🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.5 AU - 0.66 AU

Year: 202 Days

Day: 32.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 4.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 54,281,532 km

• M1: 128,654 km (0.054 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.85 AU - 2.09 AU

Year: 1262 Days

Day: 14.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,281,532 km

• M1: 835,055 km (0.04 R)
• M2: 1,316,162 km (0.083 R)

Asteroid Belt

Center: 2.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 12.3

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.79 AU - 2.93 AU

Year: 2208 Days

Day: 14.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,281,532 km

• M1: 153,039 km (0.103 R)
• M2: 546,182 km (0.063 R)
• M3: 1,098,198 km (0.079 R)
• M4: 1,522,158 km (0.109 R)
• M5: 1,912,160 km (0.084 R)
• M6: 2,346,443 km (0.034 R)
• M7: 3,195,710 km (0.035 R)
• M8: 4,187,095 km (0.119 R)
• M9: 4,735,521 km (0.092 R)
• M10: 5,147,812 km (0.12 R)
• M11: 6,894,367 km (0.082 R)
• M12: 7,373,978 km (0.115 R)
• M13: 8,513,465 km (0.119 R)
• M14: 9,829,777 km (0.102 R)
• M15: 10,438,491 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.6

Radius: 11.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.45 AU - 3.61 AU

Year: 3028 Days

Day: 8.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,281,532 km

• M1: 143,016 km (0.108 R)
• M2: 3,037,286 km (0.079 R)
• M3: 4,493,920 km (0.084 R)
• M4: 5,082,588 km (0.075 R)
• M5: 7,184,737 km (0.107 R)
• M6: 8,777,655 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.5

Radius: 14.5

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.57 AU - 9.15 AU

Year: 9116 Days

Day: 8.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,281,532 km

• M1: 180,265 km (0.096 R)
• M2: 691,292 km (0.073 R)
• M3: 1,205,908 km (0.117 R)
• M4: 2,170,366 km (0.026 R)
• M5: 3,705,090 km (0.11 R)
• M6: 4,381,123 km (0.068 R)
• M7: 5,532,578 km (0.104 R)
• M8: 6,381,696 km (0.076 R)
• M9: 7,398,213 km (0.054 R)
• M10: 7,902,657 km (0.091 R)
• M11: 9,169,601 km (0.113 R)
• M12: 10,673,359 km (0.11 R)
• M13: 11,933,422 km (0.078 R)
• M14: 13,047,477 km (0.069 R)
• M15: 17,095,297 km (0.095 R)
• M16: 17,607,819 km (0.119 R)
• M17: 20,653,931 km (0.041 R)
• M18: 24,310,252 km (0.114 R)
• M19: 28,174,665 km (0.118 R)
• M20: 28,890,640 km (0.071 R)
• M21: 30,465,906 km (0.042 R)
• M22: 37,220,249 km (0.047 R)
• M23: 38,706,654 km (0.062 R)
• M24: 39,591,824 km (0.089 R)
• M25: 42,729,341 km (0.104 R)
• M26: 45,467,730 km (0.114 R)
• M27: 48,759,182 km (0.099 R)
• M28: 49,347,401 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.8

Radius: 4.3

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.97 AU - 11.53 AU

Year: 12844 Days

Day: 23.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,281,532 km

• M1: 65,075 km (0.048 R)
• M2: 225,145 km (0.097 R)
• M3: 371,601 km (0.052 R)
• M4: 632,949 km (0.109 R)
• M5: 1,191,846 km (0.07 R)
• M6: 1,615,059 km (0.079 R)
• M7: 1,831,377 km (0.088 R)
• M8: 3,411,131 km (0.12 R)
• M9: 5,154,095 km (0.081 R)
• M10: 7,083,160 km (0.081 R)
• M11: 8,372,694 km (0.116 R)
• M12: 13,438,227 km (0.079 R)
• M13: 14,134,456 km (0.112 R)
• M14: 18,995,788 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.2

Radius: 4.7

Gravity: 25 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 12.48 AU - 14.8 AU

Year: 23000 Days

Day: 21.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,281,532 km

• M1: 58,493 km (0.082 R)
• M2: 315,352 km (0.077 R)
• M3: 809,025 km (0.102 R)
• M4: 1,361,490 km (0.109 R)
• M5: 1,587,233 km (0.094 R)
• M6: 1,800,261 km (0.055 R)
• M7: 2,197,742 km (0.083 R)
• M8: 2,675,857 km (0.104 R)
• M9: 5,650,012 km (0.082 R)
• M10: 6,949,120 km (0.025 R)
• M11: 10,605,891 km (0.104 R)
• M12: 22,592,121 km (0.085 R)
• M13: 26,471,792 km (0.11 R)
• M14: 26,813,773 km (0.108 R)
• M15: 30,898,692 km (0.05 R)
• M16: 36,917,164 km (0.057 R)
• M17: 42,727,097 km (0.058 R)
• M18: 67,072,804 km (0.112 R)
• M19: 71,385,710 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372

Radius: 6.6

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 13.85 AU - 14.39 AU

Year: 24224 Days

Day: 22.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,281,532 km

• M1: 88,113 km (0.089 R)
• M2: 1,292,077 km (0.075 R)
• M3: 1,595,760 km (0.058 R)
• M4: 2,022,713 km (0.06 R)
• M5: 3,314,790 km (0.112 R)
• M6: 6,502,271 km (0.094 R)
• M7: 7,873,934 km (0.07 R)
• M8: 8,371,048 km (0.065 R)
• M9: 8,731,429 km (0.071 R)
• M10: 16,152,830 km (0.11 R)
• M11: 17,531,973 km (0.038 R)
• M12: 24,664,949 km (0.112 R)
• M13: 25,192,431 km (0.105 R)
• M14: 31,997,189 km (0.077 R)
• M15: 35,885,238 km (0.046 R)
• M16: 38,363,177 km (0.074 R)
• M17: 51,615,305 km (0.059 R)
• M18: 53,175,162 km (0.087 R)
• M19: 60,298,115 km (0.118 R)
• M20: 64,384,680 km (0.057 R)
• M21: 65,786,860 km (0.119 R)
• M22: 67,209,387 km (0.051 R)
• M23: 69,068,140 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.9

Radius: 6.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 11.54 AU - 17.5 AU

Year: 25261 Days

Day: 19.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,281,532 km

• M1: 94,097 km (0.119 R)
• M2: 615,745 km (0.052 R)
• M3: 1,155,943 km (0.065 R)
• M4: 1,412,802 km (0.104 R)
• M5: 2,341,805 km (0.099 R)
• M6: 2,691,266 km (0.09 R)
• M7: 8,470,830 km (0.119 R)
• M8: 10,707,767 km (0.08 R)
• M9: 10,928,872 km (0.117 R)
• M10: 17,195,976 km (0.045 R)
• M11: 17,652,549 km (0.051 R)
• M12: 18,748,952 km (0.118 R)
• M13: 19,477,493 km (0.075 R)
• M14: 20,140,661 km (0.073 R)
• M15: 23,777,684 km (0.072 R)
• M16: 25,113,593 km (0.112 R)
• M17: 26,700,677 km (0.091 R)
• M18: 30,513,777 km (0.063 R)
• M19: 30,958,531 km (0.119 R)
• M20: 34,433,989 km (0.084 R)
• M21: 41,873,940 km (0.099 R)
• M22: 45,820,631 km (0.119 R)
• M23: 50,626,762 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 13,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit