🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.43 AU - 0.67 AU

Year: 263 Days

Day: 43.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,855,292 km

• M1: 42,785 km (0.12 R)

Asteroid Belt

Center: 1.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 11

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.29 AU - 1.73 AU

Year: 1198 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,855,292 km

• M1: 137,181 km (0.12 R)
• M2: 496,815 km (0.103 R)
• M3: 1,028,336 km (0.051 R)
• M4: 1,416,393 km (0.06 R)
• M5: 2,563,060 km (0.091 R)
• M6: 3,073,638 km (0.098 R)
• M7: 3,476,954 km (0.071 R)
• M8: 4,539,398 km (0.1 R)
• M9: 4,964,555 km (0.117 R)
• M10: 5,850,474 km (0.098 R)
• M11: 6,378,704 km (0.094 R)
• M12: 6,988,614 km (0.043 R)
• M13: 7,530,757 km (0.109 R)
• M14: 7,880,217 km (0.081 R)
• M15: 8,728,288 km (0.089 R)
• M16: 9,793,425 km (0.099 R)
• M17: 10,243,116 km (0.084 R)
• M18: 11,427,632 km (0.103 R)
• M19: 11,890,039 km (0.119 R)
• M20: 12,551,112 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.5

Radius: 8.5

Gravity: 12.69 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.55 AU - 2.27 AU

Year: 1704 Days

Day: 11.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,855,292 km

• M1: 105,766 km (0.115 R)
• M2: 455,974 km (0.1 R)
• M3: 809,175 km (0.064 R)
• M4: 1,242,111 km (0.097 R)
• M5: 1,696,440 km (0.057 R)
• M6: 2,562,013 km (0.08 R)
• M7: 2,833,683 km (0.093 R)
• M8: 4,006,231 km (0.093 R)
• M9: 4,275,058 km (0.047 R)
• M10: 5,000,758 km (0.091 R)
• M11: 6,126,482 km (0.082 R)
• M12: 6,722,031 km (0.094 R)
• M13: 7,469,870 km (0.034 R)
• M14: 8,520,496 km (0.081 R)
• M15: 8,902,420 km (0.105 R)
• M16: 10,581,955 km (0.065 R)
• M17: 13,632,256 km (0.047 R)
• M18: 14,155,250 km (0.075 R)
• M19: 15,334,380 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.7

Radius: 14.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.3 AU - 3.12 AU

Year: 2881 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,855,292 km

• M1: 183,856 km (0.112 R)
• M2: 1,531,733 km (0.086 R)
• M3: 2,827,400 km (0.077 R)
• M4: 3,375,078 km (0.051 R)
• M5: 4,168,395 km (0.113 R)
• M6: 4,686,901 km (0.033 R)
• M7: 6,198,737 km (0.106 R)
• M8: 7,029,155 km (0.106 R)
• M9: 7,849,849 km (0.074 R)
• M10: 9,184,711 km (0.096 R)
• M11: 10,836,271 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.9

Radius: 10

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.33 AU - 3.19 AU

Year: 2961 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,855,292 km

• M1: 124,316 km (0.088 R)
• M2: 450,589 km (0.098 R)
• M3: 1,071,719 km (0.106 R)
• M4: 1,676,394 km (0.109 R)
• M5: 2,573,233 km (0.089 R)
• M6: 3,445,089 km (0.053 R)
• M7: 4,013,112 km (0.087 R)
• M8: 5,207,801 km (0.117 R)
• M9: 6,013,386 km (0.108 R)
• M10: 8,283,982 km (0.075 R)
• M11: 12,402,561 km (0.093 R)
• M12: 17,023,789 km (0.059 R)
• M13: 17,657,336 km (0.1 R)
• M14: 18,486,557 km (0.11 R)
• M15: 19,403,442 km (0.077 R)
• M16: 19,715,803 km (0.102 R)
• M17: 23,517,384 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 11.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.79 AU - 3.75 AU

Year: 3818 Days

Day: 6.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,855,292 km

• M1: 142,716 km (0.063 R)
• M2: 536,308 km (0.098 R)
• M3: 1,194,539 km (0.107 R)
• M4: 3,325,112 km (0.077 R)
• M5: 4,205,645 km (0.075 R)
• M6: 4,562,286 km (0.074 R)
• M7: 7,623,956 km (0.05 R)
• M8: 9,944,369 km (0.06 R)
• M9: 12,700,710 km (0.08 R)
• M10: 14,081,049 km (0.097 R)
• M11: 17,534,366 km (0.063 R)
• M12: 19,733,306 km (0.093 R)
• M13: 20,611,445 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 40.4

Radius: 4.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.25 AU - 9.25 AU

Year: 13931 Days

Day: 18.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,855,292 km

• M1: 193,879 km (0.091 R)
• M2: 452,534 km (0.107 R)
• M3: 601,533 km (0.075 R)
• M4: 1,097,001 km (0.071 R)
• M5: 1,393,504 km (0.088 R)
• M6: 1,555,369 km (0.09 R)
• M7: 1,705,715 km (0.076 R)
• M8: 2,202,230 km (0.1 R)
• M9: 3,174,168 km (0.045 R)
• M10: 5,379,539 km (0.106 R)
• M11: 6,404,285 km (0.112 R)
• M12: 8,472,775 km (0.098 R)
• M13: 12,625,163 km (0.088 R)
• M14: 12,904,761 km (0.119 R)
• M15: 13,093,404 km (0.12 R)
• M16: 13,573,314 km (0.058 R)
• M17: 15,082,906 km (0.105 R)
• M18: 15,824,313 km (0.061 R)
• M19: 19,401,198 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.7

Radius: 7.9

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.68 AU - 10.66 AU

Year: 17930 Days

Day: 16.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,855,292 km

• M1: 99,183 km (0.107 R)
• M2: 609,462 km (0.116 R)
• M3: 917,185 km (0.083 R)
• M4: 1,371,812 km (0.116 R)
• M5: 1,859,202 km (0.1 R)
• M6: 2,123,841 km (0.104 R)
• M7: 3,419,359 km (0.081 R)
• M8: 4,251,123 km (0.061 R)
• M9: 4,511,872 km (0.054 R)
• M10: 4,923,266 km (0.045 R)
• M11: 11,368,840 km (0.077 R)
• M12: 15,524,519 km (0.098 R)
• M13: 23,196,795 km (0.096 R)
• M14: 29,163,058 km (0.105 R)
• M15: 33,193,224 km (0.099 R)
• M16: 53,728,973 km (0.085 R)
• M17: 62,231,069 km (0.114 R)
• M18: 67,411,792 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.1

Radius: 5.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.45 AU - 10.89 AU

Year: 17930 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,855,292 km

• M1: 112,498 km (0.086 R)
• M2: 304,880 km (0.091 R)
• M3: 1,808,788 km (0.073 R)
• M4: 3,058,977 km (0.101 R)
• M5: 5,581,197 km (0.025 R)
• M6: 7,621,862 km (0.073 R)
• M7: 8,898,829 km (0.042 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 15,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit