🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.43 AU - 0.71 AU

Year: 274 Days

Day: 16.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 76.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.8

Radius: 13.1

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.64 AU - 0.84 AU

Year: 405 Days

Day: 6.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,112,051 km

• M1: 163,361 km (0.028 R)
• M2: 618,737 km (0.119 R)
• M3: 1,701,227 km (0.113 R)
• M4: 2,370,079 km (0.092 R)
• M5: 3,797,991 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 8.7

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.7 AU - 0.92 AU

Year: 464 Days

Day: 13.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,112,051 km

• M1: 108,458 km (0.05 R)
• M2: 424,559 km (0.033 R)
• M3: 1,235,678 km (0.085 R)
• M4: 1,737,579 km (0.086 R)
• M5: 2,234,095 km (0.033 R)
• M6: 2,960,392 km (0.067 R)
• M7: 3,250,163 km (0.096 R)
• M8: 3,546,816 km (0.11 R)
• M9: 3,926,645 km (0.062 R)
• M10: 4,783,242 km (0.111 R)
• M11: 5,458,378 km (0.058 R)
• M12: 5,742,314 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 11.2

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.17 AU - 1.23 AU

Year: 836 Days

Day: 6.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,112,051 km

• M1: 139,276 km (0.072 R)
• M2: 488,587 km (0.12 R)
• M3: 1,108,071 km (0.115 R)
• M4: 2,009,099 km (0.109 R)
• M5: 2,548,699 km (0.107 R)
• M6: 3,357,724 km (0.097 R)
• M7: 3,739,797 km (0.055 R)
• M8: 4,406,106 km (0.11 R)
• M9: 4,768,133 km (0.078 R)
• M10: 5,606,330 km (0.088 R)
• M11: 6,013,386 km (0.12 R)
• M12: 6,991,606 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.1

Radius: 13.6

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.67 AU - 2.69 AU

Year: 2047 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,112,051 km

• M1: 169,195 km (0.112 R)
• M2: 736,919 km (0.104 R)
• M3: 2,202,679 km (0.116 R)
• M4: 6,463,376 km (0.112 R)
• M5: 9,335,506 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.5

Radius: 8.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.15 AU - 2.27 AU

Year: 2089 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,112,051 km

• M1: 104,569 km (0.065 R)
• M2: 407,953 km (0.12 R)
• M3: 787,483 km (0.068 R)
• M4: 2,345,395 km (0.084 R)
• M5: 2,738,987 km (0.108 R)
• M6: 3,860,223 km (0.113 R)
• M7: 4,230,777 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.9

Radius: 11.5

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.87 AU - 3.03 AU

Year: 2438 Days

Day: 14.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,112,051 km

• M1: 144,063 km (0.108 R)
• M2: 532,269 km (0.068 R)
• M3: 1,202,617 km (0.109 R)
• M4: 1,675,945 km (0.078 R)
• M5: 2,164,083 km (0.11 R)
• M6: 3,504,929 km (0.084 R)
• M7: 4,576,199 km (0.091 R)
• M8: 5,158,733 km (0.073 R)
• M9: 5,601,543 km (0.114 R)
• M10: 7,684,843 km (0.043 R)
• M11: 8,536,802 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350

Radius: 7.3

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.56 AU - 9.22 AU

Year: 12773 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 45,112,051 km

• M1: 90,806 km (0.106 R)
• M2: 319,840 km (0.08 R)
• M3: 1,200,224 km (0.108 R)
• M4: 1,860,250 km (0.066 R)
• M5: 2,208,813 km (0.101 R)
• M6: 2,865,398 km (0.095 R)
• M7: 3,546,816 km (0.117 R)
• M8: 3,822,226 km (0.096 R)
• M9: 4,530,422 km (0.087 R)
• M10: 5,355,155 km (0.045 R)
• M11: 5,854,662 km (0.091 R)
• M12: 7,179,950 km (0.074 R)
• M13: 8,210,978 km (0.106 R)
• M14: 8,829,566 km (0.045 R)
• M15: 9,337,151 km (0.046 R)
• M16: 10,109,974 km (0.096 R)
• M17: 10,563,106 km (0.054 R)
• M18: 11,455,756 km (0.114 R)
• M19: 12,684,403 km (0.098 R)
• M20: 12,916,879 km (0.111 R)
• M21: 13,152,196 km (0.083 R)
• M22: 15,533,046 km (0.112 R)
• M23: 18,781,863 km (0.043 R)
• M24: 20,089,049 km (0.059 R)
• M25: 21,455,775 km (0.08 R)
• M26: 22,712,098 km (0.086 R)
• M27: 23,401,894 km (0.104 R)
• M28: 27,641,947 km (0.09 R)
• M29: 30,251,532 km (0.087 R)
• M30: 35,262,761 km (0.08 R)
• M31: 37,365,509 km (0.11 R)
• M32: 38,447,550 km (0.096 R)
• M33: 41,435,169 km (0.119 R)
• M34: 44,306,551 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 10,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit