🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.98 AU - 1.52 AU

Year: 518 Days

Day: 17.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,227,804 km

• M1: 117,135 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.31 AU - 4.63 AU

Year: 2934 Days

Day: 42.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 10.9

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.52 AU - 5.54 AU

Year: 4823 Days

Day: 6.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,227,804 km

• M1: 137,331 km (0.118 R)
• M2: 770,878 km (0.074 R)
• M3: 1,121,386 km (0.034 R)
• M4: 1,484,460 km (0.091 R)
• M5: 2,153,013 km (0.1 R)
• M6: 2,549,447 km (0.09 R)
• M7: 3,414,871 km (0.037 R)
• M8: 4,022,088 km (0.102 R)
• M9: 4,397,280 km (0.101 R)
• M10: 5,192,841 km (0.115 R)
• M11: 8,057,042 km (0.088 R)
• M12: 8,656,182 km (0.116 R)
• M13: 9,475,380 km (0.11 R)
• M14: 10,427,121 km (0.101 R)
• M15: 10,884,143 km (0.118 R)
• M16: 12,800,491 km (0.088 R)
• M17: 14,314,871 km (0.071 R)
• M18: 18,168,213 km (0.077 R)
• M19: 18,709,159 km (0.079 R)
• M20: 21,376,937 km (0.1 R)
• M21: 22,251,636 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 8.7

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.19 AU - 7.51 AU

Year: 5934 Days

Day: 8.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,227,804 km

• M1: 138,976 km (0.096 R)
• M2: 503,696 km (0.098 R)
• M3: 972,685 km (0.096 R)
• M4: 1,572,423 km (0.041 R)
• M5: 2,161,091 km (0.084 R)
• M6: 3,927,542 km (0.075 R)
• M7: 6,016,677 km (0.061 R)
• M8: 6,895,415 km (0.066 R)
• M9: 7,608,847 km (0.119 R)
• M10: 7,941,403 km (0.095 R)
• M11: 9,213,284 km (0.118 R)
• M12: 10,244,313 km (0.071 R)
• M13: 12,155,725 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.6

Radius: 12.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.4 AU - 8.26 AU

Year: 7360 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,227,804 km

• M1: 159,172 km (0.028 R)
• M2: 641,176 km (0.112 R)
• M3: 1,236,277 km (0.109 R)
• M4: 1,731,446 km (0.051 R)
• M5: 2,413,014 km (0.113 R)
• M6: 3,036,837 km (0.068 R)
• M7: 3,860,523 km (0.034 R)
• M8: 4,460,709 km (0.069 R)
• M9: 7,781,333 km (0.112 R)
• M10: 10,293,081 km (0.079 R)
• M11: 14,582,352 km (0.069 R)
• M12: 15,742,034 km (0.028 R)
• M13: 16,806,423 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.3

Radius: 13.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.65 AU - 10.99 AU

Year: 12295 Days

Day: 13.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,227,804 km

• M1: 172,337 km (0.087 R)
• M2: 774,618 km (0.09 R)
• M3: 1,349,672 km (0.101 R)
• M4: 1,871,320 km (0.081 R)
• M5: 3,441,649 km (0.093 R)
• M6: 3,903,607 km (0.041 R)
• M7: 4,328,764 km (0.11 R)
• M8: 4,757,212 km (0.12 R)
• M9: 7,307,557 km (0.072 R)
• M10: 7,723,888 km (0.112 R)
• M11: 9,198,773 km (0.092 R)
• M12: 14,216,585 km (0.048 R)
• M13: 20,664,702 km (0.074 R)
• M14: 22,280,359 km (0.09 R)
• M15: 23,159,546 km (0.103 R)
• M16: 27,088,734 km (0.119 R)
• M17: 28,646,795 km (0.111 R)
• M18: 30,263,948 km (0.106 R)
• M19: 30,751,039 km (0.075 R)
• M20: 35,372,716 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.7

Radius: 8.3

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.09 AU - 10.85 AU

Year: 12564 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,227,804 km

• M1: 103,223 km (0.105 R)
• M2: 799,152 km (0.112 R)
• M3: 2,569,792 km (0.03 R)
• M4: 3,080,220 km (0.07 R)
• M5: 3,412,627 km (0.048 R)
• M6: 5,783,753 km (0.11 R)
• M7: 9,236,173 km (0.103 R)
• M8: 10,206,315 km (0.089 R)
• M9: 11,065,306 km (0.066 R)
• M10: 15,720,642 km (0.096 R)
• M11: 16,477,308 km (0.079 R)
• M12: 16,864,766 km (0.09 R)
• M13: 17,258,209 km (0.069 R)
• M14: 19,403,592 km (0.06 R)
• M15: 24,818,586 km (0.088 R)
• M16: 34,326,578 km (0.032 R)
• M17: 36,770,109 km (0.093 R)
• M18: 38,371,854 km (0.115 R)
• M19: 46,619,184 km (0.044 R)
• M20: 53,231,859 km (0.092 R)
• M21: 60,443,524 km (0.064 R)

Asteroid Belt

Center: 12.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 14.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800

Radius: 3.4

Gravity: 69.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 11.42 AU - 17.52 AU

Year: 20413 Days

Day: 15.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,227,804 km

• M1: 42,336 km (0.116 R)
• M2: 165,754 km (0.057 R)
• M3: 590,463 km (0.085 R)
• M4: 954,734 km (0.037 R)
• M5: 1,221,616 km (0.068 R)
• M6: 1,357,002 km (0.118 R)
• M7: 1,570,329 km (0.113 R)
• M8: 2,105,440 km (0.095 R)
• M9: 2,933,465 km (0.111 R)
• M10: 3,094,432 km (0.114 R)
• M11: 3,205,134 km (0.073 R)
• M12: 3,523,179 km (0.065 R)
• M13: 3,643,755 km (0.094 R)
• M14: 4,932,541 km (0.104 R)
• M15: 9,020,752 km (0.057 R)
• M16: 11,457,551 km (0.066 R)
• M17: 12,614,242 km (0.083 R)
• M18: 13,329,769 km (0.036 R)
• M19: 13,996,377 km (0.114 R)
• M20: 16,631,394 km (0.115 R)
• M21: 18,834,671 km (0.107 R)
• M22: 25,345,021 km (0.086 R)
• M23: 26,251,285 km (0.039 R)
• M24: 26,712,495 km (0.095 R)
• M25: 28,489,867 km (0.026 R)
• M26: 31,237,083 km (0.082 R)
• M27: 34,155,587 km (0.091 R)
• M28: 45,463,690 km (0.042 R)
• M29: 54,058,088 km (0.101 R)
• M30: 58,440,857 km (0.106 R)
• M31: 59,621,932 km (0.1 R)
• M32: 60,218,379 km (0.055 R)
• M33: 65,978,495 km (0.111 R)
• M34: 67,473,726 km (0.115 R)
• M35: 67,689,147 km (0.105 R)
• M36: 76,453,488 km (0.03 R)
• M37: 77,157,346 km (0.027 R)
• M38: 77,392,962 km (0.097 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 19,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit