🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.51 AU - 1.59 AU

Year: 675 Days

Day: 45.3 Hours

Environment

Temp: -3 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.87 AU - 3.03 AU

Year: 1342 Days

Day: 26.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.2 AU - 2.78 AU

Year: 1375 Days

Day: 40.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.57 AU - 4.79 AU

Year: 2990 Days

Day: 12.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.27 AU - 5.01 AU

Year: 3497 Days

Day: 35.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 12.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.89 AU - 7.21 AU

Year: 5206 Days

Day: 14.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 101,954,084 km

• M1: 172,187 km (0.115 R)
• M2: 574,456 km (0.071 R)
• M3: 1,044,044 km (0.114 R)
• M4: 1,492,538 km (0.109 R)
• M5: 2,223,623 km (0.116 R)
• M6: 2,637,261 km (0.116 R)
• M7: 3,893,883 km (0.082 R)
• M8: 4,578,592 km (0.091 R)
• M9: 5,004,946 km (0.114 R)
• M10: 6,479,682 km (0.119 R)
• M11: 7,300,077 km (0.03 R)
• M12: 8,382,417 km (0.102 R)
• M13: 8,982,754 km (0.102 R)
• M14: 11,146,388 km (0.067 R)
• M15: 11,676,413 km (0.075 R)
• M16: 12,273,608 km (0.078 R)
• M17: 13,154,590 km (0.05 R)
• M18: 18,336,510 km (0.075 R)
• M19: 19,905,343 km (0.102 R)
• M20: 20,830,756 km (0.105 R)
• M21: 22,921,087 km (0.103 R)
• M22: 24,497,549 km (0.098 R)
• M23: 26,738,824 km (0.097 R)
• M24: 29,477,213 km (0.066 R)
• M25: 30,120,484 km (0.042 R)
• M26: 30,585,733 km (0.059 R)
• M27: 31,721,780 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 11.2

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.51 AU - 10.05 AU

Year: 8335 Days

Day: 6.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 101,954,084 km

• M1: 139,874 km (0.062 R)
• M2: 987,196 km (0.036 R)
• M3: 1,349,522 km (0.077 R)
• M4: 1,730,099 km (0.093 R)
• M5: 2,303,807 km (0.081 R)
• M6: 2,774,143 km (0.105 R)
• M7: 3,218,299 km (0.038 R)
• M8: 3,636,575 km (0.064 R)
• M9: 4,415,082 km (0.082 R)
• M10: 6,161,637 km (0.085 R)
• M11: 6,998,338 km (0.101 R)
• M12: 7,786,120 km (0.076 R)
• M13: 10,208,858 km (0.104 R)
• M14: 10,758,032 km (0.086 R)
• M15: 12,524,483 km (0.116 R)
• M16: 14,414,652 km (0.088 R)
• M17: 17,384,619 km (0.091 R)
• M18: 19,501,578 km (0.103 R)
• M19: 22,195,836 km (0.055 R)
• M20: 24,593,890 km (0.079 R)
• M21: 26,409,111 km (0.115 R)
• M22: 27,064,948 km (0.065 R)
• M23: 28,605,058 km (0.117 R)
• M24: 29,898,780 km (0.116 R)
• M25: 30,406,665 km (0.092 R)
• M26: 30,920,234 km (0.069 R)
• M27: 36,725,679 km (0.058 R)
• M28: 37,660,666 km (0.099 R)
• M29: 38,851,764 km (0.067 R)
• M30: 40,685,235 km (0.027 R)
• M31: 41,183,695 km (0.109 R)
• M32: 41,812,605 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.9

Radius: 8.2

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.13 AU - 9.85 AU

Year: 9430 Days

Day: 10.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 101,954,084 km

• M1: 121,773 km (0.114 R)
• M2: 392,246 km (0.1 R)
• M3: 941,270 km (0.037 R)
• M4: 1,201,869 km (0.089 R)
• M5: 1,664,426 km (0.106 R)
• M6: 2,068,939 km (0.093 R)
• M7: 2,367,835 km (0.108 R)
• M8: 3,788,566 km (0.071 R)
• M9: 7,442,644 km (0.113 R)
• M10: 8,192,727 km (0.06 R)
• M11: 11,006,813 km (0.088 R)
• M12: 11,432,269 km (0.047 R)
• M13: 12,147,198 km (0.111 R)
• M14: 14,033,327 km (0.069 R)
• M15: 15,241,480 km (0.059 R)
• M16: 15,570,446 km (0.116 R)
• M17: 16,311,254 km (0.114 R)
• M18: 20,851,400 km (0.083 R)
• M19: 22,000,910 km (0.092 R)
• M20: 22,676,344 km (0.069 R)
• M21: 24,246,823 km (0.054 R)
• M22: 28,190,522 km (0.082 R)
• M23: 30,004,247 km (0.102 R)
• M24: 30,834,814 km (0.079 R)
• M25: 33,862,824 km (0.052 R)
• M26: 35,910,670 km (0.104 R)
• M27: 36,846,704 km (0.11 R)
• M28: 39,752,792 km (0.033 R)
• M29: 42,547,579 km (0.119 R)
• M30: 43,069,526 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.8

Radius: 7.9

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 16.57 AU - 19.57 AU

Year: 26873 Days

Day: 23.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 101,954,084 km

• M1: 98,286 km (0.091 R)
• M2: 377,735 km (0.113 R)
• M3: 625,618 km (0.082 R)
• M4: 1,014,872 km (0.076 R)
• M5: 2,015,233 km (0.041 R)
• M6: 2,456,098 km (0.099 R)
• M7: 3,162,050 km (0.108 R)
• M8: 4,771,723 km (0.091 R)
• M9: 5,299,505 km (0.118 R)
• M10: 8,893,593 km (0.111 R)
• M11: 10,808,745 km (0.059 R)
• M12: 11,222,533 km (0.114 R)
• M13: 14,010,888 km (0.062 R)
• M14: 14,337,460 km (0.092 R)
• M15: 17,794,816 km (0.074 R)
• M16: 18,469,204 km (0.085 R)
• M17: 19,664,790 km (0.112 R)
• M18: 20,177,910 km (0.095 R)
• M19: 21,445,603 km (0.108 R)
• M20: 22,653,755 km (0.106 R)
• M21: 25,445,850 km (0.055 R)
• M22: 28,459,499 km (0.088 R)
• M23: 30,595,757 km (0.032 R)
• M24: 32,693,418 km (0.029 R)
• M25: 38,913,249 km (0.034 R)
• M26: 48,806,904 km (0.115 R)
• M27: 52,053,178 km (0.115 R)
• M28: 56,258,224 km (0.08 R)
• M29: 60,038,413 km (0.111 R)
• M30: 65,337,319 km (0.06 R)
• M31: 67,170,641 km (0.076 R)
• M32: 72,876,004 km (0.063 R)
• M33: 74,351,189 km (0.067 R)
• M34: 80,451,192 km (0.094 R)
• M35: 83,622,667 km (0.036 R)
• M36: 85,782,710 km (0.118 R)
• M37: 95,964,192 km (0.105 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 14,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit