🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.1

Radius: 9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.58 AU - 0.64 AU

Year: 329 Days

Day: 8.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 92,142,330 km

• M1: 111,899 km (0.098 R)
• M2: 496,815 km (0.111 R)
• M3: 911,350 km (0.057 R)
• M4: 1,223,711 km (0.096 R)
• M5: 1,719,179 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.7

Radius: 13.1

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.99 AU - 1.41 AU

Year: 907 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,142,330 km

• M1: 162,912 km (0.117 R)
• M2: 576,401 km (0.112 R)
• M3: 1,008,439 km (0.083 R)
• M4: 1,453,942 km (0.071 R)
• M5: 2,125,187 km (0.069 R)
• M6: 4,260,547 km (0.119 R)
• M7: 5,166,811 km (0.086 R)
• M8: 6,002,615 km (0.034 R)
• M9: 7,117,717 km (0.049 R)
• M10: 7,814,394 km (0.117 R)
• M11: 8,232,520 km (0.077 R)
• M12: 9,000,556 km (0.114 R)
• M13: 9,936,291 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 15

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.24 AU - 1.44 AU

Year: 1071 Days

Day: 12.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,142,330 km

• M1: 187,596 km (0.12 R)
• M2: 815,907 km (0.102 R)
• M3: 1,467,406 km (0.061 R)
• M4: 2,150,170 km (0.112 R)
• M5: 3,018,287 km (0.113 R)
• M6: 3,547,265 km (0.113 R)
• M7: 4,179,914 km (0.105 R)
• M8: 5,092,461 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 9.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.32 AU - 1.44 AU

Year: 1119 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,142,330 km

• M1: 113,246 km (0.058 R)
• M2: 628,461 km (0.091 R)
• M3: 960,568 km (0.114 R)
• M4: 1,354,758 km (0.109 R)
• M5: 1,686,866 km (0.086 R)
• M6: 2,035,877 km (0.12 R)
• M7: 3,156,365 km (0.115 R)
• M8: 3,480,993 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.1

Radius: 8.3

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.42 AU - 3 AU

Year: 3079 Days

Day: 14.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,142,330 km

• M1: 103,223 km (0.054 R)
• M2: 376,837 km (0.104 R)
• M3: 651,349 km (0.087 R)
• M4: 1,492,089 km (0.07 R)
• M5: 1,785,750 km (0.077 R)
• M6: 2,565,304 km (0.098 R)
• M7: 3,142,453 km (0.078 R)
• M8: 3,443,893 km (0.105 R)
• M9: 4,209,086 km (0.113 R)
• M10: 8,564,777 km (0.077 R)
• M11: 9,334,608 km (0.071 R)
• M12: 10,457,639 km (0.103 R)
• M13: 12,264,333 km (0.069 R)
• M14: 14,510,545 km (0.1 R)
• M15: 15,350,088 km (0.108 R)
• M16: 16,117,375 km (0.073 R)
• M17: 18,401,884 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 12.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.14 AU - 3.54 AU

Year: 4213 Days

Day: 13.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,142,330 km

• M1: 151,692 km (0.093 R)
• M2: 625,020 km (0.027 R)
• M3: 1,334,862 km (0.109 R)
• M4: 1,759,720 km (0.065 R)
• M5: 2,509,355 km (0.053 R)
• M6: 3,012,004 km (0.069 R)
• M7: 3,975,563 km (0.093 R)
• M8: 9,314,861 km (0.069 R)
• M9: 15,775,993 km (0.077 R)

Asteroid Belt

Center: 4.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 10.4

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.53 AU - 4.93 AU

Year: 7101 Days

Day: 10.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,142,330 km

• M1: 129,402 km (0.114 R)
• M2: 880,533 km (0.088 R)
• M3: 2,222,276 km (0.118 R)
• M4: 2,575,028 km (0.101 R)
• M5: 3,416,815 km (0.096 R)
• M6: 3,913,630 km (0.096 R)
• M7: 4,330,110 km (0.119 R)
• M8: 4,803,288 km (0.106 R)
• M9: 6,333,824 km (0.084 R)
• M10: 6,771,248 km (0.099 R)
• M11: 7,121,457 km (0.063 R)
• M12: 7,896,224 km (0.078 R)
• M13: 9,015,665 km (0.11 R)
• M14: 9,397,140 km (0.12 R)
• M15: 12,221,996 km (0.114 R)
• M16: 19,624,398 km (0.102 R)
• M17: 20,266,323 km (0.117 R)
• M18: 21,441,863 km (0.084 R)
• M19: 22,974,493 km (0.115 R)
• M20: 24,252,358 km (0.109 R)
• M21: 25,408,750 km (0.069 R)
• M22: 27,653,166 km (0.116 R)
• M23: 32,236,995 km (0.066 R)
• M24: 33,030,611 km (0.067 R)
• M25: 33,837,094 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.9

Radius: 5.5

Gravity: 30.81 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.26 AU - 12.36 AU

Year: 22851 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,142,330 km

• M1: 68,516 km (0.103 R)
• M2: 379,081 km (0.049 R)
• M3: 570,417 km (0.112 R)
• M4: 1,941,780 km (0.065 R)
• M5: 2,554,384 km (0.09 R)
• M6: 2,973,706 km (0.107 R)
• M7: 3,529,911 km (0.092 R)
• M8: 4,222,549 km (0.031 R)
• M9: 4,846,522 km (0.109 R)
• M10: 5,742,913 km (0.114 R)
• M11: 6,460,833 km (0.112 R)
• M12: 6,938,798 km (0.106 R)
• M13: 7,287,211 km (0.119 R)
• M14: 8,347,262 km (0.112 R)
• M15: 11,034,040 km (0.099 R)
• M16: 13,931,900 km (0.073 R)
• M17: 14,167,666 km (0.081 R)
• M18: 15,723,933 km (0.118 R)
• M19: 16,324,868 km (0.084 R)
• M20: 16,675,076 km (0.103 R)
• M21: 21,800,449 km (0.118 R)
• M22: 22,763,859 km (0.08 R)
• M23: 22,981,823 km (0.095 R)
• M24: 24,775,203 km (0.101 R)
• M25: 29,922,716 km (0.058 R)
• M26: 30,447,206 km (0.12 R)
• M27: 34,291,871 km (0.105 R)
• M28: 35,593,073 km (0.085 R)
• M29: 37,682,357 km (0.098 R)
• M30: 37,987,238 km (0.108 R)
• M31: 44,778,383 km (0.1 R)
• M32: 45,292,251 km (0.06 R)
• M33: 47,920,985 km (0.119 R)
• M34: 49,181,646 km (0.036 R)
• M35: 50,835,002 km (0.107 R)
• M36: 56,413,955 km (0.085 R)
• M37: 61,750,710 km (0.113 R)
• M38: 72,940,631 km (0.111 R)
• M39: 82,809,004 km (0.103 R)
• M40: 86,462,633 km (0.077 R)
• M41: 89,407,616 km (0.026 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 11,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit