🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.2

Radius: 9.5

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.34 AU - 1.84 AU

Year: 1384 Days

Day: 10 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,136,730 km

• M1: 118,182 km (0.117 R)
• M2: 482,004 km (0.092 R)
• M3: 1,175,839 km (0.078 R)
• M4: 1,644,829 km (0.087 R)
• M5: 2,257,432 km (0.114 R)
• M6: 3,001,532 km (0.058 R)
• M7: 5,708,056 km (0.119 R)
• M8: 6,136,205 km (0.115 R)
• M9: 7,780,286 km (0.063 R)
• M10: 8,226,686 km (0.091 R)
• M11: 9,084,929 km (0.034 R)
• M12: 10,062,850 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846

Radius: 12.2

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.53 AU - 1.71 AU

Year: 1423 Days

Day: 13.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,136,730 km

• M1: 151,692 km (0.061 R)
• M2: 537,505 km (0.084 R)
• M3: 918,681 km (0.104 R)
• M4: 1,813,276 km (0.114 R)
• M5: 2,871,382 km (0.106 R)
• M6: 3,361,614 km (0.097 R)
• M7: 3,803,975 km (0.063 R)
• M8: 4,303,781 km (0.119 R)
• M9: 5,093,957 km (0.118 R)
• M10: 5,635,501 km (0.107 R)
• M11: 6,681,938 km (0.044 R)
• M12: 11,414,168 km (0.102 R)
• M13: 12,191,927 km (0.088 R)
• M14: 12,925,705 km (0.088 R)
• M15: 13,404,268 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 13.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.24 AU - 2.3 AU

Year: 2361 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,136,730 km

• M1: 173,234 km (0.111 R)
• M2: 839,094 km (0.054 R)
• M3: 1,318,705 km (0.089 R)
• M4: 1,822,102 km (0.053 R)
• M5: 2,426,178 km (0.105 R)
• M6: 3,385,400 km (0.119 R)
• M7: 4,183,355 km (0.088 R)
• M8: 4,671,493 km (0.106 R)
• M9: 5,221,414 km (0.082 R)
• M10: 6,048,242 km (0.103 R)
• M11: 6,759,729 km (0.052 R)
• M12: 7,314,438 km (0.025 R)
• M13: 10,443,278 km (0.044 R)
• M14: 12,006,276 km (0.099 R)
• M15: 13,997,574 km (0.094 R)
• M16: 14,611,822 km (0.117 R)
• M17: 15,392,424 km (0.098 R)
• M18: 17,901,928 km (0.093 R)
• M19: 19,427,677 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 13.3

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.81 AU - 3.27 AU

Year: 3659 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,136,730 km

• M1: 165,455 km (0.111 R)
• M2: 626,665 km (0.066 R)
• M3: 1,467,106 km (0.082 R)
• M4: 2,160,642 km (0.032 R)
• M5: 2,869,287 km (0.104 R)
• M6: 4,979,365 km (0.065 R)
• M7: 5,957,586 km (0.104 R)
• M8: 6,835,576 km (0.117 R)
• M9: 7,422,897 km (0.06 R)
• M10: 7,902,657 km (0.097 R)
• M11: 8,887,011 km (0.088 R)
• M12: 9,748,096 km (0.116 R)
• M13: 10,793,337 km (0.097 R)
• M14: 11,231,958 km (0.106 R)
• M15: 11,912,030 km (0.059 R)
• M16: 13,963,465 km (0.106 R)
• M17: 14,379,347 km (0.088 R)
• M18: 19,974,756 km (0.075 R)
• M19: 20,570,306 km (0.114 R)
• M20: 21,936,284 km (0.115 R)
• M21: 23,654,266 km (0.115 R)
• M22: 24,696,963 km (0.073 R)
• M23: 25,383,318 km (0.081 R)
• M24: 26,160,778 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.5

Radius: 8.2

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.9 AU - 4.72 AU

Year: 6176 Days

Day: 9.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 119.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,136,730 km

• M1: 102,475 km (0.119 R)
• M2: 371,751 km (0.094 R)
• M3: 644,767 km (0.093 R)
• M4: 950,994 km (0.081 R)
• M5: 1,400,086 km (0.095 R)
• M6: 1,746,854 km (0.098 R)
• M7: 2,834,132 km (0.107 R)
• M8: 3,372,385 km (0.078 R)
• M9: 3,677,564 km (0.065 R)
• M10: 4,000,995 km (0.091 R)
• M11: 4,419,271 km (0.115 R)
• M12: 4,975,924 km (0.072 R)
• M13: 6,358,358 km (0.083 R)
• M14: 7,138,062 km (0.037 R)
• M15: 8,405,605 km (0.06 R)
• M16: 9,556,910 km (0.059 R)
• M17: 11,092,233 km (0.113 R)
• M18: 12,629,501 km (0.064 R)
• M19: 13,693,591 km (0.085 R)
• M20: 14,191,452 km (0.103 R)
• M21: 14,816,323 km (0.049 R)
• M22: 16,120,966 km (0.118 R)
• M23: 18,285,198 km (0.101 R)
• M24: 19,161,542 km (0.114 R)
• M25: 23,259,327 km (0.101 R)
• M26: 27,380,599 km (0.074 R)
• M27: 27,993,950 km (0.05 R)
• M28: 30,352,361 km (0.108 R)
• M29: 31,198,786 km (0.111 R)
• M30: 32,157,409 km (0.025 R)
• M31: 32,546,363 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.9

Radius: 6.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.58 AU - 9.28 AU

Year: 16895 Days

Day: 25 Hours

Environment

Temp: -234 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,136,730 km

• M1: 77,342 km (0.1 R)
• M2: 288,125 km (0.068 R)
• M3: 814,261 km (0.044 R)
• M4: 1,084,734 km (0.09 R)
• M5: 1,414,597 km (0.088 R)
• M6: 2,009,099 km (0.108 R)
• M7: 2,275,234 km (0.119 R)
• M8: 3,087,700 km (0.113 R)
• M9: 3,466,332 km (0.106 R)
• M10: 4,078,936 km (0.108 R)
• M11: 4,906,511 km (0.061 R)
• M12: 5,114,602 km (0.086 R)
• M13: 6,280,567 km (0.116 R)
• M14: 7,933,773 km (0.032 R)
• M15: 8,904,215 km (0.069 R)
• M16: 9,259,659 km (0.109 R)
• M17: 12,017,945 km (0.086 R)
• M18: 12,397,325 km (0.055 R)
• M19: 12,784,634 km (0.059 R)
• M20: 13,122,875 km (0.04 R)
• M21: 13,409,504 km (0.11 R)
• M22: 17,317,450 km (0.084 R)
• M23: 26,638,893 km (0.08 R)
• M24: 30,364,478 km (0.092 R)
• M25: 30,664,721 km (0.083 R)
• M26: 35,298,216 km (0.091 R)
• M27: 35,519,322 km (0.096 R)
• M28: 35,964,226 km (0.068 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 10,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit