🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.4

Radius: 13.3

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.56 AU - 0.65 AU

Year: 321 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,033,964 km

• M1: 165,455 km (0.083 R)
• M2: 637,736 km (0.115 R)
• M3: 1,290,132 km (0.042 R)
• M4: 1,877,453 km (0.097 R)
• M5: 2,549,896 km (0.096 R)
• M6: 3,007,216 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.8

Radius: 11.5

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.55 AU - 2.17 AU

Year: 1751 Days

Day: 7 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,033,964 km

• M1: 150,645 km (0.109 R)
• M2: 795,711 km (0.037 R)
• M3: 1,639,443 km (0.104 R)
• M4: 2,352,427 km (0.111 R)
• M5: 3,480,095 km (0.046 R)
• M6: 4,040,190 km (0.074 R)
• M7: 4,453,229 km (0.095 R)
• M8: 5,364,879 km (0.094 R)
• M9: 7,015,243 km (0.064 R)
• M10: 7,644,002 km (0.057 R)
• M11: 8,124,511 km (0.099 R)
• M12: 8,818,196 km (0.115 R)
• M13: 14,462,524 km (0.099 R)
• M14: 16,548,068 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.6

Radius: 14.6

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.2 AU - 2.66 AU

Year: 2615 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,033,964 km

• M1: 181,612 km (0.066 R)
• M2: 748,887 km (0.103 R)
• M3: 1,563,896 km (0.107 R)
• M4: 2,069,387 km (0.038 R)
• M5: 3,610,545 km (0.104 R)
• M6: 4,130,846 km (0.088 R)
• M7: 4,681,965 km (0.081 R)
• M8: 6,302,558 km (0.101 R)
• M9: 6,985,772 km (0.076 R)
• M10: 7,503,530 km (0.087 R)
• M11: 11,736,551 km (0.103 R)
• M12: 12,508,327 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 11.2

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.33 AU - 2.69 AU

Year: 2745 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,033,964 km

• M1: 140,173 km (0.062 R)
• M2: 531,820 km (0.114 R)
• M3: 1,069,924 km (0.087 R)
• M4: 1,795,922 km (0.068 R)
• M5: 2,601,806 km (0.079 R)
• M6: 2,998,839 km (0.07 R)
• M7: 3,418,760 km (0.09 R)
• M8: 4,092,699 km (0.107 R)
• M9: 4,966,051 km (0.114 R)
• M10: 6,115,112 km (0.072 R)
• M11: 6,516,932 km (0.095 R)
• M12: 7,226,026 km (0.058 R)
• M13: 7,645,199 km (0.09 R)
• M14: 8,466,791 km (0.06 R)
• M15: 9,381,133 km (0.09 R)
• M16: 9,844,437 km (0.113 R)
• M17: 11,128,436 km (0.115 R)
• M18: 11,934,170 km (0.031 R)
• M19: 14,164,974 km (0.096 R)
• M20: 15,159,650 km (0.089 R)
• M21: 15,748,617 km (0.049 R)
• M22: 17,340,936 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.3

Radius: 12.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.65 AU - 4.13 AU

Year: 4308 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,033,964 km

• M1: 157,975 km (0.107 R)
• M2: 683,213 km (0.078 R)
• M3: 1,849,179 km (0.088 R)
• M4: 2,985,674 km (0.089 R)
• M5: 3,461,246 km (0.062 R)
• M6: 3,987,232 km (0.043 R)
• M7: 4,731,481 km (0.117 R)
• M8: 5,303,693 km (0.067 R)
• M9: 6,062,155 km (0.103 R)
• M10: 7,829,354 km (0.082 R)
• M11: 8,997,714 km (0.077 R)
• M12: 10,565,798 km (0.103 R)
• M13: 10,984,972 km (0.088 R)
• M14: 11,722,788 km (0.086 R)
• M15: 12,309,212 km (0.075 R)
• M16: 13,105,521 km (0.086 R)
• M17: 14,440,533 km (0.085 R)
• M18: 15,009,753 km (0.109 R)
• M19: 16,028,065 km (0.112 R)
• M20: 17,612,157 km (0.104 R)
• M21: 19,050,990 km (0.094 R)
• M22: 19,799,129 km (0.108 R)
• M23: 20,566,715 km (0.077 R)
• M24: 23,059,016 km (0.112 R)
• M25: 23,694,508 km (0.056 R)
• M26: 24,341,668 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.5

Radius: 5.7

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.04 AU - 7.44 AU

Year: 13447 Days

Day: 17.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,033,964 km

• M1: 71,059 km (0.086 R)
• M2: 507,885 km (0.118 R)
• M3: 1,267,393 km (0.075 R)
• M4: 1,470,697 km (0.082 R)
• M5: 2,631,127 km (0.052 R)
• M6: 3,741,592 km (0.093 R)
• M7: 4,443,356 km (0.083 R)
• M8: 5,102,783 km (0.112 R)
• M9: 6,319,164 km (0.1 R)
• M10: 6,764,517 km (0.119 R)
• M11: 8,226,088 km (0.071 R)
• M12: 9,076,851 km (0.12 R)
• M13: 9,837,556 km (0.107 R)
• M14: 10,133,461 km (0.077 R)
• M15: 11,648,289 km (0.085 R)
• M16: 13,129,457 km (0.054 R)
• M17: 13,609,367 km (0.075 R)
• M18: 15,847,351 km (0.107 R)
• M19: 16,117,824 km (0.101 R)
• M20: 18,617,305 km (0.062 R)
• M21: 19,841,465 km (0.115 R)
• M22: 20,473,217 km (0.118 R)
• M23: 20,874,737 km (0.054 R)
• M24: 23,746,268 km (0.089 R)
• M25: 25,276,206 km (0.096 R)
• M26: 25,460,361 km (0.075 R)
• M27: 25,645,563 km (0.104 R)
• M28: 28,630,639 km (0.114 R)
• M29: 29,032,010 km (0.107 R)
• M30: 30,570,325 km (0.041 R)
• M31: 30,779,463 km (0.119 R)
• M32: 32,814,143 km (0.101 R)
• M33: 34,482,459 km (0.094 R)
• M34: 41,851,052 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.4

Radius: 5.3

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 9.29 AU - 9.93 AU

Year: 20563 Days

Day: 16.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,033,964 km

• M1: 65,973 km (0.091 R)
• M2: 780,153 km (0.119 R)
• M3: 978,071 km (0.105 R)
• M4: 1,460,973 km (0.12 R)
• M5: 1,676,543 km (0.09 R)
• M6: 1,970,952 km (0.084 R)
• M7: 2,213,899 km (0.046 R)
• M8: 2,663,291 km (0.093 R)
• M9: 3,832,548 km (0.096 R)
• M10: 4,721,309 km (0.095 R)
• M11: 5,232,784 km (0.114 R)
• M12: 6,026,401 km (0.114 R)
• M13: 7,949,032 km (0.032 R)
• M14: 9,269,234 km (0.116 R)
• M15: 9,493,331 km (0.066 R)
• M16: 14,243,812 km (0.09 R)
• M17: 15,698,801 km (0.118 R)
• M18: 17,250,130 km (0.039 R)
• M19: 21,618,987 km (0.053 R)
• M20: 23,534,438 km (0.12 R)
• M21: 23,742,379 km (0.115 R)
• M22: 31,946,775 km (0.077 R)
• M23: 35,233,291 km (0.094 R)
• M24: 37,876,685 km (0.089 R)
• M25: 41,856,287 km (0.1 R)
• M26: 42,776,913 km (0.119 R)
• M27: 43,398,193 km (0.09 R)
• M28: 46,431,439 km (0.113 R)
• M29: 47,252,582 km (0.085 R)
• M30: 49,262,579 km (0.089 R)
• M31: 50,461,007 km (0.107 R)
• M32: 52,206,665 km (0.042 R)
• M33: 56,188,063 km (0.104 R)
• M34: 57,307,952 km (0.088 R)
• M35: 60,756,931 km (0.059 R)
• M36: 65,567,251 km (0.103 R)
• M37: 69,764,817 km (0.071 R)
• M38: 74,138,012 km (0.09 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 20,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit