🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.54 AU - 0.56 AU

Year: 183 Days

Day: 40.1 Hours

Environment

Temp: 0 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.04 AU - 1.36 AU

Year: 591 Days

Day: 23.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.92 AU - 2.24 AU

Year: 1349 Days

Day: 42.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.2

Radius: 14.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.71 AU - 3.41 AU

Year: 2407 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,586,561 km

• M1: 179,218 km (0.093 R)
• M2: 947,403 km (0.094 R)
• M3: 1,726,509 km (0.077 R)
• M4: 2,434,705 km (0.117 R)
• M5: 4,157,325 km (0.094 R)
• M6: 8,618,932 km (0.077 R)
• M7: 9,277,013 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.6

Radius: 10.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.58 AU - 5.04 AU

Year: 4743 Days

Day: 8.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,586,561 km

• M1: 137,181 km (0.07 R)
• M2: 727,644 km (0.111 R)
• M3: 1,111,811 km (0.077 R)
• M4: 1,592,320 km (0.097 R)
• M5: 2,083,599 km (0.094 R)
• M6: 5,654,650 km (0.114 R)
• M7: 9,217,622 km (0.113 R)
• M8: 10,171,608 km (0.104 R)
• M9: 11,464,882 km (0.084 R)
• M10: 11,824,814 km (0.088 R)
• M11: 15,462,137 km (0.115 R)
• M12: 16,050,505 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.5

Radius: 7

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 10.84 AU - 12.68 AU

Year: 18131 Days

Day: 16.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,586,561 km

• M1: 103,073 km (0.079 R)
• M2: 417,528 km (0.111 R)
• M3: 1,592,469 km (0.076 R)
• M4: 1,866,533 km (0.093 R)
• M5: 2,146,281 km (0.065 R)
• M6: 2,370,977 km (0.078 R)
• M7: 5,144,372 km (0.115 R)
• M8: 10,101,297 km (0.097 R)
• M9: 11,439,151 km (0.117 R)
• M10: 12,804,979 km (0.096 R)
• M11: 17,286,483 km (0.116 R)
• M12: 17,603,630 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.5

Radius: 5.5

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8.95 AU - 14.75 AU

Year: 18340 Days

Day: 22.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,586,561 km

• M1: 70,012 km (0.061 R)
• M2: 866,172 km (0.102 R)
• M3: 1,673,103 km (0.042 R)
• M4: 2,006,407 km (0.117 R)
• M5: 2,443,382 km (0.107 R)
• M6: 2,827,849 km (0.094 R)
• M7: 4,810,918 km (0.107 R)
• M8: 8,478,609 km (0.081 R)
• M9: 14,331,177 km (0.066 R)
• M10: 14,669,118 km (0.073 R)
• M11: 17,566,979 km (0.111 R)
• M12: 23,517,533 km (0.106 R)
• M13: 24,464,189 km (0.072 R)
• M14: 24,946,941 km (0.067 R)
• M15: 27,146,778 km (0.094 R)
• M16: 47,305,539 km (0.102 R)
• M17: 48,205,221 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.3

Radius: 5.6

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 10.09 AU - 16.21 AU

Year: 21439 Days

Day: 16.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,586,561 km

• M1: 70,161 km (0.074 R)
• M2: 304,432 km (0.08 R)
• M3: 712,086 km (0.067 R)
• M4: 1,334,563 km (0.11 R)
• M5: 1,551,480 km (0.083 R)
• M6: 2,075,222 km (0.048 R)
• M7: 2,347,490 km (0.072 R)
• M8: 2,621,403 km (0.091 R)
• M9: 2,987,619 km (0.09 R)
• M10: 3,284,122 km (0.103 R)
• M11: 3,850,200 km (0.042 R)
• M12: 5,976,884 km (0.072 R)
• M13: 14,670,016 km (0.029 R)
• M14: 15,236,992 km (0.034 R)
• M15: 15,453,310 km (0.109 R)
• M16: 16,794,605 km (0.094 R)
• M17: 17,493,526 km (0.104 R)
• M18: 17,730,788 km (0.052 R)
• M19: 19,877,667 km (0.051 R)
• M20: 24,679,460 km (0.052 R)
• M21: 25,379,728 km (0.066 R)
• M22: 26,402,977 km (0.083 R)
• M23: 27,453,304 km (0.036 R)
• M24: 31,582,354 km (0.12 R)
• M25: 33,855,195 km (0.094 R)
• M26: 34,470,940 km (0.105 R)
• M27: 46,869,611 km (0.115 R)
• M28: 55,915,196 km (0.058 R)
• M29: 56,258,074 km (0.081 R)
• M30: 59,230,135 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 19,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit