🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.55 AU - 0.69 AU

Year: 172 Days

Day: 30.6 Hours

Environment

Temp: 243 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.8 AU - 0.86 AU

Year: 267 Days

Day: 27.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.2 AU - 1.22 AU

Year: 470 Days

Day: 17.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 29.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 77,930,317 km

• M1: 591,510 km (0.081 R)
• M2: 769,681 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.34 AU - 2.04 AU

Year: 776 Days

Day: 32.5 Hours

Environment

Temp: -34 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.74 AU - 2.4 AU

Year: 1052 Days

Day: 30.6 Hours

Environment

Temp: -52 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,930,317 km

• M1: 931,396 km (0.1 R)
• M2: 1,466,957 km (0.103 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.07 AU - 2.31 AU

Year: 1144 Days

Day: 41.3 Hours

Environment

Temp: -70 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 12.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 10.2

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 10.58 AU - 15.32 AU

Year: 16455 Days

Day: 12.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 77,930,317 km

• M1: 131,347 km (0.028 R)
• M2: 558,898 km (0.042 R)
• M3: 1,077,105 km (0.069 R)
• M4: 1,810,733 km (0.111 R)
• M5: 2,824,707 km (0.052 R)
• M6: 3,470,820 km (0.074 R)
• M7: 4,949,745 km (0.054 R)
• M8: 5,969,404 km (0.034 R)
• M9: 8,168,941 km (0.091 R)
• M10: 11,664,146 km (0.089 R)
• M11: 12,506,382 km (0.062 R)
• M12: 18,433,300 km (0.062 R)
• M13: 19,307,550 km (0.094 R)
• M14: 20,393,032 km (0.057 R)
• M15: 21,423,313 km (0.109 R)
• M16: 22,488,001 km (0.074 R)
• M17: 22,983,469 km (0.045 R)
• M18: 23,587,545 km (0.032 R)
• M19: 26,547,638 km (0.083 R)
• M20: 32,183,588 km (0.113 R)
• M21: 34,226,497 km (0.098 R)
• M22: 36,762,929 km (0.038 R)
• M23: 44,963,734 km (0.115 R)
• M24: 45,750,320 km (0.072 R)
• M25: 46,386,261 km (0.072 R)
• M26: 48,001,618 km (0.065 R)
• M27: 50,494,667 km (0.116 R)
• M28: 51,515,672 km (0.062 R)
• M29: 54,660,968 km (0.061 R)
• M30: 56,280,813 km (0.08 R)
• M31: 61,139,453 km (0.071 R)
• M32: 62,104,808 km (0.119 R)
• M33: 66,880,570 km (0.061 R)
• M34: 70,196,856 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.4

Radius: 6.2

Gravity: 24.2 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 10.98 AU - 16.3 AU

Year: 17788 Days

Day: 23.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,930,317 km

• M1: 79,885 km (0.104 R)
• M2: 384,167 km (0.117 R)
• M3: 952,190 km (0.054 R)
• M4: 1,917,546 km (0.08 R)
• M5: 2,441,587 km (0.095 R)
• M6: 2,799,275 km (0.095 R)
• M7: 3,589,751 km (0.079 R)
• M8: 5,022,449 km (0.116 R)
• M9: 6,529,797 km (0.114 R)
• M10: 8,263,637 km (0.115 R)
• M11: 9,462,664 km (0.083 R)
• M12: 10,587,789 km (0.106 R)
• M13: 11,932,076 km (0.049 R)
• M14: 12,610,652 km (0.113 R)
• M15: 14,343,743 km (0.106 R)
• M16: 15,110,582 km (0.114 R)
• M17: 16,229,723 km (0.091 R)
• M18: 17,062,086 km (0.067 R)
• M19: 17,661,525 km (0.079 R)
• M20: 18,631,667 km (0.07 R)
• M21: 20,200,200 km (0.101 R)
• M22: 21,854,753 km (0.092 R)
• M23: 22,459,577 km (0.093 R)
• M24: 22,766,253 km (0.051 R)
• M25: 23,492,401 km (0.102 R)
• M26: 25,987,693 km (0.117 R)
• M27: 40,993,407 km (0.107 R)
• M28: 41,912,985 km (0.115 R)
• M29: 47,888,672 km (0.113 R)
• M30: 49,423,546 km (0.049 R)
• M31: 57,401,601 km (0.098 R)
• M32: 60,305,894 km (0.1 R)
• M33: 61,694,311 km (0.067 R)
• M34: 66,196,160 km (0.051 R)
• M35: 74,479,245 km (0.087 R)
• M36: 74,706,035 km (0.089 R)
• M37: 76,306,882 km (0.092 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 16,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit