🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.81 AU - 1.11 AU

Year: 335 Days

Day: 26.9 Hours

Environment

Temp: 117 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 80,369,335 km

• M1: 304,731 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.91 AU - 1.19 AU

Year: 384 Days

Day: 44 Hours

Environment

Temp: 40 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.15 AU - 1.57 AU

Year: 565 Days

Day: 12.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 13 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 80,369,335 km

• M1: 217,216 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.27 AU - 1.83 AU

Year: 688 Days

Day: 23.8 Hours

Environment

Temp: -36 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.59 AU - 2.31 AU

Year: 971 Days

Day: 26.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.5

Radius: 8.1

Gravity: 15.19 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.58 AU - 7.14 AU

Year: 5717 Days

Day: 10.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,369,335 km

• M1: 100,829 km (0.038 R)
• M2: 356,641 km (0.108 R)
• M3: 1,490,892 km (0.069 R)
• M4: 1,841,550 km (0.095 R)
• M5: 2,246,661 km (0.095 R)
• M6: 2,710,115 km (0.034 R)
• M7: 3,046,561 km (0.11 R)
• M8: 3,949,833 km (0.069 R)
• M9: 4,934,635 km (0.101 R)
• M10: 6,376,460 km (0.114 R)
• M11: 6,866,093 km (0.117 R)
• M12: 8,695,376 km (0.12 R)
• M13: 8,993,226 km (0.057 R)
• M14: 10,206,315 km (0.117 R)
• M15: 10,974,649 km (0.083 R)
• M16: 12,093,492 km (0.059 R)
• M17: 14,855,517 km (0.05 R)
• M18: 17,807,083 km (0.095 R)
• M19: 18,080,847 km (0.074 R)
• M20: 20,076,932 km (0.09 R)
• M21: 20,748,626 km (0.102 R)
• M22: 22,057,907 km (0.108 R)
• M23: 23,750,457 km (0.105 R)
• M24: 25,268,427 km (0.092 R)
• M25: 27,301,013 km (0.117 R)
• M26: 34,259,558 km (0.113 R)
• M27: 36,744,827 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.4

Radius: 3.8

Gravity: 49.82 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 15.2 AU - 15.26 AU

Year: 21186 Days

Day: 15.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 80,369,335 km

• M1: 47,572 km (0.082 R)
• M2: 182,659 km (0.084 R)
• M3: 307,573 km (0.076 R)
• M4: 441,912 km (0.084 R)
• M5: 598,242 km (0.046 R)
• M6: 974,481 km (0.076 R)
• M7: 1,130,062 km (0.109 R)
• M8: 1,610,720 km (0.075 R)
• M9: 2,215,993 km (0.045 R)
• M10: 3,148,886 km (0.049 R)
• M11: 3,671,281 km (0.046 R)
• M12: 3,857,531 km (0.116 R)
• M13: 4,351,054 km (0.097 R)
• M14: 6,083,547 km (0.065 R)
• M15: 9,324,585 km (0.082 R)
• M16: 9,671,652 km (0.079 R)
• M17: 11,736,701 km (0.109 R)
• M18: 12,555,151 km (0.097 R)
• M19: 15,397,062 km (0.119 R)
• M20: 18,822,105 km (0.117 R)
• M21: 20,131,535 km (0.079 R)
• M22: 20,323,469 km (0.12 R)
• M23: 21,500,505 km (0.117 R)
• M24: 27,834,479 km (0.098 R)
• M25: 31,422,434 km (0.105 R)
• M26: 32,201,390 km (0.077 R)
• M27: 32,463,935 km (0.117 R)
• M28: 32,595,730 km (0.118 R)
• M29: 33,528,174 km (0.062 R)
• M30: 33,933,135 km (0.046 R)
• M31: 36,007,160 km (0.057 R)
• M32: 39,349,177 km (0.096 R)
• M33: 43,050,677 km (0.04 R)
• M34: 56,101,146 km (0.066 R)
• M35: 58,602,123 km (0.081 R)
• M36: 58,797,498 km (0.099 R)
• M37: 60,975,643 km (0.032 R)
• M38: 64,446,763 km (0.097 R)
• M39: 67,402,218 km (0.086 R)
• M40: 67,831,714 km (0.114 R)
• M41: 68,263,004 km (0.094 R)
• M42: 77,277,323 km (0.112 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 15,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit