🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.55 AU - 0.57 AU

Year: 275 Days

Day: 34.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 11.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.93 AU - 1.13 AU

Year: 686 Days

Day: 14.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,994,877 km

• M1: 141,071 km (0.025 R)
• M2: 493,523 km (0.119 R)
• M3: 891,603 km (0.079 R)
• M4: 1,279,511 km (0.112 R)
• M5: 2,085,245 km (0.118 R)
• M6: 2,767,261 km (0.063 R)
• M7: 3,132,280 km (0.117 R)
• M8: 3,554,595 km (0.091 R)
• M9: 4,353,448 km (0.105 R)
• M10: 4,788,029 km (0.072 R)
• M11: 5,153,198 km (0.097 R)
• M12: 5,519,862 km (0.063 R)
• M13: 5,993,938 km (0.035 R)
• M14: 6,343,698 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.3

Radius: 13.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.96 AU - 2.4 AU

Year: 2112 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,994,877 km

• M1: 171,589 km (0.114 R)
• M2: 674,986 km (0.091 R)
• M3: 1,185,713 km (0.096 R)
• M4: 2,138,053 km (0.118 R)
• M5: 2,740,633 km (0.116 R)
• M6: 3,720,200 km (0.117 R)
• M7: 5,237,571 km (0.114 R)
• M8: 5,934,548 km (0.104 R)
• M9: 7,377,868 km (0.025 R)
• M10: 10,561,759 km (0.115 R)
• M11: 13,762,705 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.1

Radius: 13.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.13 AU - 3.89 AU

Year: 4314 Days

Day: 10 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,994,877 km

• M1: 172,187 km (0.118 R)
• M2: 926,759 km (0.11 R)
• M3: 1,499,120 km (0.108 R)
• M4: 2,166,776 km (0.096 R)
• M5: 2,760,380 km (0.049 R)
• M6: 3,386,148 km (0.058 R)
• M7: 4,389,501 km (0.104 R)
• M8: 5,374,154 km (0.082 R)
• M9: 7,389,536 km (0.111 R)
• M10: 8,392,291 km (0.086 R)
• M11: 10,383,139 km (0.059 R)
• M12: 11,295,836 km (0.095 R)
• M13: 12,171,283 km (0.077 R)
• M14: 12,718,063 km (0.091 R)
• M15: 13,328,871 km (0.117 R)
• M16: 13,763,154 km (0.072 R)
• M17: 14,256,677 km (0.086 R)
• M18: 14,915,955 km (0.107 R)
• M19: 16,405,351 km (0.102 R)
• M20: 17,585,828 km (0.043 R)
• M21: 21,998,666 km (0.057 R)
• M22: 22,674,400 km (0.081 R)
• M23: 23,294,333 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.6

Radius: 3.3

Gravity: 87.75 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.57 AU - 8.47 AU

Year: 12202 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,994,877 km

• M1: 41,139 km (0.086 R)
• M2: 352,004 km (0.1 R)
• M3: 567,574 km (0.037 R)
• M4: 709,692 km (0.094 R)
• M5: 1,217,427 km (0.118 R)
• M6: 1,625,979 km (0.114 R)
• M7: 1,915,152 km (0.076 R)
• M8: 2,683,935 km (0.091 R)
• M9: 3,836,288 km (0.06 R)
• M10: 6,970,214 km (0.103 R)
• M11: 11,299,576 km (0.066 R)
• M12: 12,151,237 km (0.102 R)
• M13: 12,402,262 km (0.11 R)
• M14: 13,440,920 km (0.117 R)
• M15: 13,709,298 km (0.111 R)
• M16: 15,033,389 km (0.115 R)
• M17: 15,468,569 km (0.053 R)
• M18: 15,986,926 km (0.101 R)
• M19: 16,593,396 km (0.11 R)
• M20: 16,980,106 km (0.077 R)
• M21: 18,013,678 km (0.074 R)
• M22: 20,824,323 km (0.033 R)
• M23: 23,138,452 km (0.085 R)
• M24: 30,287,585 km (0.114 R)
• M25: 36,523,423 km (0.091 R)
• M26: 36,653,573 km (0.073 R)
• M27: 38,239,460 km (0.101 R)
• M28: 40,285,360 km (0.095 R)
• M29: 40,424,337 km (0.072 R)
• M30: 42,403,068 km (0.043 R)
• M31: 42,980,067 km (0.049 R)
• M32: 43,855,364 km (0.089 R)
• M33: 45,792,507 km (0.104 R)
• M34: 49,676,516 km (0.082 R)
• M35: 51,126,867 km (0.111 R)
• M36: 57,210,414 km (0.055 R)
• M37: 59,161,320 km (0.111 R)
• M38: 60,062,498 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.2

Radius: 7.5

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.49 AU - 12.37 AU

Year: 23705 Days

Day: 22.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,994,877 km

• M1: 93,798 km (0.111 R)
• M2: 430,842 km (0.074 R)
• M3: 1,079,199 km (0.085 R)
• M4: 1,322,296 km (0.093 R)
• M5: 4,003,837 km (0.068 R)
• M6: 5,740,369 km (0.061 R)
• M7: 6,401,592 km (0.109 R)
• M8: 6,966,174 km (0.105 R)
• M9: 7,980,298 km (0.107 R)
• M10: 8,974,376 km (0.097 R)
• M11: 13,706,755 km (0.082 R)
• M12: 14,563,951 km (0.1 R)
• M13: 14,965,173 km (0.087 R)
• M14: 20,371,640 km (0.092 R)
• M15: 23,072,031 km (0.092 R)
• M16: 25,885,219 km (0.088 R)
• M17: 26,712,046 km (0.088 R)
• M18: 28,542,975 km (0.094 R)
• M19: 28,918,914 km (0.103 R)
• M20: 30,980,223 km (0.108 R)
• M21: 35,393,061 km (0.086 R)
• M22: 43,925,226 km (0.082 R)
• M23: 46,297,100 km (0.057 R)
• M24: 47,866,083 km (0.096 R)
• M25: 48,219,582 km (0.056 R)
• M26: 49,290,254 km (0.11 R)
• M27: 50,926,107 km (0.095 R)
• M28: 53,162,895 km (0.083 R)
• M29: 61,507,165 km (0.114 R)
• M30: 66,207,380 km (0.105 R)
• M31: 76,556,262 km (0.116 R)
• M32: 83,000,639 km (0.073 R)
• M33: 83,510,917 km (0.095 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: 171 - 12,641 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit