🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.83 AU - 1.07 AU

Year: 355 Days

Day: 25.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 37.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 42,070,720 km

• M1: 45,627 km (0.097 R)
• M2: 512,223 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.96 AU - 1.08 AU

Year: 394 Days

Day: 35.9 Hours

Environment

Temp: 8 °C

Axial Tilt: 21.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.34 AU - 1.46 AU

Year: 634 Days

Day: 26.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,070,720 km

• M1: 12,716 km (0.039 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.57 AU - 1.57 AU

Year: 753 Days

Day: 17.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 42.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 9.5

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.36 AU - 8.22 AU

Year: 6774 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,070,720 km

• M1: 118,332 km (0.061 R)
• M2: 480,808 km (0.034 R)
• M3: 1,069,625 km (0.088 R)
• M4: 1,512,883 km (0.113 R)
• M5: 1,874,013 km (0.117 R)
• M6: 3,167,286 km (0.065 R)
• M7: 3,477,103 km (0.107 R)
• M8: 4,024,183 km (0.094 R)
• M9: 4,388,753 km (0.117 R)
• M10: 4,976,972 km (0.088 R)
• M11: 6,044,203 km (0.031 R)
• M12: 7,093,183 km (0.062 R)
• M13: 8,331,554 km (0.119 R)
• M14: 8,737,114 km (0.11 R)
• M15: 10,199,433 km (0.11 R)
• M16: 10,663,935 km (0.051 R)
• M17: 12,096,035 km (0.062 R)
• M18: 13,907,067 km (0.106 R)
• M19: 15,668,731 km (0.103 R)
• M20: 16,117,375 km (0.057 R)
• M21: 16,459,356 km (0.08 R)
• M22: 18,181,228 km (0.098 R)
• M23: 19,244,719 km (0.09 R)
• M24: 25,498,658 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.4

Radius: 14.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.76 AU - 7.78 AU

Year: 7505 Days

Day: 5.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,070,720 km

• M1: 183,108 km (0.11 R)
• M2: 675,434 km (0.038 R)
• M3: 1,999,824 km (0.099 R)
• M4: 2,564,706 km (0.106 R)
• M5: 3,193,466 km (0.111 R)
• M6: 4,226,140 km (0.116 R)
• M7: 4,820,791 km (0.104 R)
• M8: 6,626,737 km (0.086 R)
• M9: 7,471,067 km (0.119 R)
• M10: 9,153,445 km (0.081 R)
• M11: 10,927,227 km (0.118 R)
• M12: 12,106,656 km (0.106 R)
• M13: 12,700,111 km (0.114 R)
• M14: 15,836,131 km (0.075 R)
• M15: 18,877,755 km (0.089 R)
• M16: 21,032,862 km (0.057 R)
• M17: 21,498,411 km (0.085 R)
• M18: 22,855,263 km (0.103 R)
• M19: 23,930,723 km (0.042 R)
• M20: 26,631,563 km (0.097 R)
• M21: 27,637,010 km (0.077 R)
• M22: 34,102,181 km (0.116 R)
• M23: 35,287,894 km (0.047 R)
• M24: 36,278,232 km (0.093 R)
• M25: 38,893,352 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.3

Radius: 10.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.1 AU - 9.3 AU

Year: 9825 Days

Day: 5.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,070,720 km

• M1: 126,261 km (0.106 R)
• M2: 1,161,627 km (0.103 R)
• M3: 3,010,657 km (0.061 R)
• M4: 3,502,984 km (0.036 R)
• M5: 3,894,332 km (0.065 R)
• M6: 4,233,470 km (0.108 R)
• M7: 4,735,969 km (0.077 R)
• M8: 5,184,763 km (0.11 R)
• M9: 5,563,994 km (0.107 R)
• M10: 6,098,656 km (0.101 R)
• M11: 9,958,730 km (0.12 R)
• M12: 10,646,731 km (0.101 R)
• M13: 13,959,576 km (0.114 R)
• M14: 17,130,901 km (0.096 R)
• M15: 17,903,873 km (0.105 R)
• M16: 21,875,248 km (0.075 R)
• M17: 23,037,324 km (0.096 R)
• M18: 33,528,922 km (0.113 R)
• M19: 34,074,655 km (0.07 R)
• M20: 39,619,799 km (0.089 R)
• M21: 39,985,117 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.8

Radius: 10

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.3 AU - 11.82 AU

Year: 11318 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,070,720 km

• M1: 199,564 km (0.079 R)
• M2: 921,972 km (0.116 R)
• M3: 1,236,726 km (0.102 R)
• M4: 2,634,867 km (0.051 R)
• M5: 3,184,639 km (0.073 R)
• M6: 4,802,840 km (0.106 R)
• M7: 8,070,506 km (0.092 R)
• M8: 12,794,507 km (0.092 R)
• M9: 13,484,602 km (0.117 R)
• M10: 18,288,489 km (0.063 R)
• M11: 23,965,579 km (0.09 R)
• M12: 25,342,178 km (0.101 R)
• M13: 29,696,225 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.3

Radius: 7.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 12.54 AU - 19.3 AU

Year: 24321 Days

Day: 24.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,070,720 km

• M1: 98,735 km (0.072 R)
• M2: 463,454 km (0.08 R)
• M3: 831,615 km (0.038 R)
• M4: 1,206,208 km (0.045 R)
• M5: 1,623,586 km (0.084 R)
• M6: 2,406,132 km (0.09 R)
• M7: 4,355,392 km (0.063 R)
• M8: 6,087,586 km (0.112 R)
• M9: 6,814,033 km (0.1 R)
• M10: 10,662,289 km (0.113 R)
• M11: 11,211,762 km (0.102 R)
• M12: 17,452,088 km (0.074 R)
• M13: 21,780,253 km (0.107 R)
• M14: 23,880,308 km (0.083 R)
• M15: 29,416,776 km (0.036 R)
• M16: 38,806,585 km (0.11 R)
• M17: 46,226,191 km (0.095 R)
• M18: 54,359,079 km (0.105 R)
• M19: 62,803,729 km (0.03 R)
• M20: 67,027,326 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.3

Radius: 5.6

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 13.2 AU - 18.64 AU

Year: 24321 Days

Day: 15.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,070,720 km

• M1: 106,813 km (0.114 R)
• M2: 339,886 km (0.105 R)
• M3: 650,302 km (0.075 R)
• M4: 952,639 km (0.081 R)
• M5: 1,261,260 km (0.041 R)
• M6: 4,131,295 km (0.109 R)
• M7: 4,542,539 km (0.051 R)
• M8: 8,478,310 km (0.101 R)
• M9: 9,744,506 km (0.108 R)
• M10: 12,199,706 km (0.096 R)
• M11: 13,044,486 km (0.084 R)
• M12: 13,927,412 km (0.102 R)
• M13: 16,746,883 km (0.118 R)
• M14: 17,647,462 km (0.069 R)
• M15: 21,898,436 km (0.113 R)
• M16: 29,380,723 km (0.081 R)
• M17: 29,579,389 km (0.026 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: 502 - 12,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit