🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.53 AU - 0.79 AU

Year: 203 Days

Day: 12.5 Hours

Environment

Temp: 197 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.85 AU - 1.16 AU

Year: 379 Days

Day: 20.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 50 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.94 AU - 1.26 AU

Year: 437 Days

Day: 22.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 82.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.64 AU - 1.66 AU

Year: 803 Days

Day: 44.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.27 AU - 2.97 AU

Year: 1606 Days

Day: 39.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,957,986 km

• M1: 69,713 km (0.066 R)
• M2: 893,249 km (0.104 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.12 AU - 3.74 AU

Year: 2406 Days

Day: 41.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 11.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 10.38 AU - 11.14 AU

Year: 13368 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,957,986 km

• M1: 139,276 km (0.102 R)
• M2: 585,077 km (0.11 R)
• M3: 1,074,113 km (0.114 R)
• M4: 1,677,291 km (0.078 R)
• M5: 2,026,602 km (0.072 R)
• M6: 2,738,838 km (0.042 R)
• M7: 3,564,468 km (0.118 R)
• M8: 3,998,153 km (0.031 R)
• M9: 5,673,350 km (0.106 R)
• M10: 7,539,882 km (0.049 R)
• M11: 7,973,567 km (0.111 R)
• M12: 8,340,680 km (0.1 R)
• M13: 9,465,506 km (0.101 R)
• M14: 10,493,842 km (0.106 R)
• M15: 11,699,152 km (0.046 R)
• M16: 12,067,462 km (0.116 R)
• M17: 14,745,114 km (0.1 R)
• M18: 24,426,340 km (0.115 R)
• M19: 24,942,453 km (0.046 R)
• M20: 25,996,520 km (0.114 R)
• M21: 26,444,416 km (0.11 R)
• M22: 32,125,544 km (0.115 R)
• M23: 33,689,740 km (0.104 R)
• M24: 34,222,308 km (0.113 R)
• M25: 35,523,361 km (0.118 R)
• M26: 37,993,820 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.4

Radius: 8.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 9.25 AU - 13.65 AU

Year: 14674 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,957,986 km

• M1: 131,945 km (0.071 R)
• M2: 518,805 km (0.065 R)
• M3: 791,672 km (0.08 R)
• M4: 1,269,338 km (0.12 R)
• M5: 1,814,473 km (0.097 R)
• M6: 2,319,515 km (0.109 R)
• M7: 4,567,672 km (0.086 R)
• M8: 5,841,198 km (0.079 R)
• M9: 15,647,788 km (0.031 R)
• M10: 16,078,929 km (0.064 R)
• M11: 22,119,392 km (0.088 R)
• M12: 24,758,448 km (0.055 R)
• M13: 27,689,668 km (0.097 R)
• M14: 29,517,904 km (0.107 R)
• M15: 32,012,897 km (0.072 R)
• M16: 33,820,488 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.9

Radius: 4.2

Gravity: 52.83 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 10.66 AU - 13.7 AU

Year: 16100 Days

Day: 22.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,957,986 km

• M1: 52,210 km (0.08 R)
• M2: 269,875 km (0.103 R)
• M3: 528,978 km (0.115 R)
• M4: 1,060,051 km (0.051 R)
• M5: 1,704,668 km (0.103 R)
• M6: 2,418,848 km (0.053 R)
• M7: 4,343,724 km (0.12 R)
• M8: 4,718,167 km (0.092 R)
• M9: 4,931,344 km (0.08 R)
• M10: 5,768,195 km (0.051 R)
• M11: 6,347,737 km (0.061 R)
• M12: 12,651,043 km (0.109 R)
• M13: 12,993,323 km (0.054 R)
• M14: 17,176,678 km (0.11 R)
• M15: 17,511,927 km (0.106 R)
• M16: 18,719,630 km (0.118 R)
• M17: 20,822,378 km (0.111 R)
• M18: 23,077,416 km (0.048 R)
• M19: 24,845,214 km (0.074 R)
• M20: 26,589,526 km (0.06 R)
• M21: 27,720,186 km (0.114 R)
• M22: 28,297,484 km (0.095 R)
• M23: 30,198,275 km (0.073 R)
• M24: 30,686,413 km (0.108 R)
• M25: 32,820,127 km (0.069 R)
• M26: 33,596,091 km (0.116 R)
• M27: 34,384,323 km (0.114 R)
• M28: 37,520,193 km (0.08 R)
• M29: 38,368,413 km (0.088 R)
• M30: 48,060,859 km (0.054 R)
• M31: 49,061,070 km (0.083 R)
• M32: 54,270,667 km (0.098 R)
• M33: 55,173,191 km (0.117 R)
• M34: 56,823,106 km (0.086 R)
• M35: 59,836,904 km (0.053 R)
• M36: 60,993,894 km (0.088 R)
• M37: 63,153,788 km (0.116 R)
• M38: 67,003,839 km (0.111 R)
• M39: 67,210,583 km (0.039 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 12,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit