🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.48 AU - 0.72 AU

Year: 300 Days

Day: 33.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.59 AU - 0.75 AU

Year: 354 Days

Day: 28 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,928,451 km

• M1: 72,555 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 11.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.55 AU - 1.87 AU

Year: 1444 Days

Day: 11.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,928,451 km

• M1: 144,362 km (0.115 R)
• M2: 538,403 km (0.079 R)
• M3: 1,266,047 km (0.099 R)
• M4: 1,688,362 km (0.118 R)
• M5: 2,239,331 km (0.115 R)
• M6: 2,692,911 km (0.065 R)
• M7: 3,388,541 km (0.108 R)
• M8: 4,935,683 km (0.118 R)
• M9: 5,799,161 km (0.105 R)
• M10: 8,101,173 km (0.081 R)
• M11: 8,643,615 km (0.087 R)
• M12: 9,301,696 km (0.114 R)
• M13: 9,801,054 km (0.112 R)
• M14: 10,516,880 km (0.09 R)
• M15: 11,197,700 km (0.048 R)

Asteroid Belt

Center: 2.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.1

Radius: 14.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.47 AU - 3.61 AU

Year: 4301 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,928,451 km

• M1: 185,651 km (0.114 R)
• M2: 998,416 km (0.086 R)
• M3: 1,651,261 km (0.041 R)
• M4: 2,299,020 km (0.114 R)
• M5: 2,822,613 km (0.096 R)
• M6: 6,950,317 km (0.109 R)
• M7: 9,205,505 km (0.103 R)
• M8: 11,677,161 km (0.088 R)
• M9: 13,091,758 km (0.11 R)
• M10: 15,226,969 km (0.083 R)
• M11: 16,260,092 km (0.107 R)
• M12: 17,095,446 km (0.108 R)
• M13: 20,588,557 km (0.062 R)
• M14: 24,921,210 km (0.097 R)
• M15: 27,508,804 km (0.028 R)
• M16: 28,267,714 km (0.071 R)
• M17: 28,781,434 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.2

Radius: 12.4

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.89 AU - 4.93 AU

Year: 5980 Days

Day: 14.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,928,451 km

• M1: 167,849 km (0.069 R)
• M2: 609,761 km (0.061 R)
• M3: 1,902,137 km (0.047 R)
• M4: 3,278,886 km (0.103 R)
• M5: 3,990,523 km (0.065 R)
• M6: 7,450,572 km (0.105 R)
• M7: 11,264,869 km (0.105 R)
• M8: 12,839,985 km (0.119 R)
• M9: 16,423,153 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.8

Radius: 4.2

Gravity: 16.37 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.39 AU - 6.71 AU

Year: 10824 Days

Day: 20.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,928,451 km

• M1: 52,210 km (0.059 R)
• M2: 241,451 km (0.118 R)
• M3: 455,077 km (0.113 R)
• M4: 984,653 km (0.115 R)
• M5: 1,363,136 km (0.091 R)
• M6: 2,895,766 km (0.116 R)
• M7: 3,364,007 km (0.108 R)
• M8: 6,043,455 km (0.092 R)
• M9: 8,143,659 km (0.038 R)
• M10: 9,201,466 km (0.034 R)
• M11: 11,534,594 km (0.087 R)
• M12: 17,596,898 km (0.086 R)
• M13: 18,355,509 km (0.078 R)
• M14: 25,054,352 km (0.096 R)
• M15: 27,727,816 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.9

Radius: 7

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.73 AU - 10.45 AU

Year: 16256 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,928,451 km

• M1: 87,216 km (0.032 R)
• M2: 318,045 km (0.078 R)
• M3: 551,119 km (0.11 R)
• M4: 1,114,205 km (0.066 R)
• M5: 1,357,601 km (0.046 R)
• M6: 1,669,961 km (0.033 R)
• M7: 2,107,834 km (0.078 R)
• M8: 3,345,607 km (0.039 R)
• M9: 3,682,352 km (0.119 R)
• M10: 3,980,201 km (0.118 R)
• M11: 5,875,606 km (0.115 R)
• M12: 6,200,084 km (0.116 R)
• M13: 8,354,293 km (0.09 R)
• M14: 11,517,839 km (0.043 R)
• M15: 12,286,772 km (0.109 R)
• M16: 13,157,881 km (0.105 R)
• M17: 13,433,889 km (0.08 R)
• M18: 14,430,959 km (0.097 R)
• M19: 16,491,819 km (0.097 R)
• M20: 18,828,089 km (0.118 R)
• M21: 19,713,259 km (0.049 R)
• M22: 20,625,956 km (0.101 R)
• M23: 25,830,765 km (0.055 R)
• M24: 33,358,081 km (0.095 R)
• M25: 41,187,286 km (0.104 R)
• M26: 46,395,685 km (0.096 R)
• M27: 48,497,835 km (0.095 R)
• M28: 64,026,692 km (0.028 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 13,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit