🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.79 AU - 1.11 AU

Year: 343 Days

Day: 16 Hours

Environment

Temp: 15 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 94,695,704 km

• M1: 218,862 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.34 AU - 1.36 AU

Year: 582 Days

Day: 47.7 Hours

Environment

Temp: -29 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,695,704 km

• M1: 44,131 km (0.102 R)
• M2: 434,133 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.22 AU - 1.84 AU

Year: 702 Days

Day: 35 Hours

Environment

Temp: -36 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.05 AU - 3.35 AU

Year: 1645 Days

Day: 32.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.11 AU - 4.65 AU

Year: 3400 Days

Day: 45.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743

Radius: 14.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.6 AU - 7.68 AU

Year: 6345 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 94,695,704 km

• M1: 176,077 km (0.04 R)
• M2: 714,180 km (0.107 R)
• M3: 1,306,588 km (0.104 R)
• M4: 1,906,475 km (0.079 R)
• M5: 2,388,928 km (0.094 R)
• M6: 3,364,606 km (0.111 R)
• M7: 4,177,820 km (0.044 R)
• M8: 4,645,163 km (0.041 R)
• M9: 5,472,440 km (0.105 R)
• M10: 7,992,715 km (0.113 R)
• M11: 8,593,799 km (0.103 R)
• M12: 10,345,590 km (0.105 R)
• M13: 14,960,236 km (0.07 R)
• M14: 17,482,456 km (0.092 R)
• M15: 18,291,481 km (0.115 R)
• M16: 20,130,039 km (0.096 R)
• M17: 20,719,903 km (0.103 R)
• M18: 22,637,599 km (0.066 R)
• M19: 23,195,000 km (0.053 R)
• M20: 24,670,933 km (0.105 R)
• M21: 25,775,264 km (0.109 R)
• M22: 28,082,363 km (0.079 R)
• M23: 30,331,417 km (0.103 R)
• M24: 33,104,214 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 13.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 10.38 AU - 13.18 AU

Year: 14994 Days

Day: 7.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,695,704 km

• M1: 166,652 km (0.082 R)
• M2: 1,012,778 km (0.118 R)
• M3: 2,087,189 km (0.09 R)
• M4: 3,759,544 km (0.117 R)
• M5: 4,934,336 km (0.077 R)
• M6: 6,515,286 km (0.102 R)
• M7: 7,310,549 km (0.038 R)
• M8: 9,468,947 km (0.109 R)
• M9: 12,157,669 km (0.093 R)
• M10: 14,144,479 km (0.059 R)
• M11: 16,230,172 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.4

Radius: 5.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 10.11 AU - 14.41 AU

Year: 15920 Days

Day: 24.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 94,695,704 km

• M1: 77,492 km (0.097 R)
• M2: 479,312 km (0.119 R)
• M3: 782,397 km (0.047 R)
• M4: 1,035,965 km (0.102 R)
• M5: 1,584,989 km (0.104 R)
• M6: 1,882,689 km (0.106 R)
• M7: 2,641,898 km (0.063 R)
• M8: 5,361,139 km (0.045 R)
• M9: 7,024,518 km (0.104 R)
• M10: 7,576,833 km (0.078 R)
• M11: 10,337,961 km (0.118 R)
• M12: 10,735,592 km (0.058 R)
• M13: 14,347,034 km (0.105 R)
• M14: 15,177,901 km (0.114 R)
• M15: 18,954,349 km (0.103 R)
• M16: 20,157,864 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.3

Radius: 4.5

Gravity: 36.11 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 10.23 AU - 14.75 AU

Year: 16370 Days

Day: 17.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 60.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 94,695,704 km

• M1: 57,745 km (0.116 R)
• M2: 552,315 km (0.111 R)
• M3: 770,130 km (0.103 R)
• M4: 1,019,509 km (0.116 R)
• M5: 1,183,319 km (0.095 R)
• M6: 1,364,632 km (0.113 R)
• M7: 1,596,957 km (0.055 R)
• M8: 1,819,260 km (0.093 R)
• M9: 2,160,792 km (0.113 R)
• M10: 2,433,209 km (0.113 R)
• M11: 2,751,853 km (0.092 R)
• M12: 4,407,303 km (0.098 R)
• M13: 5,613,810 km (0.081 R)
• M14: 6,673,860 km (0.04 R)
• M15: 7,388,639 km (0.103 R)
• M16: 12,515,059 km (0.081 R)
• M17: 13,459,320 km (0.111 R)
• M18: 16,895,135 km (0.118 R)
• M19: 18,641,540 km (0.116 R)
• M20: 19,161,842 km (0.1 R)
• M21: 25,012,315 km (0.091 R)
• M22: 25,751,478 km (0.089 R)
• M23: 28,396,369 km (0.118 R)
• M24: 28,739,097 km (0.111 R)
• M25: 30,974,688 km (0.116 R)
• M26: 32,073,035 km (0.084 R)
• M27: 32,320,620 km (0.044 R)
• M28: 33,197,114 km (0.09 R)
• M29: 46,389,103 km (0.117 R)
• M30: 46,547,228 km (0.028 R)
• M31: 50,618,384 km (0.106 R)
• M32: 64,047,336 km (0.071 R)
• M33: 64,834,072 km (0.074 R)
• M34: 68,045,639 km (0.063 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.4

Radius: 3.9

Gravity: 45 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 14.3 AU - 21.24 AU

Year: 27780 Days

Day: 18.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 94,695,704 km

• M1: 48,619 km (0.083 R)
• M2: 337,044 km (0.101 R)
• M3: 513,569 km (0.045 R)
• M4: 1,829,881 km (0.119 R)
• M5: 2,262,668 km (0.106 R)
• M6: 2,733,901 km (0.081 R)
• M7: 4,726,994 km (0.053 R)
• M8: 5,283,049 km (0.059 R)
• M9: 5,706,112 km (0.08 R)
• M10: 7,839,228 km (0.117 R)
• M11: 8,388,850 km (0.115 R)
• M12: 8,846,919 km (0.106 R)
• M13: 12,677,522 km (0.102 R)
• M14: 21,850,115 km (0.097 R)
• M15: 22,605,585 km (0.109 R)
• M16: 24,168,434 km (0.075 R)
• M17: 34,067,175 km (0.12 R)
• M18: 34,644,473 km (0.041 R)
• M19: 35,818,817 km (0.09 R)
• M20: 36,265,965 km (0.039 R)
• M21: 37,019,339 km (0.083 R)
• M22: 51,473,935 km (0.098 R)
• M23: 53,194,310 km (0.113 R)
• M24: 61,518,235 km (0.101 R)
• M25: 72,554,070 km (0.071 R)
• M26: 78,160,250 km (0.089 R)
• M27: 84,048,272 km (0.104 R)
• M28: 91,884,658 km (0.077 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: 499 - 11,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit