🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.45 AU - 0.59 AU

Year: 242 Days

Day: 25.4 Hours

Environment

Temp: -121 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 10.5

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.05 AU - 1.15 AU

Year: 745 Days

Day: 6.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,811,761 km

• M1: 130,599 km (0.082 R)
• M2: 613,052 km (0.108 R)
• M3: 1,020,407 km (0.101 R)
• M4: 2,308,594 km (0.032 R)
• M5: 3,632,685 km (0.112 R)
• M6: 4,002,790 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.4

Radius: 10.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.66 AU - 1.74 AU

Year: 1431 Days

Day: 13.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,811,761 km

• M1: 131,347 km (0.093 R)
• M2: 468,840 km (0.104 R)
• M3: 796,010 km (0.104 R)
• M4: 1,264,551 km (0.027 R)
• M5: 2,003,115 km (0.105 R)
• M6: 4,193,228 km (0.08 R)
• M7: 5,387,767 km (0.109 R)
• M8: 6,254,388 km (0.092 R)
• M9: 7,807,214 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 9.2

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.85 AU - 2.23 AU

Year: 1881 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,811,761 km

• M1: 114,592 km (0.098 R)
• M2: 593,006 km (0.087 R)
• M3: 1,105,528 km (0.058 R)
• M4: 1,457,382 km (0.1 R)
• M5: 2,026,453 km (0.101 R)
• M6: 3,747,875 km (0.117 R)
• M7: 4,854,152 km (0.065 R)
• M8: 5,328,527 km (0.065 R)
• M9: 6,210,107 km (0.041 R)
• M10: 6,555,977 km (0.088 R)
• M11: 7,012,400 km (0.092 R)
• M12: 7,989,125 km (0.079 R)
• M13: 8,454,374 km (0.112 R)
• M14: 8,937,575 km (0.11 R)
• M15: 9,529,534 km (0.101 R)
• M16: 10,210,653 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 10.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.97 AU - 2.25 AU

Year: 1979 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,811,761 km

• M1: 131,945 km (0.074 R)
• M2: 464,202 km (0.104 R)
• M3: 1,099,844 km (0.09 R)
• M4: 2,487,663 km (0.08 R)
• M5: 2,863,453 km (0.064 R)
• M6: 3,358,023 km (0.12 R)
• M7: 3,819,084 km (0.094 R)
• M8: 4,975,027 km (0.119 R)
• M9: 5,552,923 km (0.086 R)
• M10: 5,906,423 km (0.107 R)
• M11: 7,277,787 km (0.03 R)
• M12: 7,673,174 km (0.047 R)
• M13: 8,023,383 km (0.091 R)
• M14: 9,938,086 km (0.117 R)
• M15: 11,790,407 km (0.085 R)
• M16: 12,737,361 km (0.038 R)
• M17: 15,326,152 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.4

Radius: 6.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.58 AU - 9.18 AU

Year: 15663 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,811,761 km

• M1: 80,932 km (0.078 R)
• M2: 525,388 km (0.059 R)
• M3: 1,062,893 km (0.061 R)
• M4: 1,424,321 km (0.104 R)
• M5: 1,904,530 km (0.078 R)
• M6: 2,197,144 km (0.052 R)
• M7: 2,584,303 km (0.086 R)
• M8: 3,145,146 km (0.088 R)
• M9: 5,263,601 km (0.107 R)
• M10: 5,672,602 km (0.116 R)
• M11: 7,422,448 km (0.099 R)
• M12: 9,703,217 km (0.066 R)
• M13: 12,460,755 km (0.101 R)
• M14: 18,269,640 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.9

Radius: 7.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.84 AU - 10.44 AU

Year: 16398 Days

Day: 15.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,811,761 km

• M1: 88,412 km (0.08 R)
• M2: 350,209 km (0.088 R)
• M3: 819,497 km (0.097 R)
• M4: 2,408,227 km (0.115 R)
• M5: 2,903,844 km (0.111 R)
• M6: 3,415,918 km (0.095 R)
• M7: 3,851,696 km (0.109 R)
• M8: 6,492,099 km (0.032 R)
• M9: 6,959,443 km (0.051 R)
• M10: 10,936,352 km (0.119 R)
• M11: 11,598,024 km (0.109 R)
• M12: 11,996,253 km (0.104 R)
• M13: 14,448,611 km (0.07 R)
• M14: 16,636,929 km (0.042 R)
• M15: 18,035,669 km (0.083 R)
• M16: 20,319,280 km (0.108 R)
• M17: 22,612,317 km (0.09 R)
• M18: 31,057,864 km (0.089 R)
• M19: 33,285,077 km (0.075 R)
• M20: 34,905,970 km (0.094 R)
• M21: 38,429,748 km (0.064 R)
• M22: 44,080,509 km (0.094 R)
• M23: 45,049,753 km (0.074 R)
• M24: 49,662,753 km (0.037 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 13,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit