🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.74 AU - 0.9 AU

Year: 281 Days

Day: 43.6 Hours

Environment

Temp: 117 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,927,954 km

• M1: 211,831 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.87 AU - 1.11 AU

Year: 373 Days

Day: 31.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.19 AU - 1.85 AU

Year: 710 Days

Day: 25.8 Hours

Environment

Temp: -58 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,927,954 km

• M1: 184,305 km (0.025 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.35 AU - 2.47 AU

Year: 1417 Days

Day: 44.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 45.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.86 AU - 4.38 AU

Year: 2609 Days

Day: 43.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174

Radius: 14.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.84 AU - 6.42 AU

Year: 5748 Days

Day: 7.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,927,954 km

• M1: 182,061 km (0.046 R)
• M2: 664,663 km (0.088 R)
• M3: 1,337,854 km (0.072 R)
• M4: 2,778,930 km (0.053 R)
• M5: 3,364,307 km (0.063 R)
• M6: 4,154,482 km (0.049 R)
• M7: 6,187,518 km (0.083 R)
• M8: 8,173,429 km (0.101 R)
• M9: 9,062,340 km (0.106 R)
• M10: 10,712,554 km (0.07 R)
• M11: 11,318,724 km (0.117 R)
• M12: 13,138,433 km (0.118 R)
• M13: 15,704,336 km (0.058 R)
• M14: 16,700,657 km (0.058 R)
• M15: 17,627,416 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.4

Radius: 6.6

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 12.68 AU - 18.32 AU

Year: 23112 Days

Day: 18.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,927,954 km

• M1: 82,129 km (0.11 R)
• M2: 314,904 km (0.079 R)
• M3: 856,597 km (0.09 R)
• M4: 1,283,550 km (0.041 R)
• M5: 1,965,716 km (0.096 R)
• M6: 3,818,037 km (0.112 R)
• M7: 4,437,522 km (0.109 R)
• M8: 5,365,328 km (0.104 R)
• M9: 5,787,792 km (0.093 R)
• M10: 6,096,562 km (0.055 R)
• M11: 6,990,260 km (0.11 R)
• M12: 7,650,136 km (0.101 R)
• M13: 7,914,775 km (0.073 R)
• M14: 8,462,303 km (0.083 R)
• M15: 8,802,788 km (0.086 R)
• M16: 9,390,408 km (0.04 R)
• M17: 10,129,870 km (0.117 R)
• M18: 10,384,785 km (0.101 R)
• M19: 11,864,158 km (0.091 R)
• M20: 13,787,239 km (0.12 R)
• M21: 17,866,623 km (0.108 R)
• M22: 19,485,272 km (0.034 R)
• M23: 26,337,004 km (0.101 R)
• M24: 29,708,791 km (0.074 R)
• M25: 35,949,266 km (0.039 R)
• M26: 36,543,020 km (0.117 R)
• M27: 40,722,336 km (0.094 R)
• M28: 46,775,365 km (0.115 R)
• M29: 55,544,493 km (0.12 R)
• M30: 55,940,179 km (0.109 R)
• M31: 66,231,764 km (0.074 R)
• M32: 76,977,230 km (0.104 R)
• M33: 80,464,356 km (0.082 R)
• M34: 88,019,946 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 5.5

Gravity: 24.03 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 15.85 AU - 16.77 AU

Year: 24948 Days

Day: 15.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,927,954 km

• M1: 68,516 km (0.041 R)
• M2: 853,905 km (0.093 R)
• M3: 1,038,359 km (0.084 R)
• M4: 1,438,982 km (0.116 R)
• M5: 2,877,066 km (0.098 R)
• M6: 3,758,347 km (0.115 R)
• M7: 4,999,112 km (0.11 R)
• M8: 5,276,766 km (0.116 R)
• M9: 6,537,577 km (0.048 R)
• M10: 10,320,009 km (0.03 R)
• M11: 11,779,187 km (0.074 R)
• M12: 13,071,413 km (0.054 R)
• M13: 14,296,769 km (0.101 R)
• M14: 16,361,818 km (0.035 R)
• M15: 18,901,541 km (0.091 R)
• M16: 19,092,428 km (0.074 R)
• M17: 24,293,348 km (0.119 R)
• M18: 25,551,915 km (0.113 R)
• M19: 42,384,218 km (0.077 R)
• M20: 60,888,577 km (0.096 R)
• M21: 62,778,148 km (0.076 R)
• M22: 73,992,004 km (0.111 R)
• M23: 78,334,681 km (0.113 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: 429 - 20,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit