🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.82 AU - 1.14 AU

Year: 338 Days

Day: 37.8 Hours

Environment

Temp: 146 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.39 AU - 1.65 AU

Year: 653 Days

Day: 13.8 Hours

Environment

Temp: -12 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.49 AU - 1.63 AU

Year: 679 Days

Day: 45.5 Hours

Environment

Temp: -4 °C

Axial Tilt: 13.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 67,013,742 km

• M1: 1,109,867 km (0.027 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.14 AU - 4.18 AU

Year: 2955 Days

Day: 37.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 65.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 12.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 11.31 AU - 13.85 AU

Year: 15539 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,013,742 km

• M1: 587,920 km (0.103 R)
• M2: 1,194,988 km (0.053 R)
• M3: 1,855,462 km (0.111 R)
• M4: 3,185,836 km (0.083 R)
• M5: 7,319,076 km (0.066 R)
• M6: 8,926,954 km (0.087 R)
• M7: 9,840,249 km (0.089 R)
• M8: 10,815,028 km (0.096 R)
• M9: 14,464,020 km (0.107 R)
• M10: 16,159,263 km (0.106 R)
• M11: 16,602,970 km (0.034 R)
• M12: 19,940,798 km (0.112 R)
• M13: 20,797,096 km (0.085 R)
• M14: 25,450,487 km (0.07 R)
• M15: 28,231,512 km (0.103 R)
• M16: 35,125,730 km (0.071 R)
• M17: 37,781,989 km (0.059 R)
• M18: 39,225,459 km (0.107 R)
• M19: 40,163,139 km (0.113 R)
• M20: 40,705,431 km (0.087 R)
• M21: 41,804,975 km (0.117 R)
• M22: 44,785,414 km (0.047 R)
• M23: 47,450,350 km (0.029 R)
• M24: 49,130,185 km (0.08 R)
• M25: 51,484,107 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.9

Radius: 5.2

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 11.82 AU - 16.98 AU

Year: 19030 Days

Day: 22.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,013,742 km

• M1: 64,626 km (0.063 R)
• M2: 229,334 km (0.069 R)
• M3: 399,426 km (0.117 R)
• M4: 561,142 km (0.074 R)
• M5: 748,737 km (0.117 R)
• M6: 1,136,046 km (0.091 R)
• M7: 1,353,412 km (0.117 R)
• M8: 1,818,661 km (0.057 R)
• M9: 4,611,654 km (0.03 R)
• M10: 5,204,061 km (0.115 R)
• M11: 5,537,515 km (0.08 R)
• M12: 6,084,445 km (0.117 R)
• M13: 7,104,702 km (0.117 R)
• M14: 7,285,117 km (0.031 R)
• M15: 16,253,210 km (0.025 R)
• M16: 16,567,067 km (0.117 R)
• M17: 16,805,077 km (0.088 R)
• M18: 18,365,831 km (0.044 R)
• M19: 19,399,852 km (0.089 R)
• M20: 24,331,495 km (0.088 R)
• M21: 26,109,017 km (0.102 R)
• M22: 26,431,401 km (0.088 R)
• M23: 27,971,211 km (0.096 R)
• M24: 30,391,555 km (0.085 R)
• M25: 32,823,119 km (0.056 R)
• M26: 37,657,674 km (0.091 R)
• M27: 39,181,478 km (0.097 R)
• M28: 43,998,978 km (0.057 R)
• M29: 48,061,607 km (0.119 R)
• M30: 52,537,875 km (0.105 R)
• M31: 53,915,671 km (0.067 R)
• M32: 55,140,728 km (0.079 R)
• M33: 56,027,245 km (0.091 R)
• M34: 56,205,566 km (0.091 R)
• M35: 63,851,363 km (0.083 R)
• M36: 64,045,990 km (0.101 R)
• M37: 64,828,686 km (0.118 R)

Kuiper Belt

Range: 31.5 - 58.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 14,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit