🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.44 AU - 0.72 AU

Year: 285 Days

Day: 46.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.6 AU - 0.62 AU

Year: 308 Days

Day: 33.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.57 AU - 0.73 AU

Year: 338 Days

Day: 19.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.53 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 14

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.31 AU - 2.51 AU

Year: 2416 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,359,830 km

• M1: 174,132 km (0.053 R)
• M2: 613,351 km (0.099 R)
• M3: 1,134,101 km (0.102 R)
• M4: 3,154,720 km (0.095 R)
• M5: 3,826,265 km (0.084 R)
• M6: 6,813,136 km (0.083 R)
• M7: 7,969,378 km (0.043 R)
• M8: 10,458,686 km (0.105 R)
• M9: 11,504,375 km (0.105 R)
• M10: 12,382,365 km (0.037 R)
• M11: 12,898,179 km (0.097 R)
• M12: 14,229,301 km (0.12 R)
• M13: 14,751,397 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 14.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.97 AU - 3.29 AU

Year: 2754 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,359,830 km

• M1: 181,612 km (0.077 R)
• M2: 766,689 km (0.093 R)
• M3: 1,385,276 km (0.044 R)
• M4: 2,536,282 km (0.036 R)
• M5: 3,131,831 km (0.101 R)
• M6: 3,920,811 km (0.102 R)
• M7: 5,126,719 km (0.118 R)
• M8: 5,816,365 km (0.091 R)
• M9: 7,445,187 km (0.056 R)
• M10: 9,250,833 km (0.115 R)
• M11: 10,473,945 km (0.088 R)
• M12: 11,758,991 km (0.056 R)
• M13: 14,393,110 km (0.068 R)
• M14: 16,843,823 km (0.037 R)
• M15: 17,455,379 km (0.066 R)
• M16: 18,024,150 km (0.092 R)
• M17: 19,379,507 km (0.065 R)
• M18: 20,549,512 km (0.061 R)
• M19: 22,028,286 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.4

Radius: 9.3

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.55 AU - 3.31 AU

Year: 3238 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,359,830 km

• M1: 118,781 km (0.111 R)
• M2: 516,711 km (0.043 R)
• M3: 816,954 km (0.053 R)
• M4: 1,165,966 km (0.09 R)
• M5: 1,960,480 km (0.06 R)
• M6: 2,303,358 km (0.11 R)
• M7: 2,614,821 km (0.083 R)
• M8: 3,240,739 km (0.078 R)
• M9: 3,616,080 km (0.086 R)
• M10: 4,135,633 km (0.075 R)
• M11: 4,811,217 km (0.097 R)
• M12: 5,750,841 km (0.082 R)
• M13: 6,539,073 km (0.118 R)
• M14: 8,112,393 km (0.109 R)
• M15: 8,937,874 km (0.107 R)
• M16: 9,575,760 km (0.119 R)
• M17: 10,718,388 km (0.096 R)
• M18: 11,245,870 km (0.089 R)
• M19: 12,723,748 km (0.067 R)
• M20: 13,315,258 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 12.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.85 AU - 4.53 AU

Year: 5538 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,359,830 km

• M1: 153,039 km (0.102 R)
• M2: 580,290 km (0.038 R)
• M3: 1,067,680 km (0.096 R)
• M4: 1,697,038 km (0.118 R)
• M5: 2,779,977 km (0.084 R)
• M6: 4,081,329 km (0.089 R)
• M7: 5,020,505 km (0.113 R)
• M8: 7,882,461 km (0.109 R)
• M9: 10,677,698 km (0.111 R)
• M10: 12,452,976 km (0.077 R)
• M11: 14,189,657 km (0.105 R)
• M12: 14,939,442 km (0.1 R)
• M13: 21,768,136 km (0.094 R)
• M14: 26,111,560 km (0.117 R)
• M15: 27,413,660 km (0.048 R)
• M16: 29,400,918 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 8.6

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.3 AU - 6.62 AU

Year: 9395 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,359,830 km

• M1: 107,112 km (0.102 R)
• M2: 717,621 km (0.116 R)
• M3: 1,470,697 km (0.083 R)
• M4: 1,883,138 km (0.118 R)
• M5: 2,577,571 km (0.101 R)
• M6: 2,984,029 km (0.065 R)
• M7: 4,163,010 km (0.113 R)
• M8: 4,902,173 km (0.08 R)
• M9: 6,863,550 km (0.083 R)
• M10: 7,248,166 km (0.107 R)
• M11: 8,187,342 km (0.112 R)
• M12: 8,664,260 km (0.117 R)
• M13: 10,405,429 km (0.087 R)
• M14: 11,979,199 km (0.093 R)
• M15: 12,368,154 km (0.072 R)
• M16: 14,254,433 km (0.081 R)
• M17: 14,565,447 km (0.093 R)
• M18: 15,855,729 km (0.08 R)
• M19: 17,290,671 km (0.03 R)
• M20: 20,495,806 km (0.108 R)
• M21: 23,988,767 km (0.109 R)
• M22: 25,055,250 km (0.106 R)
• M23: 28,150,879 km (0.112 R)
• M24: 28,838,879 km (0.078 R)
• M25: 34,639,836 km (0.042 R)
• M26: 35,316,168 km (0.086 R)
• M27: 37,990,678 km (0.105 R)
• M28: 39,928,868 km (0.054 R)
• M29: 42,571,664 km (0.094 R)
• M30: 43,217,628 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831

Radius: 6

Gravity: 23.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.24 AU - 8.62 AU

Year: 15804 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,359,830 km

• M1: 75,098 km (0.034 R)
• M2: 308,471 km (0.106 R)
• M3: 580,440 km (0.087 R)
• M4: 1,747,004 km (0.104 R)
• M5: 2,409,423 km (0.066 R)
• M6: 2,726,421 km (0.1 R)
• M7: 3,045,214 km (0.108 R)
• M8: 3,388,691 km (0.104 R)
• M9: 3,876,380 km (0.116 R)
• M10: 4,184,552 km (0.089 R)
• M11: 8,892,097 km (0.07 R)
• M12: 10,043,253 km (0.117 R)
• M13: 14,449,509 km (0.035 R)
• M14: 15,956,258 km (0.067 R)
• M15: 16,269,666 km (0.094 R)
• M16: 16,587,262 km (0.081 R)
• M17: 17,071,211 km (0.097 R)
• M18: 18,152,355 km (0.083 R)
• M19: 21,573,060 km (0.104 R)
• M20: 22,638,047 km (0.108 R)
• M21: 25,827,624 km (0.08 R)
• M22: 26,151,353 km (0.101 R)
• M23: 33,207,586 km (0.096 R)
• M24: 34,495,025 km (0.077 R)
• M25: 34,756,522 km (0.116 R)
• M26: 35,949,266 km (0.06 R)
• M27: 37,169,087 km (0.088 R)
• M28: 44,761,628 km (0.112 R)
• M29: 46,014,510 km (0.117 R)
• M30: 59,665,764 km (0.066 R)
• M31: 60,800,913 km (0.1 R)
• M32: 61,757,591 km (0.073 R)
• M33: 64,292,228 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 17,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit