🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.77 AU - 0.79 AU

Year: 261 Days

Day: 34.3 Hours

Environment

Temp: 125 °C

Axial Tilt: 44.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.82 AU - 0.94 AU

Year: 313 Days

Day: 31.8 Hours

Environment

Temp: 29 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 83,317,543 km

• M1: 324,179 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.48 AU - 1.56 AU

Year: 710 Days

Day: 41.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.75 AU - 2.01 AU

Year: 976 Days

Day: 38.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,317,543 km

• M1: 39,195 km (0.114 R)
• M2: 615,446 km (0.096 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.91 AU - 2.57 AU

Year: 1270 Days

Day: 23 Hours

Environment

Temp: -79 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.8

Radius: 9.5

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.1 AU - 6.64 AU

Year: 4713 Days

Day: 13.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,317,543 km

• M1: 297,101 km (0.1 R)
• M2: 629,508 km (0.104 R)
• M3: 1,021,155 km (0.076 R)
• M4: 1,526,197 km (0.118 R)
• M5: 2,397,455 km (0.098 R)
• M6: 3,296,688 km (0.095 R)
• M7: 3,767,323 km (0.074 R)
• M8: 5,059,699 km (0.114 R)
• M9: 8,492,522 km (0.117 R)
• M10: 10,822,658 km (0.071 R)
• M11: 12,109,648 km (0.101 R)
• M12: 13,442,715 km (0.04 R)
• M13: 13,763,752 km (0.073 R)
• M14: 14,090,025 km (0.1 R)
• M15: 19,761,280 km (0.082 R)
• M16: 23,869,088 km (0.103 R)
• M17: 24,898,172 km (0.091 R)
• M18: 28,075,780 km (0.081 R)
• M19: 30,216,376 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.6

Radius: 10.1

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.14 AU - 7.74 AU

Year: 7686 Days

Day: 9.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 89.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,317,543 km

• M1: 126,709 km (0.071 R)
• M2: 850,913 km (0.119 R)
• M3: 1,340,995 km (0.117 R)
• M4: 1,687,015 km (0.096 R)
• M5: 2,717,146 km (0.098 R)
• M6: 3,553,697 km (0.089 R)
• M7: 4,096,738 km (0.067 R)
• M8: 5,317,756 km (0.065 R)
• M9: 7,841,322 km (0.031 R)
• M10: 11,175,410 km (0.107 R)
• M11: 12,286,623 km (0.086 R)
• M12: 14,604,642 km (0.045 R)
• M13: 15,416,958 km (0.088 R)
• M14: 22,951,156 km (0.079 R)
• M15: 23,453,356 km (0.065 R)
• M16: 26,806,442 km (0.113 R)
• M17: 29,178,765 km (0.099 R)
• M18: 30,566,735 km (0.1 R)
• M19: 31,894,565 km (0.029 R)
• M20: 33,795,954 km (0.086 R)
• M21: 35,771,843 km (0.119 R)
• M22: 36,560,523 km (0.025 R)
• M23: 38,407,009 km (0.083 R)
• M24: 39,472,445 km (0.075 R)
• M25: 40,193,657 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.3

Radius: 5.9

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 15.69 AU - 20.33 AU

Year: 28948 Days

Day: 20.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,317,543 km

• M1: 73,453 km (0.071 R)
• M2: 306,676 km (0.115 R)
• M3: 644,318 km (0.106 R)
• M4: 1,009,038 km (0.082 R)
• M5: 2,775,639 km (0.116 R)
• M6: 3,092,188 km (0.052 R)
• M7: 3,521,534 km (0.076 R)
• M8: 4,055,149 km (0.047 R)
• M9: 4,463,252 km (0.076 R)
• M10: 4,677,327 km (0.036 R)
• M11: 4,973,381 km (0.11 R)
• M12: 5,400,932 km (0.114 R)
• M13: 6,153,110 km (0.108 R)
• M14: 7,164,392 km (0.118 R)
• M15: 7,709,676 km (0.119 R)
• M16: 8,771,372 km (0.101 R)
• M17: 9,927,016 km (0.115 R)
• M18: 13,998,770 km (0.109 R)
• M19: 15,007,958 km (0.034 R)
• M20: 16,738,955 km (0.065 R)
• M21: 25,222,351 km (0.077 R)
• M22: 26,829,630 km (0.11 R)
• M23: 28,382,157 km (0.091 R)
• M24: 28,626,151 km (0.039 R)
• M25: 31,534,034 km (0.056 R)
• M26: 34,911,805 km (0.091 R)
• M27: 38,225,398 km (0.066 R)
• M28: 42,375,542 km (0.09 R)
• M29: 43,985,813 km (0.034 R)
• M30: 51,920,783 km (0.102 R)
• M31: 59,154,439 km (0.04 R)
• M32: 60,153,603 km (0.101 R)
• M33: 64,472,793 km (0.066 R)
• M34: 68,335,709 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 17,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit