🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.68 AU - 0.96 AU

Year: 271 Days

Day: 16.4 Hours

Environment

Temp: 130 °C

Axial Tilt: 175.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.82 AU - 1.28 AU

Year: 393 Days

Day: 39.9 Hours

Environment

Temp: 34 °C

Axial Tilt: 15 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.87 AU - 1.33 AU

Year: 421 Days

Day: 44.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.07 AU - 1.29 AU

Year: 468 Days

Day: 16.6 Hours

Environment

Temp: -0 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.69 AU - 1.81 AU

Year: 846 Days

Day: 46.3 Hours

Environment

Temp: -51 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.72 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.6

Radius: 10.8

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.66 AU - 5.7 AU

Year: 4944 Days

Day: 12.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,169,993 km

• M1: 134,339 km (0.092 R)
• M2: 544,835 km (0.046 R)
• M3: 1,110,465 km (0.083 R)
• M4: 1,829,283 km (0.08 R)
• M5: 2,545,557 km (0.115 R)
• M6: 5,016,017 km (0.078 R)
• M7: 5,535,570 km (0.097 R)
• M8: 6,122,592 km (0.077 R)
• M9: 7,754,106 km (0.104 R)
• M10: 10,280,814 km (0.074 R)
• M11: 10,882,946 km (0.114 R)
• M12: 11,855,182 km (0.052 R)
• M13: 12,621,572 km (0.07 R)
• M14: 15,356,521 km (0.079 R)
• M15: 16,830,658 km (0.069 R)
• M16: 17,471,984 km (0.033 R)
• M17: 22,196,734 km (0.084 R)
• M18: 23,439,294 km (0.101 R)
• M19: 25,809,073 km (0.073 R)
• M20: 26,404,024 km (0.042 R)
• M21: 27,357,711 km (0.083 R)
• M22: 29,981,657 km (0.055 R)
• M23: 30,734,135 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.4

Radius: 12.7

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 9.65 AU - 12.51 AU

Year: 13471 Days

Day: 11.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,169,993 km

• M1: 157,975 km (0.079 R)
• M2: 835,055 km (0.096 R)
• M3: 3,841,673 km (0.079 R)
• M4: 4,241,100 km (0.096 R)
• M5: 5,646,422 km (0.069 R)
• M6: 6,127,230 km (0.111 R)
• M7: 7,299,030 km (0.108 R)
• M8: 8,052,554 km (0.075 R)
• M9: 9,871,664 km (0.093 R)
• M10: 10,461,828 km (0.101 R)
• M11: 11,950,775 km (0.114 R)
• M12: 12,621,572 km (0.064 R)
• M13: 13,446,605 km (0.112 R)
• M14: 17,727,796 km (0.089 R)
• M15: 21,392,496 km (0.075 R)
• M16: 23,875,671 km (0.069 R)
• M17: 24,646,848 km (0.072 R)
• M18: 27,372,970 km (0.069 R)
• M19: 29,517,754 km (0.081 R)
• M20: 31,427,072 km (0.111 R)
• M21: 35,490,449 km (0.102 R)
• M22: 39,222,617 km (0.09 R)
• M23: 44,788,705 km (0.118 R)
• M24: 45,666,695 km (0.05 R)
• M25: 49,916,322 km (0.104 R)
• M26: 50,702,010 km (0.049 R)
• M27: 53,598,673 km (0.056 R)
• M28: 54,920,819 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.4

Radius: 5.3

Gravity: 28.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 11.38 AU - 14.7 AU

Year: 17199 Days

Day: 22.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,169,993 km

• M1: 81,531 km (0.036 R)
• M2: 479,461 km (0.032 R)
• M3: 696,228 km (0.091 R)
• M4: 1,532,929 km (0.095 R)
• M5: 1,717,533 km (0.039 R)
• M6: 1,935,946 km (0.048 R)
• M7: 3,659,314 km (0.11 R)
• M8: 3,837,933 km (0.089 R)
• M9: 4,053,654 km (0.108 R)
• M10: 4,409,248 km (0.057 R)
• M11: 4,820,343 km (0.114 R)
• M12: 6,592,629 km (0.059 R)
• M13: 7,038,580 km (0.117 R)
• M14: 9,242,156 km (0.062 R)
• M15: 11,931,777 km (0.107 R)
• M16: 12,459,109 km (0.092 R)
• M17: 12,660,767 km (0.075 R)
• M18: 13,348,917 km (0.077 R)
• M19: 17,924,218 km (0.047 R)
• M20: 23,140,247 km (0.082 R)
• M21: 25,763,895 km (0.1 R)
• M22: 26,754,981 km (0.119 R)
• M23: 27,657,056 km (0.094 R)
• M24: 30,363,281 km (0.071 R)
• M25: 32,220,240 km (0.068 R)
• M26: 32,473,509 km (0.058 R)
• M27: 34,020,501 km (0.084 R)
• M28: 35,212,496 km (0.056 R)
• M29: 36,569,499 km (0.114 R)
• M30: 37,121,814 km (0.087 R)
• M31: 54,760,450 km (0.084 R)
• M32: 55,483,307 km (0.115 R)
• M33: 56,763,566 km (0.072 R)
• M34: 58,814,852 km (0.03 R)
• M35: 67,722,208 km (0.086 R)
• M36: 71,093,845 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 15,565 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit