🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.61 AU - 0.63 AU

Year: 315 Days

Day: 19.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.1 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.7

Radius: 13.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.25 AU - 1.91 AU

Year: 1282 Days

Day: 10.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,119,629 km

• M1: 167,998 km (0.088 R)
• M2: 685,607 km (0.062 R)
• M3: 1,121,984 km (0.113 R)
• M4: 1,552,975 km (0.069 R)
• M5: 2,281,816 km (0.103 R)
• M6: 3,123,155 km (0.085 R)
• M7: 4,114,091 km (0.119 R)
• M8: 4,613,748 km (0.115 R)
• M9: 5,537,216 km (0.062 R)
• M10: 5,960,428 km (0.091 R)
• M11: 6,427,024 km (0.096 R)
• M12: 7,079,420 km (0.083 R)
• M13: 7,975,661 km (0.084 R)
• M14: 9,028,231 km (0.104 R)
• M15: 9,559,753 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 8.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.94 AU - 2.88 AU

Year: 2416 Days

Day: 12.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,119,629 km

• M1: 108,309 km (0.051 R)
• M2: 486,492 km (0.107 R)
• M3: 988,842 km (0.081 R)
• M4: 1,548,787 km (0.105 R)
• M5: 3,590,947 km (0.088 R)
• M6: 4,128,602 km (0.069 R)
• M7: 5,056,258 km (0.063 R)
• M8: 5,432,198 km (0.064 R)
• M9: 5,922,131 km (0.056 R)
• M10: 6,673,112 km (0.039 R)
• M11: 7,098,868 km (0.067 R)
• M12: 9,242,904 km (0.074 R)
• M13: 10,078,857 km (0.111 R)
• M14: 11,147,585 km (0.067 R)
• M15: 12,408,395 km (0.097 R)
• M16: 12,687,695 km (0.108 R)
• M17: 14,452,201 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 13.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.3 AU - 2.98 AU

Year: 2770 Days

Day: 12.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,119,629 km

• M1: 175,927 km (0.101 R)
• M2: 692,189 km (0.078 R)
• M3: 1,913,506 km (0.102 R)
• M4: 2,552,140 km (0.118 R)
• M5: 3,886,702 km (0.104 R)
• M6: 5,236,973 km (0.064 R)
• M7: 6,940,294 km (0.1 R)
• M8: 9,279,107 km (0.043 R)
• M9: 10,708,515 km (0.084 R)
• M10: 13,473,083 km (0.104 R)
• M11: 14,491,995 km (0.061 R)
• M12: 18,088,178 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.3

Radius: 12

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.41 AU - 3.33 AU

Year: 3139 Days

Day: 9.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,119,629 km

• M1: 151,543 km (0.109 R)
• M2: 581,936 km (0.076 R)
• M3: 996,322 km (0.085 R)
• M4: 1,446,611 km (0.104 R)
• M5: 1,857,706 km (0.095 R)
• M6: 2,807,653 km (0.045 R)
• M7: 3,218,449 km (0.12 R)
• M8: 4,771,125 km (0.092 R)
• M9: 6,306,597 km (0.114 R)
• M10: 7,172,320 km (0.101 R)
• M11: 8,047,917 km (0.106 R)
• M12: 8,884,767 km (0.085 R)
• M13: 10,367,432 km (0.089 R)
• M14: 11,104,800 km (0.063 R)
• M15: 12,321,030 km (0.115 R)
• M16: 14,309,036 km (0.086 R)
• M17: 15,327,349 km (0.102 R)
• M18: 16,944,652 km (0.102 R)
• M19: 18,259,467 km (0.107 R)
• M20: 18,672,806 km (0.082 R)
• M21: 19,764,571 km (0.084 R)
• M22: 20,579,132 km (0.096 R)
• M23: 22,544,399 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.8

Radius: 9.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.66 AU - 3.62 AU

Year: 3593 Days

Day: 7.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,119,629 km

• M1: 115,639 km (0.086 R)
• M2: 754,272 km (0.091 R)
• M3: 1,105,977 km (0.089 R)
• M4: 1,505,403 km (0.105 R)
• M5: 2,797,181 km (0.114 R)
• M6: 4,937,029 km (0.045 R)
• M7: 5,503,257 km (0.064 R)
• M8: 8,796,355 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.8

Radius: 14.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.73 AU - 4.73 AU

Year: 6642 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,119,629 km

• M1: 186,100 km (0.1 R)
• M2: 656,884 km (0.117 R)
• M3: 1,196,633 km (0.069 R)
• M4: 1,771,538 km (0.085 R)
• M5: 2,303,059 km (0.046 R)
• M6: 2,790,000 km (0.079 R)
• M7: 3,312,845 km (0.065 R)
• M8: 4,291,215 km (0.076 R)
• M9: 4,881,977 km (0.118 R)
• M10: 6,439,291 km (0.115 R)
• M11: 7,688,583 km (0.06 R)
• M12: 8,662,016 km (0.112 R)
• M13: 10,589,884 km (0.112 R)
• M14: 14,664,331 km (0.041 R)
• M15: 16,161,058 km (0.09 R)
• M16: 16,972,477 km (0.065 R)
• M17: 17,810,674 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.4

Radius: 4.8

Gravity: 39.9 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.49 AU - 7.61 AU

Year: 10824 Days

Day: 20.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,119,629 km

• M1: 59,690 km (0.114 R)
• M2: 368,460 km (0.076 R)
• M3: 702,362 km (0.113 R)
• M4: 1,084,136 km (0.071 R)
• M5: 1,884,185 km (0.116 R)
• M6: 2,902,947 km (0.042 R)
• M7: 3,337,229 km (0.087 R)
• M8: 3,981,996 km (0.119 R)
• M9: 4,214,322 km (0.112 R)
• M10: 4,738,213 km (0.116 R)
• M11: 6,217,288 km (0.06 R)
• M12: 6,570,189 km (0.08 R)
• M13: 7,061,468 km (0.03 R)
• M14: 9,475,679 km (0.032 R)
• M15: 12,947,995 km (0.081 R)
• M16: 16,360,023 km (0.104 R)
• M17: 17,566,979 km (0.102 R)
• M18: 17,955,933 km (0.093 R)
• M19: 27,720,635 km (0.066 R)
• M20: 28,460,546 km (0.083 R)
• M21: 32,825,662 km (0.073 R)
• M22: 40,785,017 km (0.076 R)
• M23: 52,624,791 km (0.103 R)
• M24: 54,084,866 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.2

Radius: 4.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.67 AU - 12.15 AU

Year: 20143 Days

Day: 22.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,119,629 km

• M1: 55,650 km (0.042 R)
• M2: 851,062 km (0.087 R)
• M3: 1,539,362 km (0.113 R)
• M4: 3,597,679 km (0.065 R)
• M5: 15,545,463 km (0.046 R)
• M6: 18,466,511 km (0.094 R)
• M7: 25,774,217 km (0.111 R)
• M8: 26,857,455 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 10,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit