🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.56 AU - 0.68 AU

Year: 175 Days

Day: 30.8 Hours

Environment

Temp: 177 °C

Axial Tilt: 0.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.75 AU - 0.77 AU

Year: 237 Days

Day: 26.4 Hours

Environment

Temp: 160 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.7 AU - 0.98 AU

Year: 276 Days

Day: 36.2 Hours

Environment

Temp: 101 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.8 AU - 3.88 AU

Year: 2695 Days

Day: 16.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,772,718 km

• M1: 774,169 km (0.115 R)
• M2: 879,187 km (0.101 R)

Asteroid Belt

Center: 5.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 8.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.71 AU - 7.97 AU

Year: 7862 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 169.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,772,718 km

• M1: 100,829 km (0.084 R)
• M2: 414,087 km (0.064 R)
• M3: 728,691 km (0.085 R)
• M4: 1,056,161 km (0.085 R)
• M5: 1,517,670 km (0.087 R)
• M6: 1,885,232 km (0.118 R)
• M7: 2,202,081 km (0.116 R)
• M8: 3,293,547 km (0.095 R)
• M9: 4,205,047 km (0.079 R)
• M10: 6,003,811 km (0.052 R)
• M11: 6,466,966 km (0.106 R)
• M12: 7,659,561 km (0.038 R)
• M13: 9,149,406 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.4

Radius: 13.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.65 AU - 10.93 AU

Year: 9334 Days

Day: 14.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,772,718 km

• M1: 165,455 km (0.112 R)
• M2: 598,990 km (0.094 R)
• M3: 1,111,961 km (0.107 R)
• M4: 1,801,009 km (0.108 R)
• M5: 2,415,108 km (0.067 R)
• M6: 3,279,185 km (0.108 R)
• M7: 3,758,647 km (0.055 R)
• M8: 4,424,207 km (0.091 R)
• M9: 7,331,792 km (0.111 R)
• M10: 8,417,573 km (0.11 R)
• M11: 8,953,732 km (0.057 R)
• M12: 9,655,795 km (0.1 R)
• M13: 10,907,480 km (0.044 R)
• M14: 11,928,934 km (0.103 R)
• M15: 12,837,891 km (0.118 R)
• M16: 13,309,274 km (0.068 R)
• M17: 15,509,709 km (0.092 R)
• M18: 18,984,119 km (0.077 R)
• M19: 21,105,268 km (0.095 R)
• M20: 22,265,249 km (0.104 R)
• M21: 24,262,531 km (0.091 R)
• M22: 24,893,534 km (0.076 R)
• M23: 27,333,326 km (0.054 R)
• M24: 28,611,191 km (0.065 R)
• M25: 30,654,548 km (0.046 R)
• M26: 37,366,407 km (0.104 R)
• M27: 38,208,194 km (0.061 R)
• M28: 39,680,686 km (0.085 R)
• M29: 41,446,090 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 12.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.81 AU - 9.37 AU

Year: 9816 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,772,718 km

• M1: 160,668 km (0.119 R)
• M2: 584,778 km (0.071 R)
• M3: 1,106,276 km (0.102 R)
• M4: 1,987,707 km (0.097 R)
• M5: 2,553,636 km (0.069 R)
• M6: 3,158,161 km (0.07 R)
• M7: 4,312,607 km (0.109 R)
• M8: 4,956,327 km (0.076 R)
• M9: 6,076,815 km (0.093 R)
• M10: 7,003,574 km (0.089 R)
• M11: 7,603,611 km (0.038 R)
• M12: 9,044,687 km (0.113 R)
• M13: 9,805,841 km (0.086 R)
• M14: 10,712,704 km (0.117 R)
• M15: 12,927,650 km (0.065 R)
• M16: 15,168,626 km (0.035 R)
• M17: 16,106,305 km (0.045 R)
• M18: 17,153,640 km (0.057 R)
• M19: 18,922,784 km (0.101 R)
• M20: 20,892,091 km (0.078 R)
• M21: 26,265,048 km (0.118 R)
• M22: 27,128,676 km (0.092 R)
• M23: 31,949,916 km (0.094 R)
• M24: 35,078,307 km (0.106 R)
• M25: 37,675,326 km (0.088 R)
• M26: 40,271,747 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.8

Radius: 4.5

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 15.73 AU - 18.17 AU

Year: 24994 Days

Day: 18.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,772,718 km

• M1: 283,937 km (0.106 R)
• M2: 527,632 km (0.095 R)
• M3: 701,165 km (0.079 R)
• M4: 1,382,434 km (0.111 R)
• M5: 1,580,352 km (0.105 R)
• M6: 1,896,003 km (0.114 R)
• M7: 2,233,496 km (0.08 R)
• M8: 4,548,074 km (0.105 R)
• M9: 5,593,464 km (0.075 R)
• M10: 10,085,290 km (0.104 R)
• M11: 10,939,943 km (0.045 R)
• M12: 14,180,382 km (0.109 R)
• M13: 25,338,139 km (0.108 R)
• M14: 27,110,425 km (0.069 R)
• M15: 42,971,839 km (0.079 R)
• M16: 49,887,748 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.6

Radius: 4.4

Gravity: 22.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 18.05 AU - 20.97 AU

Year: 30865 Days

Day: 17.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,772,718 km

• M1: 54,753 km (0.089 R)
• M2: 193,580 km (0.057 R)
• M3: 390,301 km (0.09 R)
• M4: 835,055 km (0.095 R)
• M5: 1,668,465 km (0.026 R)
• M6: 1,938,040 km (0.099 R)
• M7: 2,083,300 km (0.101 R)
• M8: 3,678,013 km (0.072 R)
• M9: 5,901,187 km (0.087 R)
• M10: 7,341,366 km (0.072 R)
• M11: 9,115,597 km (0.108 R)
• M12: 9,645,024 km (0.111 R)
• M13: 9,826,037 km (0.066 R)
• M14: 12,177,715 km (0.078 R)
• M15: 12,892,045 km (0.112 R)
• M16: 13,259,607 km (0.111 R)
• M17: 14,169,910 km (0.11 R)
• M18: 16,029,861 km (0.116 R)
• M19: 18,785,753 km (0.102 R)
• M20: 19,449,070 km (0.053 R)
• M21: 19,738,093 km (0.072 R)
• M22: 25,327,368 km (0.111 R)
• M23: 27,442,084 km (0.07 R)
• M24: 30,183,016 km (0.1 R)
• M25: 36,056,677 km (0.068 R)
• M26: 36,785,368 km (0.05 R)
• M27: 39,490,248 km (0.069 R)
• M28: 40,891,232 km (0.119 R)
• M29: 41,206,883 km (0.102 R)
• M30: 41,365,457 km (0.093 R)
• M31: 43,135,648 km (0.108 R)
• M32: 60,982,375 km (0.071 R)
• M33: 62,224,337 km (0.076 R)
• M34: 63,694,585 km (0.086 R)
• M35: 68,688,012 km (0.118 R)
• M36: 70,032,149 km (0.117 R)
• M37: 70,484,084 km (0.109 R)
• M38: 73,935,905 km (0.086 R)
• M39: 78,467,823 km (0.101 R)
• M40: 80,677,683 km (0.051 R)

Kuiper Belt

Range: 30.6 - 48.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 19,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit