🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.5

Radius: 9.3

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.67 AU - 0.77 AU

Year: 394 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,684,776 km

• M1: 120,426 km (0.106 R)
• M2: 415,882 km (0.073 R)
• M3: 726,298 km (0.103 R)
• M4: 1,105,827 km (0.053 R)
• M5: 1,791,435 km (0.113 R)
• M6: 2,165,579 km (0.08 R)
• M7: 3,073,339 km (0.087 R)
• M8: 3,508,818 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.4

Radius: 10.8

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.76 AU - 1.1 AU

Year: 579 Days

Day: 7.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 64.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,684,776 km

• M1: 134,339 km (0.117 R)
• M2: 499,507 km (0.069 R)
• M3: 945,010 km (0.102 R)
• M4: 1,458,579 km (0.057 R)
• M5: 1,810,882 km (0.041 R)
• M6: 2,269,998 km (0.099 R)
• M7: 2,876,019 km (0.091 R)
• M8: 3,281,728 km (0.097 R)
• M9: 4,179,017 km (0.098 R)
• M10: 4,603,575 km (0.03 R)
• M11: 5,339,447 km (0.104 R)
• M12: 5,878,748 km (0.111 R)
• M13: 6,392,915 km (0.114 R)
• M14: 6,915,311 km (0.104 R)
• M15: 7,974,763 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.1

Radius: 8

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.47 AU - 1.67 AU

Year: 1270 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,684,776 km

• M1: 99,483 km (0.111 R)
• M2: 386,112 km (0.094 R)
• M3: 864,376 km (0.112 R)
• M4: 1,392,307 km (0.094 R)
• M5: 1,944,324 km (0.111 R)
• M6: 2,582,059 km (0.106 R)
• M7: 2,865,098 km (0.116 R)
• M8: 3,336,631 km (0.028 R)
• M9: 3,673,525 km (0.091 R)
• M10: 4,303,931 km (0.042 R)
• M11: 4,743,150 km (0.093 R)
• M12: 5,360,541 km (0.091 R)
• M13: 6,655,160 km (0.102 R)
• M14: 9,913,103 km (0.087 R)
• M15: 10,679,642 km (0.116 R)
• M16: 11,306,607 km (0.108 R)
• M17: 12,368,004 km (0.074 R)
• M18: 12,826,073 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.7

Radius: 12.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.5 AU - 2.48 AU

Year: 1813 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,684,776 km

• M1: 161,566 km (0.046 R)
• M2: 566,078 km (0.069 R)
• M3: 1,093,710 km (0.075 R)
• M4: 1,816,866 km (0.116 R)
• M5: 3,183,592 km (0.079 R)
• M6: 4,101,076 km (0.095 R)
• M7: 5,323,291 km (0.042 R)
• M8: 6,279,221 km (0.089 R)
• M9: 8,612,050 km (0.102 R)
• M10: 9,225,701 km (0.102 R)
• M11: 9,928,212 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.1

Radius: 9.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.8 AU - 2.58 AU

Year: 2093 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,684,776 km

• M1: 157,975 km (0.101 R)
• M2: 553,063 km (0.115 R)
• M3: 1,817,614 km (0.087 R)
• M4: 2,540,471 km (0.084 R)
• M5: 4,051,410 km (0.085 R)
• M6: 5,874,260 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.2

Radius: 14.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.2 AU - 2.76 AU

Year: 2522 Days

Day: 13.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,684,776 km

• M1: 180,265 km (0.112 R)
• M2: 791,522 km (0.1 R)
• M3: 1,254,229 km (0.107 R)
• M4: 1,850,825 km (0.099 R)
• M5: 2,338,514 km (0.118 R)
• M6: 3,528,864 km (0.081 R)
• M7: 3,980,799 km (0.099 R)
• M8: 4,785,486 km (0.108 R)
• M9: 5,600,495 km (0.12 R)
• M10: 6,639,602 km (0.095 R)
• M11: 8,045,972 km (0.066 R)
• M12: 10,388,824 km (0.054 R)
• M13: 11,442,741 km (0.055 R)
• M14: 12,901,171 km (0.105 R)
• M15: 13,719,322 km (0.115 R)
• M16: 14,208,656 km (0.062 R)
• M17: 15,175,358 km (0.097 R)
• M18: 16,283,878 km (0.084 R)
• M19: 17,291,120 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.3

Radius: 7.4

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.07 AU - 6.39 AU

Year: 10040 Days

Day: 17.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,684,776 km

• M1: 92,003 km (0.091 R)
• M2: 364,271 km (0.118 R)
• M3: 629,508 km (0.103 R)
• M4: 894,296 km (0.086 R)
• M5: 1,569,581 km (0.047 R)
• M6: 2,087,040 km (0.118 R)
• M7: 2,955,156 km (0.055 R)
• M8: 3,690,280 km (0.085 R)
• M9: 3,933,078 km (0.039 R)
• M10: 4,572,160 km (0.098 R)
• M11: 5,046,086 km (0.071 R)
• M12: 6,785,161 km (0.101 R)
• M13: 9,278,808 km (0.11 R)
• M14: 9,831,871 km (0.108 R)
• M15: 10,460,033 km (0.09 R)
• M16: 11,738,496 km (0.034 R)
• M17: 12,325,518 km (0.061 R)
• M18: 16,266,824 km (0.094 R)
• M19: 16,922,362 km (0.079 R)
• M20: 18,915,604 km (0.1 R)
• M21: 19,968,623 km (0.077 R)
• M22: 22,190,899 km (0.094 R)
• M23: 25,050,014 km (0.04 R)
• M24: 27,938,599 km (0.033 R)
• M25: 32,390,482 km (0.112 R)
• M26: 35,688,666 km (0.055 R)
• M27: 42,259,005 km (0.103 R)
• M28: 44,194,353 km (0.086 R)
• M29: 44,757,888 km (0.074 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 20,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit