🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.39 AU - 0.63 AU

Year: 235 Days

Day: 31.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,257,851 km

• M1: 98,585 km (0.084 R)
• M2: 399,576 km (0.104 R)

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.8

Radius: 11.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.31 AU - 1.39 AU

Year: 1013 Days

Day: 12.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,257,851 km

• M1: 139,276 km (0.112 R)
• M2: 535,560 km (0.064 R)
• M3: 1,113,607 km (0.093 R)
• M4: 1,557,463 km (0.102 R)
• M5: 2,014,036 km (0.109 R)
• M6: 2,538,825 km (0.115 R)
• M7: 2,979,690 km (0.076 R)
• M8: 3,975,115 km (0.075 R)
• M9: 4,806,131 km (0.034 R)
• M10: 5,450,748 km (0.091 R)
• M11: 6,077,413 km (0.092 R)
• M12: 6,554,032 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.5

Radius: 10.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.25 AU - 1.91 AU

Year: 1282 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,257,851 km

• M1: 133,142 km (0.116 R)
• M2: 486,043 km (0.098 R)
• M3: 820,096 km (0.101 R)
• M4: 1,238,072 km (0.073 R)
• M5: 1,722,919 km (0.083 R)
• M6: 2,521,622 km (0.118 R)
• M7: 2,861,358 km (0.05 R)
• M8: 3,496,401 km (0.065 R)
• M9: 4,269,822 km (0.112 R)
• M10: 4,672,540 km (0.098 R)
• M11: 5,171,449 km (0.106 R)
• M12: 5,743,661 km (0.09 R)
• M13: 6,195,297 km (0.077 R)
• M14: 6,884,494 km (0.091 R)
• M15: 7,670,481 km (0.106 R)
• M16: 8,194,523 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.4

Radius: 12.1

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.59 AU - 1.69 AU

Year: 1356 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,257,851 km

• M1: 150,495 km (0.084 R)
• M2: 683,064 km (0.1 R)
• M3: 1,070,822 km (0.048 R)
• M4: 1,460,973 km (0.057 R)
• M5: 2,081,056 km (0.096 R)
• M6: 3,884,458 km (0.072 R)
• M7: 5,609,771 km (0.12 R)
• M8: 6,083,547 km (0.095 R)
• M9: 6,678,049 km (0.115 R)
• M10: 7,161,400 km (0.028 R)
• M11: 11,060,369 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.8

Radius: 9.4

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.39 AU - 3.83 AU

Year: 4429 Days

Day: 14.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,257,851 km

• M1: 117,285 km (0.083 R)
• M2: 775,216 km (0.087 R)
• M3: 1,242,261 km (0.064 R)
• M4: 2,404,038 km (0.107 R)
• M5: 3,823,722 km (0.087 R)
• M6: 4,858,640 km (0.064 R)
• M7: 5,214,084 km (0.083 R)
• M8: 6,483,123 km (0.118 R)
• M9: 6,914,862 km (0.103 R)
• M10: 9,367,669 km (0.118 R)
• M11: 10,950,265 km (0.092 R)
• M12: 12,349,155 km (0.115 R)
• M13: 13,486,996 km (0.047 R)
• M14: 16,331,151 km (0.091 R)
• M15: 17,194,181 km (0.117 R)
• M16: 17,700,719 km (0.11 R)
• M17: 19,416,158 km (0.108 R)
• M18: 19,896,367 km (0.07 R)
• M19: 20,244,182 km (0.06 R)
• M20: 22,342,143 km (0.079 R)
• M21: 28,170,177 km (0.034 R)
• M22: 28,608,947 km (0.084 R)
• M23: 29,052,206 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 11.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.96 AU - 6.42 AU

Year: 8764 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,257,851 km

• M1: 143,016 km (0.069 R)
• M2: 838,945 km (0.091 R)
• M3: 1,767,648 km (0.1 R)
• M4: 2,808,850 km (0.116 R)
• M5: 4,749,583 km (0.12 R)
• M6: 8,678,920 km (0.116 R)
• M7: 11,422,246 km (0.072 R)
• M8: 12,452,676 km (0.104 R)
• M9: 13,190,044 km (0.117 R)
• M10: 19,320,864 km (0.096 R)
• M11: 21,330,861 km (0.076 R)
• M12: 22,458,231 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.3

Radius: 6

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.65 AU - 10.67 AU

Year: 20910 Days

Day: 19.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,257,851 km

• M1: 74,799 km (0.034 R)
• M2: 339,886 km (0.052 R)
• M3: 533,167 km (0.089 R)
• M4: 720,912 km (0.037 R)
• M5: 1,413,401 km (0.095 R)
• M6: 2,295,280 km (0.072 R)
• M7: 2,585,500 km (0.067 R)
• M8: 4,803,887 km (0.11 R)
• M9: 5,038,007 km (0.104 R)
• M10: 9,955,888 km (0.043 R)
• M11: 10,728,262 km (0.106 R)
• M12: 11,960,948 km (0.063 R)
• M13: 16,979,508 km (0.111 R)
• M14: 17,602,583 km (0.075 R)
• M15: 18,729,653 km (0.099 R)
• M16: 20,075,735 km (0.1 R)
• M17: 22,864,838 km (0.113 R)
• M18: 28,321,869 km (0.062 R)
• M19: 39,645,829 km (0.072 R)
• M20: 44,586,897 km (0.079 R)
• M21: 54,486,536 km (0.091 R)
• M22: 58,086,160 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632.6

Radius: 4.6

Gravity: 29.9 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.38 AU - 10.72 AU

Year: 22126 Days

Day: 18.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,257,851 km

• M1: 76,145 km (0.096 R)
• M2: 460,163 km (0.117 R)
• M3: 609,013 km (0.072 R)
• M4: 1,111,512 km (0.108 R)
• M5: 1,433,297 km (0.075 R)
• M6: 1,668,615 km (0.033 R)
• M7: 2,195,648 km (0.105 R)
• M8: 2,532,692 km (0.118 R)
• M9: 2,877,665 km (0.112 R)
• M10: 3,034,742 km (0.102 R)
• M11: 3,845,563 km (0.033 R)
• M12: 5,677,090 km (0.095 R)
• M13: 6,137,103 km (0.065 R)
• M14: 7,766,224 km (0.05 R)
• M15: 11,715,308 km (0.066 R)
• M16: 12,117,278 km (0.084 R)
• M17: 16,240,794 km (0.11 R)
• M18: 16,489,276 km (0.116 R)
• M19: 16,994,019 km (0.09 R)
• M20: 18,660,240 km (0.04 R)
• M21: 22,211,693 km (0.061 R)
• M22: 22,723,767 km (0.075 R)
• M23: 24,632,337 km (0.068 R)
• M24: 27,339,609 km (0.052 R)
• M25: 30,114,051 km (0.112 R)
• M26: 32,281,425 km (0.096 R)
• M27: 34,550,675 km (0.085 R)
• M28: 35,515,133 km (0.109 R)
• M29: 40,912,774 km (0.055 R)
• M30: 47,167,610 km (0.11 R)
• M31: 48,524,762 km (0.087 R)
• M32: 49,213,062 km (0.058 R)
• M33: 49,386,147 km (0.097 R)
• M34: 53,663,000 km (0.117 R)
• M35: 56,268,397 km (0.118 R)
• M36: 67,961,864 km (0.093 R)
• M37: 72,789,537 km (0.081 R)
• M38: 73,691,163 km (0.079 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 14,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit