🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.48 AU - 0.56 AU

Year: 238 Days

Day: 25.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,431,050 km

• M1: 24,534 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.9

Radius: 12.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.7 AU - 1.06 AU

Year: 525 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,431,050 km

• M1: 153,039 km (0.114 R)
• M2: 576,700 km (0.08 R)
• M3: 1,247,945 km (0.079 R)
• M4: 1,813,725 km (0.114 R)
• M5: 2,488,411 km (0.117 R)
• M6: 3,744,734 km (0.113 R)
• M7: 4,513,966 km (0.113 R)
• M8: 5,620,691 km (0.088 R)
• M9: 6,183,478 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.5

Radius: 8.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.28 AU - 1.48 AU

Year: 1031 Days

Day: 12.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,431,050 km

• M1: 110,702 km (0.11 R)
• M2: 412,142 km (0.1 R)
• M3: 733,478 km (0.073 R)
• M4: 1,150,108 km (0.096 R)
• M5: 1,687,015 km (0.087 R)
• M6: 2,089,882 km (0.104 R)
• M7: 2,556,029 km (0.084 R)
• M8: 3,270,957 km (0.095 R)
• M9: 3,682,800 km (0.111 R)
• M10: 3,991,271 km (0.091 R)
• M11: 5,129,113 km (0.084 R)
• M12: 5,802,453 km (0.097 R)
• M13: 6,160,590 km (0.119 R)
• M14: 6,725,471 km (0.102 R)
• M15: 7,165,738 km (0.081 R)
• M16: 7,508,616 km (0.087 R)

Asteroid Belt

Center: 3.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.5

Radius: 9.7

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.13 AU - 6.41 AU

Year: 8812 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,431,050 km

• M1: 126,859 km (0.105 R)
• M2: 445,203 km (0.05 R)
• M3: 1,618,350 km (0.096 R)
• M4: 2,151,965 km (0.11 R)
• M5: 2,518,331 km (0.109 R)
• M6: 2,820,069 km (0.095 R)
• M7: 3,849,602 km (0.108 R)
• M8: 4,624,519 km (0.098 R)
• M9: 7,054,587 km (0.03 R)
• M10: 8,299,989 km (0.106 R)
• M11: 9,067,725 km (0.097 R)
• M12: 10,744,269 km (0.105 R)
• M13: 12,272,860 km (0.101 R)
• M14: 13,817,308 km (0.091 R)
• M15: 15,891,333 km (0.097 R)
• M16: 18,090,571 km (0.116 R)
• M17: 18,841,253 km (0.084 R)
• M18: 19,612,730 km (0.062 R)
• M19: 21,716,674 km (0.044 R)
• M20: 23,171,214 km (0.116 R)
• M21: 23,788,605 km (0.05 R)
• M22: 26,848,031 km (0.091 R)
• M23: 29,744,844 km (0.079 R)
• M24: 30,684,767 km (0.089 R)
• M25: 38,558,702 km (0.106 R)
• M26: 39,301,006 km (0.103 R)
• M27: 46,556,054 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.8

Radius: 7.4

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.22 AU - 9.82 AU

Year: 14441 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,431,050 km

• M1: 93,798 km (0.103 R)
• M2: 367,562 km (0.105 R)
• M3: 1,358,349 km (0.084 R)
• M4: 2,276,431 km (0.039 R)
• M5: 2,544,061 km (0.063 R)
• M6: 3,476,056 km (0.111 R)
• M7: 4,914,589 km (0.051 R)
• M8: 6,588,290 km (0.038 R)
• M9: 9,263,998 km (0.11 R)
• M10: 12,027,669 km (0.073 R)
• M11: 12,337,336 km (0.063 R)
• M12: 13,037,604 km (0.08 R)
• M13: 14,656,851 km (0.099 R)
• M14: 16,104,959 km (0.051 R)
• M15: 17,566,829 km (0.074 R)
• M16: 21,288,076 km (0.054 R)
• M17: 21,559,447 km (0.099 R)
• M18: 22,480,670 km (0.118 R)
• M19: 22,950,857 km (0.111 R)
• M20: 24,599,275 km (0.086 R)
• M21: 25,503,146 km (0.071 R)
• M22: 26,952,899 km (0.115 R)
• M23: 28,456,806 km (0.094 R)
• M24: 30,129,161 km (0.086 R)
• M25: 34,782,403 km (0.096 R)
• M26: 35,159,090 km (0.096 R)
• M27: 36,176,655 km (0.117 R)
• M28: 45,183,793 km (0.112 R)
• M29: 46,995,273 km (0.111 R)
• M30: 51,898,194 km (0.094 R)
• M31: 57,831,246 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446

Radius: 4.7

Gravity: 20.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.29 AU - 10.67 AU

Year: 17110 Days

Day: 15.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,431,050 km

• M1: 58,493 km (0.049 R)
• M2: 266,883 km (0.12 R)
• M3: 452,982 km (0.097 R)
• M4: 682,017 km (0.12 R)
• M5: 879,187 km (0.087 R)
• M6: 1,031,328 km (0.066 R)
• M7: 1,334,114 km (0.096 R)
• M8: 1,521,560 km (0.066 R)
• M9: 2,153,611 km (0.06 R)
• M10: 2,782,670 km (0.117 R)
• M11: 3,342,166 km (0.047 R)
• M12: 3,773,457 km (0.12 R)
• M13: 4,090,903 km (0.096 R)
• M14: 4,746,142 km (0.116 R)
• M15: 5,116,098 km (0.114 R)
• M16: 6,542,812 km (0.118 R)
• M17: 7,259,536 km (0.068 R)
• M18: 8,310,760 km (0.077 R)
• M19: 9,303,940 km (0.115 R)
• M20: 10,541,115 km (0.102 R)
• M21: 11,702,742 km (0.068 R)
• M22: 12,947,097 km (0.049 R)
• M23: 16,288,515 km (0.081 R)
• M24: 22,590,625 km (0.081 R)
• M25: 23,537,131 km (0.065 R)
• M26: 24,906,400 km (0.083 R)
• M27: 26,743,761 km (0.092 R)
• M28: 27,482,026 km (0.043 R)
• M29: 44,212,454 km (0.048 R)
• M30: 51,771,036 km (0.109 R)
• M31: 52,587,541 km (0.112 R)
• M32: 55,598,049 km (0.029 R)
• M33: 57,493,154 km (0.076 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 11,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit