🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.48 AU - 0.64 AU

Year: 147 Days

Day: 20 Hours

Environment

Temp: 257 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 59,730,935 km

• M1: 22,440 km (0.119 R)
• M2: 83,625 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.53 AU - 0.73 AU

Year: 175 Days

Day: 32.5 Hours

Environment

Temp: 245 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.27 AU - 1.67 AU

Year: 624 Days

Day: 21.1 Hours

Environment

Temp: -14 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.94 AU - 3.24 AU

Year: 1900 Days

Day: 17.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 4.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,730,935 km

• M1: 119,529 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.15 AU - 4.97 AU

Year: 2862 Days

Day: 30.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,730,935 km

• M1: 1,818,362 km (0.113 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.28 AU - 5.58 AU

Year: 4427 Days

Day: 43.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.1

Radius: 13

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 10.72 AU - 13.42 AU

Year: 14670 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,730,935 km

• M1: 174,880 km (0.08 R)
• M2: 636,689 km (0.102 R)
• M3: 1,722,021 km (0.111 R)
• M4: 2,140,746 km (0.088 R)
• M5: 3,684,446 km (0.094 R)
• M6: 6,937,152 km (0.046 R)
• M7: 9,052,167 km (0.101 R)
• M8: 11,431,372 km (0.073 R)
• M9: 12,985,394 km (0.074 R)
• M10: 13,890,312 km (0.116 R)
• M11: 14,305,745 km (0.111 R)
• M12: 14,944,528 km (0.114 R)
• M13: 16,624,961 km (0.079 R)
• M14: 18,366,131 km (0.03 R)
• M15: 20,027,864 km (0.029 R)
• M16: 25,924,862 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 13.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.1

Radius: 9

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 11.2 AU - 15.12 AU

Year: 16702 Days

Day: 10.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,730,935 km

• M1: 112,049 km (0.027 R)
• M2: 408,253 km (0.12 R)
• M3: 851,062 km (0.096 R)
• M4: 1,175,839 km (0.092 R)
• M5: 5,061,345 km (0.063 R)
• M6: 7,016,439 km (0.046 R)
• M7: 12,816,199 km (0.097 R)
• M8: 14,818,716 km (0.1 R)
• M9: 17,103,824 km (0.105 R)
• M10: 25,352,950 km (0.103 R)
• M11: 36,186,977 km (0.044 R)
• M12: 37,849,608 km (0.074 R)
• M13: 38,273,119 km (0.093 R)
• M14: 42,379,431 km (0.082 R)
• M15: 42,989,043 km (0.119 R)
• M16: 52,323,351 km (0.12 R)
• M17: 57,181,393 km (0.097 R)
• M18: 59,814,913 km (0.109 R)
• M19: 64,918,445 km (0.099 R)
• M20: 66,956,267 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.2

Radius: 7.2

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 10.4 AU - 17.22 AU

Year: 17954 Days

Day: 18.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,730,935 km

• M1: 91,105 km (0.074 R)
• M2: 538,552 km (0.051 R)
• M3: 863,629 km (0.081 R)
• M4: 1,250,489 km (0.083 R)
• M5: 1,484,759 km (0.09 R)
• M6: 1,866,383 km (0.091 R)
• M7: 3,573,295 km (0.095 R)
• M8: 4,603,575 km (0.071 R)
• M9: 5,101,138 km (0.118 R)
• M10: 7,544,669 km (0.103 R)
• M11: 8,918,576 km (0.05 R)
• M12: 12,338,683 km (0.081 R)
• M13: 15,578,075 km (0.119 R)
• M14: 16,317,837 km (0.116 R)
• M15: 22,350,520 km (0.038 R)
• M16: 35,565,697 km (0.081 R)
• M17: 36,716,853 km (0.096 R)
• M18: 37,760,747 km (0.076 R)
• M19: 42,704,358 km (0.042 R)
• M20: 43,568,136 km (0.12 R)
• M21: 49,943,548 km (0.116 R)
• M22: 50,261,743 km (0.066 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 17,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit