🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.69 AU - 0.89 AU

Year: 258 Days

Day: 31.3 Hours

Environment

Temp: 120 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.88 AU - 0.94 AU

Year: 319 Days

Day: 29.9 Hours

Environment

Temp: 121 °C

Axial Tilt: 19.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.86 AU - 1.04 AU

Year: 340 Days

Day: 17.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 13.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 42,019,139 km

• M1: 81,531 km (0.092 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.8 AU - 1.3 AU

Year: 395 Days

Day: 33.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 11 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,019,139 km

• M1: 25,581 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.69 AU - 1.95 AU

Year: 901 Days

Day: 18.1 Hours

Environment

Temp: -63 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,019,139 km

• M1: 57,146 km (0.08 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.34 AU - 3.1 AU

Year: 1647 Days

Day: 41 Hours

Environment

Temp: -89 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.9

Radius: 14.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9.01 AU - 11.57 AU

Year: 12117 Days

Day: 11.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,019,139 km

• M1: 180,265 km (0.098 R)
• M2: 662,120 km (0.079 R)
• M3: 1,330,374 km (0.106 R)
• M4: 2,181,586 km (0.103 R)
• M5: 2,650,276 km (0.105 R)
• M6: 3,694,020 km (0.074 R)
• M7: 4,396,681 km (0.118 R)
• M8: 5,515,823 km (0.11 R)
• M9: 6,325,447 km (0.036 R)
• M10: 6,817,325 km (0.06 R)
• M11: 7,750,666 km (0.06 R)
• M12: 9,624,229 km (0.047 R)
• M13: 10,959,241 km (0.05 R)
• M14: 14,442,777 km (0.098 R)
• M15: 15,366,992 km (0.107 R)
• M16: 16,260,092 km (0.119 R)
• M17: 16,755,111 km (0.09 R)
• M18: 22,887,277 km (0.067 R)
• M19: 23,420,145 km (0.038 R)
• M20: 25,634,942 km (0.116 R)
• M21: 33,682,260 km (0.087 R)
• M22: 39,468,855 km (0.073 R)
• M23: 40,623,003 km (0.075 R)
• M24: 45,326,360 km (0.115 R)
• M25: 47,592,767 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708

Radius: 4

Gravity: 44.25 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 11.67 AU - 14.97 AU

Year: 17846 Days

Day: 22.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,019,139 km

• M1: 49,816 km (0.108 R)
• M2: 515,664 km (0.036 R)
• M3: 709,543 km (0.045 R)
• M4: 894,296 km (0.073 R)
• M5: 1,123,480 km (0.094 R)
• M6: 1,345,932 km (0.037 R)
• M7: 1,564,195 km (0.06 R)
• M8: 2,518,331 km (0.049 R)
• M9: 3,429,830 km (0.069 R)
• M10: 4,374,691 km (0.084 R)
• M11: 4,783,093 km (0.06 R)
• M12: 8,535,606 km (0.08 R)
• M13: 9,171,696 km (0.089 R)
• M14: 9,557,060 km (0.084 R)
• M15: 9,953,195 km (0.109 R)
• M16: 11,775,447 km (0.096 R)
• M17: 12,099,326 km (0.115 R)
• M18: 13,454,533 km (0.049 R)
• M19: 14,757,980 km (0.106 R)
• M20: 17,113,398 km (0.087 R)
• M21: 20,909,145 km (0.115 R)
• M22: 24,280,333 km (0.096 R)
• M23: 24,699,207 km (0.065 R)
• M24: 26,313,368 km (0.11 R)
• M25: 28,226,126 km (0.075 R)
• M26: 31,081,351 km (0.1 R)
• M27: 31,327,739 km (0.037 R)
• M28: 32,705,535 km (0.063 R)
• M29: 35,716,043 km (0.117 R)
• M30: 36,942,745 km (0.056 R)
• M31: 38,906,217 km (0.052 R)
• M32: 40,350,585 km (0.036 R)
• M33: 41,086,008 km (0.067 R)
• M34: 42,432,090 km (0.093 R)
• M35: 54,812,361 km (0.091 R)
• M36: 60,946,771 km (0.111 R)
• M37: 63,681,869 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.9

Radius: 7.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 15.61 AU - 23.47 AU

Year: 31707 Days

Day: 16 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,019,139 km

• M1: 94,995 km (0.046 R)
• M2: 732,730 km (0.079 R)
• M3: 1,225,207 km (0.106 R)
• M4: 1,829,881 km (0.102 R)
• M5: 2,304,256 km (0.113 R)
• M6: 5,397,192 km (0.053 R)
• M7: 5,853,316 km (0.087 R)
• M8: 16,605,064 km (0.094 R)
• M9: 26,760,516 km (0.074 R)
• M10: 28,567,359 km (0.102 R)
• M11: 32,105,797 km (0.088 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 13,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit