🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.49 AU - 0.57 AU

Year: 147 Days

Day: 12.6 Hours

Environment

Temp: 220 °C

Axial Tilt: 13 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.6 AU - 0.6 AU

Year: 177 Days

Day: 14.2 Hours

Environment

Temp: 153 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 34,410,297 km

• M1: 61,036 km (0.027 R)
• M2: 198,666 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.66 AU - 0.84 AU

Year: 247 Days

Day: 17 Hours

Environment

Temp: 100 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 34,410,297 km

• M1: 308,022 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.69 AU - 0.89 AU

Year: 267 Days

Day: 47.7 Hours

Environment

Temp: 166 °C

Axial Tilt: 49.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.77 AU - 1.15 AU

Year: 358 Days

Day: 24.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 19 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.96 AU - 1.48 AU

Year: 513 Days

Day: 12.6 Hours

Environment

Temp: -26 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,410,297 km

• M1: 58,343 km (0.109 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.04 AU - 1.66 AU

Year: 597 Days

Day: 37.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.28 AU - 2.04 AU

Year: 814 Days

Day: 17.1 Hours

Environment

Temp: -52 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.71 AU - 4.31 AU

Year: 2504 Days

Day: 42.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 10 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.5

Radius: 11.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 10.08 AU - 11.18 AU

Year: 13198 Days

Day: 5.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 34,410,297 km

• M1: 149,747 km (0.103 R)
• M2: 274,213 km (0.069 R)
• M3: 380,727 km (0.094 R)
• M4: 714,629 km (0.104 R)
• M5: 980,913 km (0.059 R)
• M6: 1,056,460 km (0.119 R)
• M7: 1,624,782 km (0.095 R)
• M8: 1,960,779 km (0.072 R)
• M9: 2,506,064 km (0.039 R)
• M10: 2,698,297 km (0.11 R)
• M11: 3,397,068 km (0.111 R)
• M12: 3,779,291 km (0.039 R)
• M13: 4,125,012 km (0.107 R)
• M14: 4,251,123 km (0.107 R)
• M15: 4,352,849 km (0.075 R)
• M16: 5,007,340 km (0.025 R)
• M17: 5,664,523 km (0.04 R)
• M18: 5,776,871 km (0.111 R)
• M19: 5,918,092 km (0.089 R)
• M20: 6,060,659 km (0.048 R)
• M21: 6,612,675 km (0.113 R)
• M22: 6,999,535 km (0.046 R)
• M23: 7,332,839 km (0.111 R)
• M24: 7,920,758 km (0.081 R)
• M25: 8,331,853 km (0.089 R)
• M26: 8,782,293 km (0.069 R)
• M27: 8,912,443 km (0.083 R)
• M28: 9,472,986 km (0.102 R)
• M29: 9,808,085 km (0.063 R)
• M30: 10,283,657 km (0.028 R)
• M31: 10,455,395 km (0.068 R)
• M32: 10,697,445 km (0.113 R)
• M33: 10,801,714 km (0.072 R)
• M34: 11,505,572 km (0.048 R)
• M35: 11,971,121 km (0.057 R)
• M36: 12,369,949 km (0.088 R)
• M37: 12,994,819 km (0.09 R)
• M38: 13,255,119 km (0.109 R)
• M39: 13,592,313 km (0.074 R)
• M40: 13,743,108 km (0.112 R)
• M41: 14,467,012 km (0.072 R)
• M42: 15,793,197 km (0.105 R)
• M43: 16,110,793 km (0.09 R)
• M44: 16,310,506 km (0.078 R)
• M45: 16,833,351 km (0.052 R)
• M46: 17,076,597 km (0.102 R)
• M47: 17,198,669 km (0.032 R)
• M48: 17,402,720 km (0.088 R)
• M49: 17,525,540 km (0.091 R)
• M50: 17,730,788 km (0.081 R)
• M51: 18,019,662 km (0.099 R)
• M52: 18,727,559 km (0.101 R)
• M53: 19,232,751 km (0.103 R)
• M54: 19,359,760 km (0.06 R)
• M55: 19,572,039 km (0.12 R)
• M56: 20,213,664 km (0.116 R)
• M57: 20,992,620 km (0.102 R)
• M58: 21,385,764 km (0.071 R)
• M59: 22,892,962 km (0.102 R)
• M60: 23,027,600 km (0.101 R)
• M61: 23,207,566 km (0.071 R)
• M62: 25,495,816 km (0.107 R)
• M63: 25,728,590 km (0.085 R)
• M64: 26,290,180 km (0.089 R)
• M65: 26,525,348 km (0.114 R)
• M66: 26,666,718 km (0.032 R)
• M67: 27,998,887 km (0.098 R)
• M68: 28,431,823 km (0.117 R)
• M69: 28,769,915 km (0.089 R)
• M70: 29,694,579 km (0.039 R)
• M71: 30,185,110 km (0.09 R)
• M72: 30,678,335 km (0.112 R)
• M73: 30,975,586 km (0.093 R)
• M74: 31,074,769 km (0.117 R)
• M75: 31,273,734 km (0.093 R)
• M76: 31,622,746 km (0.119 R)
• M77: 31,973,104 km (0.093 R)
• M78: 32,576,881 km (0.085 R)
• M79: 32,778,838 km (0.092 R)
• M80: 33,184,248 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 11,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit