🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.8

Radius: 14.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.74 AU - 1.02 AU

Year: 533 Days

Day: 13.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,213,652 km

• M1: 182,958 km (0.08 R)
• M2: 894,595 km (0.087 R)
• M3: 1,380,639 km (0.094 R)
• M4: 1,907,522 km (0.09 R)
• M5: 2,509,953 km (0.096 R)
• M6: 3,432,523 km (0.115 R)
• M7: 4,063,228 km (0.082 R)
• M8: 5,154,694 km (0.059 R)
• M9: 5,787,642 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.5

Radius: 14.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.85 AU - 0.97 AU

Year: 561 Days

Day: 12.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,213,652 km

• M1: 179,069 km (0.099 R)
• M2: 893,698 km (0.059 R)
• M3: 1,412,653 km (0.034 R)
• M4: 1,946,418 km (0.103 R)
• M5: 3,010,956 km (0.066 R)
• M6: 4,086,266 km (0.097 R)
• M7: 4,879,883 km (0.084 R)
• M8: 5,637,745 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656

Radius: 13.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.94 AU - 1.12 AU

Year: 675 Days

Day: 13.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,213,652 km

• M1: 172,935 km (0.068 R)
• M2: 769,232 km (0.118 R)
• M3: 1,810,733 km (0.101 R)
• M4: 2,335,073 km (0.06 R)
• M5: 2,811,243 km (0.119 R)
• M6: 3,683,249 km (0.094 R)
• M7: 4,138,775 km (0.114 R)
• M8: 4,860,136 km (0.054 R)
• M9: 5,850,174 km (0.081 R)
• M10: 6,534,585 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 8.4

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.92 AU - 3.1 AU

Year: 3372 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,213,652 km

• M1: 104,569 km (0.085 R)
• M2: 416,331 km (0.073 R)
• M3: 1,034,768 km (0.027 R)
• M4: 1,837,959 km (0.089 R)
• M5: 2,394,912 km (0.085 R)
• M6: 3,475,458 km (0.045 R)
• M7: 3,779,889 km (0.05 R)
• M8: 4,168,694 km (0.105 R)
• M9: 4,512,919 km (0.071 R)
• M10: 5,258,664 km (0.116 R)
• M11: 5,799,909 km (0.077 R)
• M12: 7,088,994 km (0.096 R)
• M13: 10,554,279 km (0.086 R)
• M14: 11,283,120 km (0.116 R)
• M15: 12,136,875 km (0.12 R)
• M16: 12,603,172 km (0.089 R)
• M17: 13,472,635 km (0.119 R)
• M18: 14,381,442 km (0.111 R)
• M19: 17,294,860 km (0.053 R)
• M20: 18,489,549 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 11.6

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.71 AU - 4.85 AU

Year: 5717 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,213,652 km

• M1: 144,661 km (0.103 R)
• M2: 718,967 km (0.077 R)
• M3: 1,163,123 km (0.091 R)
• M4: 1,652,159 km (0.103 R)
• M5: 2,151,367 km (0.12 R)
• M6: 3,071,843 km (0.108 R)
• M7: 6,918,004 km (0.059 R)
• M8: 7,552,748 km (0.101 R)
• M9: 8,122,267 km (0.109 R)
• M10: 8,938,473 km (0.073 R)
• M11: 12,852,103 km (0.104 R)
• M12: 13,422,519 km (0.028 R)
• M13: 13,910,508 km (0.066 R)
• M14: 16,365,409 km (0.093 R)
• M15: 16,866,412 km (0.049 R)
• M16: 19,095,869 km (0.111 R)
• M17: 20,345,161 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384

Radius: 10.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.58 AU - 7.28 AU

Year: 9324 Days

Day: 10.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,213,652 km

• M1: 130,001 km (0.098 R)
• M2: 1,226,403 km (0.12 R)
• M3: 1,712,447 km (0.08 R)
• M4: 2,110,527 km (0.092 R)
• M5: 3,180,002 km (0.037 R)
• M6: 4,311,560 km (0.06 R)
• M7: 4,743,150 km (0.101 R)
• M8: 5,630,265 km (0.025 R)
• M9: 6,180,038 km (0.085 R)
• M10: 6,659,499 km (0.105 R)
• M11: 7,016,888 km (0.028 R)
• M12: 7,615,579 km (0.109 R)
• M13: 9,261,903 km (0.105 R)
• M14: 14,276,723 km (0.104 R)
• M15: 15,238,338 km (0.054 R)
• M16: 16,958,115 km (0.119 R)
• M17: 17,357,243 km (0.089 R)
• M18: 18,036,417 km (0.076 R)
• M19: 19,231,405 km (0.088 R)
• M20: 20,106,253 km (0.105 R)
• M21: 21,007,431 km (0.081 R)
• M22: 21,778,757 km (0.066 R)
• M23: 22,409,312 km (0.077 R)
• M24: 27,169,217 km (0.103 R)
• M25: 29,210,480 km (0.11 R)
• M26: 29,592,254 km (0.104 R)
• M27: 32,665,293 km (0.12 R)
• M28: 35,078,307 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.2

Radius: 4.4

Gravity: 34.1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8.24 AU - 13.6 AU

Year: 23300 Days

Day: 19.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,213,652 km

• M1: 54,753 km (0.061 R)
• M2: 303,085 km (0.09 R)
• M3: 813,962 km (0.1 R)
• M4: 989,440 km (0.077 R)
• M5: 1,401,433 km (0.118 R)
• M6: 1,602,343 km (0.065 R)
• M7: 1,860,698 km (0.095 R)
• M8: 2,167,972 km (0.107 R)
• M9: 2,556,179 km (0.12 R)
• M10: 2,857,020 km (0.071 R)
• M11: 3,237,448 km (0.082 R)
• M12: 4,837,397 km (0.073 R)
• M13: 5,063,888 km (0.104 R)
• M14: 6,084,744 km (0.099 R)
• M15: 8,255,110 km (0.084 R)
• M16: 8,910,797 km (0.099 R)
• M17: 9,718,925 km (0.061 R)
• M18: 15,213,355 km (0.117 R)
• M19: 17,220,809 km (0.074 R)
• M20: 17,838,050 km (0.098 R)
• M21: 19,023,164 km (0.096 R)
• M22: 19,210,012 km (0.09 R)
• M23: 25,178,070 km (0.063 R)
• M24: 27,611,429 km (0.115 R)
• M25: 46,919,727 km (0.1 R)
• M26: 53,503,978 km (0.08 R)
• M27: 56,147,522 km (0.079 R)
• M28: 65,020,919 km (0.101 R)
• M29: 72,030,776 km (0.028 R)
• M30: 76,894,502 km (0.077 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: 238 - 16,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit