🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.49 AU - 0.71 AU

Year: 165 Days

Day: 37.5 Hours

Environment

Temp: 228 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,847,883 km

• M1: 50,265 km (0.076 R)
• M2: 232,325 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.95 AU - 1.35 AU

Year: 438 Days

Day: 33.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,847,883 km

• M1: 32,313 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.85 AU - 2.03 AU

Year: 959 Days

Day: 42.9 Hours

Environment

Temp: -63 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,847,883 km

• M1: 191,784 km (0.056 R)
• M2: 1,688,810 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.15 AU - 3.58 AU

Year: 1716 Days

Day: 24.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,847,883 km

• M1: 36,053 km (0.108 R)
• M2: 1,744,012 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.62 AU - 3.62 AU

Year: 1955 Days

Day: 44.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.66 AU - 5.3 AU

Year: 3364 Days

Day: 23.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.09 AU - 5.43 AU

Year: 4280 Days

Day: 22.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,847,883 km

• M1: 29,321 km (0.067 R)
• M2: 1,222,813 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.8

Radius: 10.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.43 AU - 7.33 AU

Year: 5058 Days

Day: 7.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,847,883 km

• M1: 133,142 km (0.08 R)
• M2: 530,923 km (0.111 R)
• M3: 977,622 km (0.095 R)
• M4: 1,685,370 km (0.036 R)
• M5: 2,045,152 km (0.063 R)
• M6: 2,396,707 km (0.107 R)
• M7: 2,756,042 km (0.057 R)
• M8: 3,097,723 km (0.047 R)
• M9: 3,506,424 km (0.078 R)
• M10: 3,951,179 km (0.096 R)
• M11: 4,689,145 km (0.095 R)
• M12: 5,053,715 km (0.065 R)
• M13: 5,569,529 km (0.107 R)
• M14: 6,350,280 km (0.118 R)
• M15: 6,797,877 km (0.09 R)
• M16: 7,202,539 km (0.06 R)
• M17: 7,689,630 km (0.115 R)
• M18: 8,267,975 km (0.104 R)
• M19: 9,171,097 km (0.08 R)
• M20: 11,301,670 km (0.054 R)
• M21: 15,323,908 km (0.045 R)
• M22: 16,240,494 km (0.08 R)
• M23: 18,843,049 km (0.083 R)
• M24: 19,519,381 km (0.12 R)
• M25: 20,531,709 km (0.103 R)
• M26: 22,047,734 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.8

Radius: 3.4

Gravity: 22.73 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 10.39 AU - 15.59 AU

Year: 16609 Days

Day: 20.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,847,883 km

• M1: 42,336 km (0.071 R)
• M2: 317,596 km (0.111 R)
• M3: 487,839 km (0.06 R)
• M4: 708,645 km (0.105 R)
• M5: 851,511 km (0.083 R)
• M6: 1,641,537 km (0.117 R)
• M7: 1,844,542 km (0.072 R)
• M8: 3,050,151 km (0.08 R)
• M9: 3,949,833 km (0.084 R)
• M10: 4,228,085 km (0.105 R)
• M11: 4,917,880 km (0.107 R)
• M12: 5,339,148 km (0.115 R)
• M13: 5,575,812 km (0.059 R)
• M14: 6,106,435 km (0.081 R)
• M15: 6,478,336 km (0.109 R)
• M16: 6,984,276 km (0.065 R)
• M17: 7,770,113 km (0.052 R)
• M18: 7,986,432 km (0.109 R)
• M19: 10,957,595 km (0.109 R)
• M20: 11,900,660 km (0.057 R)
• M21: 13,383,774 km (0.106 R)
• M22: 15,660,803 km (0.115 R)
• M23: 16,926,550 km (0.103 R)
• M24: 20,141,857 km (0.077 R)
• M25: 27,149,470 km (0.089 R)
• M26: 35,031,932 km (0.111 R)
• M27: 35,978,587 km (0.12 R)
• M28: 36,217,794 km (0.092 R)
• M29: 38,170,645 km (0.101 R)
• M30: 39,680,536 km (0.094 R)
• M31: 41,229,772 km (0.102 R)
• M32: 44,037,125 km (0.116 R)
• M33: 45,697,063 km (0.1 R)
• M34: 48,264,611 km (0.102 R)

Kuiper Belt

Range: 30.9 - 57.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 10,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit