🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.34 AU - 1.6 AU

Year: 635 Days

Day: 46.8 Hours

Environment

Temp: 3 °C

Axial Tilt: 97.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 97,876,256 km

• M1: 14,661 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.77 AU - 2.31 AU

Year: 1039 Days

Day: 21.9 Hours

Environment

Temp: -60 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.77 AU - 2.93 AU

Year: 1284 Days

Day: 19.5 Hours

Environment

Temp: -65 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.51 AU - 2.73 AU

Year: 1512 Days

Day: 34.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.38 AU - 3.36 AU

Year: 1733 Days

Day: 22.7 Hours

Environment

Temp: -91 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,876,256 km

• M1: 108,907 km (0.063 R)
• M2: 162,314 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.57 AU - 4.09 AU

Year: 2672 Days

Day: 22.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.29 AU - 4.83 AU

Year: 3471 Days

Day: 20 Hours

Environment

Temp: -133 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,876,256 km

• M1: 44,131 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.2

Radius: 5

Gravity: 39.81 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 11.71 AU - 16.67 AU

Year: 19053 Days

Day: 24.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 97,876,256 km

• M1: 62,532 km (0.101 R)
• M2: 245,341 km (0.081 R)
• M3: 429,944 km (0.117 R)
• M4: 974,331 km (0.119 R)
• M5: 3,253,155 km (0.051 R)
• M6: 3,919,763 km (0.053 R)
• M7: 4,183,355 km (0.092 R)
• M8: 4,354,196 km (0.106 R)
• M9: 4,894,543 km (0.086 R)
• M10: 6,283,410 km (0.071 R)
• M11: 7,915,672 km (0.033 R)
• M12: 13,336,949 km (0.056 R)
• M13: 14,469,854 km (0.084 R)
• M14: 15,583,760 km (0.104 R)
• M15: 16,161,656 km (0.044 R)
• M16: 17,360,085 km (0.095 R)
• M17: 17,891,457 km (0.103 R)
• M18: 27,095,466 km (0.109 R)
• M19: 28,536,991 km (0.081 R)
• M20: 30,155,490 km (0.091 R)
• M21: 32,097,719 km (0.093 R)
• M22: 35,376,306 km (0.116 R)
• M23: 40,085,647 km (0.117 R)
• M24: 52,173,005 km (0.077 R)
• M25: 56,299,962 km (0.099 R)
• M26: 57,267,262 km (0.089 R)
• M27: 60,639,198 km (0.115 R)
• M28: 64,351,170 km (0.042 R)
• M29: 69,090,281 km (0.104 R)
• M30: 72,907,719 km (0.103 R)
• M31: 73,825,951 km (0.075 R)
• M32: 74,056,631 km (0.107 R)
• M33: 81,944,178 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 7.5

Gravity: 14.47 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 17.53 AU - 18.07 AU

Year: 26769 Days

Day: 23 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 97,876,256 km

• M1: 96,491 km (0.12 R)
• M2: 443,558 km (0.098 R)
• M3: 829,520 km (0.105 R)
• M4: 1,714,691 km (0.078 R)
• M5: 2,578,170 km (0.082 R)
• M6: 3,178,805 km (0.08 R)
• M7: 3,639,267 km (0.044 R)
• M8: 3,902,709 km (0.118 R)
• M9: 4,285,680 km (0.105 R)
• M10: 4,731,930 km (0.085 R)
• M11: 5,291,127 km (0.076 R)
• M12: 5,804,846 km (0.113 R)
• M13: 9,364,976 km (0.09 R)
• M14: 10,441,034 km (0.068 R)
• M15: 10,839,862 km (0.032 R)
• M16: 11,881,362 km (0.108 R)
• M17: 14,486,759 km (0.112 R)
• M18: 17,173,686 km (0.073 R)
• M19: 18,779,918 km (0.118 R)
• M20: 19,073,429 km (0.11 R)
• M21: 19,369,932 km (0.044 R)
• M22: 20,899,122 km (0.076 R)
• M23: 23,061,110 km (0.118 R)
• M24: 23,623,897 km (0.05 R)
• M25: 26,454,139 km (0.111 R)
• M26: 28,333,538 km (0.095 R)
• M27: 28,979,202 km (0.084 R)
• M28: 32,355,775 km (0.05 R)
• M29: 37,356,234 km (0.065 R)
• M30: 42,848,421 km (0.087 R)
• M31: 46,140,322 km (0.052 R)
• M32: 46,675,134 km (0.043 R)
• M33: 54,999,956 km (0.09 R)
• M34: 68,795,124 km (0.111 R)
• M35: 72,331,767 km (0.081 R)
• M36: 73,779,725 km (0.078 R)
• M37: 74,266,666 km (0.103 R)
• M38: 79,764,986 km (0.11 R)

Kuiper Belt

Range: 30.8 - 49.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 19,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit