• M4: 1,478,775 km (0.096 R)
• M5: 2,424,981 km (0.103 R)
• M6: 2,857,768 km (0.098 R)
• M7: 3,663,353 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 13.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.75 AU - 1.21 AU

Year: 658 Days

Day: 11.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,598,696 km

• M1: 165,455 km (0.111 R)
• M2: 584,628 km (0.051 R)
• M3: 1,108,670 km (0.099 R)
• M4: 1,594,265 km (0.105 R)
• M5: 2,341,955 km (0.099 R)
• M6: 2,787,158 km (0.116 R)
• M7: 3,507,023 km (0.068 R)
• M8: 3,999,050 km (0.064 R)
• M9: 4,611,504 km (0.077 R)
• M10: 5,335,558 km (0.084 R)
• M11: 5,847,631 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 14.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.65 AU - 2.15 AU

Year: 1776 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,598,696 km

• M1: 175,329 km (0.093 R)
• M2: 769,531 km (0.094 R)
• M3: 1,216,380 km (0.11 R)
• M4: 4,232,573 km (0.076 R)
• M5: 5,356,501 km (0.035 R)
• M6: 7,273,897 km (0.093 R)
• M7: 8,190,483 km (0.116 R)
• M8: 9,092,110 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.6

Radius: 13.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.88 AU - 3.2 AU

Year: 3595 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,598,696 km

• M1: 171,738 km (0.104 R)
• M2: 628,461 km (0.071 R)
• M3: 1,150,258 km (0.093 R)
• M4: 1,967,362 km (0.112 R)
• M5: 2,584,154 km (0.063 R)
• M6: 3,017,838 km (0.11 R)
• M7: 3,500,441 km (0.105 R)
• M8: 4,073,700 km (0.103 R)
• M9: 5,529,586 km (0.092 R)
• M10: 6,416,701 km (0.071 R)
• M11: 6,852,929 km (0.114 R)
• M12: 7,604,209 km (0.065 R)
• M13: 8,156,076 km (0.11 R)
• M14: 8,734,571 km (0.075 R)
• M15: 9,271,777 km (0.072 R)
• M16: 11,406,538 km (0.089 R)
• M17: 12,008,371 km (0.118 R)
• M18: 13,231,932 km (0.11 R)
• M19: 14,352,121 km (0.105 R)
• M20: 15,006,462 km (0.105 R)
• M21: 16,224,487 km (0.079 R)
• M22: 17,141,522 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.3

Radius: 10.3

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.08 AU - 3.32 AU

Year: 3883 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,598,696 km

• M1: 128,056 km (0.089 R)
• M2: 493,972 km (0.096 R)
• M3: 1,031,178 km (0.107 R)
• M4: 1,372,411 km (0.08 R)
• M5: 1,790,088 km (0.089 R)
• M6: 2,630,978 km (0.077 R)
• M7: 3,141,106 km (0.117 R)
• M8: 3,504,480 km (0.085 R)
• M9: 4,316,647 km (0.064 R)
• M10: 4,744,197 km (0.048 R)
• M11: 6,143,685 km (0.071 R)
• M12: 6,774,390 km (0.104 R)
• M13: 7,105,600 km (0.099 R)
• M14: 7,671,080 km (0.111 R)
• M15: 8,575,399 km (0.077 R)
• M16: 11,931,477 km (0.089 R)
• M17: 12,776,406 km (0.106 R)
• M18: 13,330,217 km (0.099 R)
• M19: 15,707,328 km (0.086 R)
• M20: 16,721,900 km (0.089 R)
• M21: 17,440,868 km (0.042 R)
• M22: 18,007,844 km (0.105 R)
• M23: 19,600,163 km (0.103 R)
• M24: 20,649,742 km (0.076 R)
• M25: 21,412,841 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 13.3

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.97 AU - 3.85 AU

Year: 4271 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,598,696 km

• M1: 169,345 km (0.075 R)
• M2: 642,373 km (0.119 R)
• M3: 1,396,197 km (0.109 R)
• M4: 2,038,570 km (0.068 R)
• M5: 3,208,575 km (0.05 R)
• M6: 4,157,923 km (0.078 R)
• M7: 4,964,106 km (0.111 R)
• M8: 7,290,652 km (0.099 R)
• M9: 7,893,232 km (0.113 R)
• M10: 8,726,343 km (0.069 R)
• M11: 9,267,588 km (0.106 R)
• M12: 10,121,493 km (0.074 R)
• M13: 10,949,667 km (0.106 R)
• M14: 12,109,948 km (0.108 R)
• M15: 12,613,344 km (0.077 R)
• M16: 14,254,433 km (0.094 R)
• M17: 14,958,740 km (0.104 R)
• M18: 16,184,096 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.1

Radius: 6.9

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.3 AU - 9.6 AU

Year: 16660 Days

Day: 22.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 55.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,598,696 km

• M1: 86,468 km (0.075 R)
• M2: 443,558 km (0.118 R)
• M3: 736,022 km (0.049 R)
• M4: 1,327,681 km (0.109 R)
• M5: 1,579,155 km (0.043 R)
• M6: 2,026,303 km (0.09 R)
• M7: 4,152,986 km (0.068 R)
• M8: 4,630,353 km (0.06 R)
• M9: 6,447,519 km (0.107 R)
• M10: 6,869,534 km (0.084 R)
• M11: 7,675,717 km (0.054 R)
• M12: 9,261,903 km (0.118 R)
• M13: 10,936,652 km (0.112 R)
• M14: 11,234,202 km (0.034 R)
• M15: 11,721,442 km (0.109 R)
• M16: 12,869,306 km (0.059 R)
• M17: 13,606,674 km (0.071 R)
• M18: 14,728,958 km (0.095 R)
• M19: 17,076,896 km (0.064 R)
• M20: 18,633,013 km (0.12 R)
• M21: 19,926,586 km (0.086 R)
• M22: 23,078,314 km (0.093 R)
• M23: 25,701,662 km (0.105 R)
• M24: 27,411,267 km (0.108 R)
• M25: 28,517,393 km (0.108 R)
• M26: 29,195,221 km (0.091 R)
• M27: 35,786,503 km (0.037 R)
• M28: 40,833,936 km (0.104 R)
• M29: 44,651,823 km (0.086 R)
• M30: 45,872,691 km (0.099 R)
• M31: 46,647,010 km (0.06 R)
• M32: 48,062,654 km (0.114 R)
• M33: 52,988,015 km (0.11 R)
• M34: 53,498,293 km (0.084 R)
• M35: 55,397,587 km (0.06 R)
• M36: 62,303,923 km (0.094 R)
• M37: 64,019,810 km (0.075 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 12,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit