🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933

Radius: 10.8

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.68 AU - 0.86 AU

Year: 466 Days

Day: 7.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,692,893 km

• M1: 134,339 km (0.104 R)
• M2: 476,170 km (0.087 R)
• M3: 812,915 km (0.055 R)
• M4: 1,397,543 km (0.101 R)
• M5: 1,782,309 km (0.089 R)
• M6: 2,155,406 km (0.077 R)
• M7: 2,509,654 km (0.084 R)
• M8: 2,891,876 km (0.077 R)
• M9: 3,239,991 km (0.088 R)
• M10: 3,734,860 km (0.034 R)
• M11: 4,734,324 km (0.11 R)
• M12: 5,087,973 km (0.105 R)
• M13: 5,476,628 km (0.101 R)
• M14: 5,812,625 km (0.055 R)
• M15: 6,275,780 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.6

Radius: 12.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.95 AU - 1.01 AU

Year: 670 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,692,893 km

• M1: 153,338 km (0.099 R)
• M2: 788,231 km (0.064 R)
• M3: 1,822,551 km (0.059 R)
• M4: 2,325,798 km (0.108 R)
• M5: 2,864,949 km (0.063 R)
• M6: 4,067,566 km (0.073 R)
• M7: 4,464,599 km (0.042 R)
• M8: 5,406,467 km (0.082 R)
• M9: 6,263,364 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.9

Radius: 13.7

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.97 AU - 1.33 AU

Year: 851 Days

Day: 10.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,692,893 km

• M1: 170,691 km (0.117 R)
• M2: 688,449 km (0.092 R)
• M3: 1,295,069 km (0.048 R)
• M4: 1,865,635 km (0.106 R)
• M5: 2,406,581 km (0.114 R)
• M6: 3,282,925 km (0.05 R)
• M7: 3,973,918 km (0.088 R)
• M8: 4,459,961 km (0.032 R)
• M9: 5,163,969 km (0.104 R)
• M10: 6,021,165 km (0.113 R)
• M11: 6,860,708 km (0.115 R)
• M12: 7,424,243 km (0.077 R)
• M13: 7,873,037 km (0.095 R)
• M14: 8,365,064 km (0.116 R)
• M15: 8,851,556 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 10.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.18 AU - 2.82 AU

Year: 2728 Days

Day: 9 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,692,893 km

• M1: 130,150 km (0.115 R)
• M2: 451,038 km (0.078 R)
• M3: 1,759,720 km (0.08 R)
• M4: 2,084,497 km (0.072 R)
• M5: 2,557,824 km (0.111 R)
• M6: 3,070,646 km (0.094 R)
• M7: 3,393,777 km (0.115 R)
• M8: 4,303,033 km (0.075 R)
• M9: 4,987,144 km (0.115 R)
• M10: 5,321,346 km (0.054 R)
• M11: 6,010,244 km (0.116 R)
• M12: 7,223,782 km (0.116 R)
• M13: 11,338,621 km (0.102 R)
• M14: 12,397,624 km (0.039 R)
• M15: 15,215,749 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 9.9

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.53 AU - 2.77 AU

Year: 2978 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,692,893 km

• M1: 123,119 km (0.084 R)
• M2: 513,719 km (0.116 R)
• M3: 881,131 km (0.084 R)
• M4: 1,231,639 km (0.106 R)
• M5: 1,954,945 km (0.063 R)
• M6: 2,725,673 km (0.091 R)
• M7: 3,131,831 km (0.102 R)
• M8: 3,723,940 km (0.107 R)
• M9: 4,556,452 km (0.086 R)
• M10: 5,364,879 km (0.114 R)
• M11: 5,803,500 km (0.104 R)
• M12: 6,161,039 km (0.118 R)
• M13: 6,506,311 km (0.115 R)
• M14: 7,005,519 km (0.083 R)
• M15: 7,894,579 km (0.086 R)
• M16: 8,592,902 km (0.107 R)
• M17: 9,092,259 km (0.058 R)
• M18: 12,547,970 km (0.094 R)
• M19: 14,683,779 km (0.099 R)
• M20: 15,301,618 km (0.118 R)
• M21: 15,788,559 km (0.111 R)
• M22: 16,285,823 km (0.118 R)
• M23: 17,155,285 km (0.1 R)
• M24: 17,469,291 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 11.9

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.15 AU - 4.41 AU

Year: 5073 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,692,893 km

• M1: 147,952 km (0.049 R)
• M2: 595,250 km (0.075 R)
• M3: 1,885,681 km (0.051 R)
• M4: 2,624,096 km (0.095 R)
• M5: 4,394,587 km (0.111 R)
• M6: 6,402,340 km (0.076 R)
• M7: 7,329,847 km (0.065 R)
• M8: 9,801,204 km (0.089 R)
• M9: 10,281,862 km (0.077 R)
• M10: 10,694,303 km (0.067 R)
• M11: 11,863,410 km (0.042 R)
• M12: 13,799,356 km (0.06 R)
• M13: 14,608,980 km (0.08 R)
• M14: 22,199,426 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.6

Radius: 10.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.17 AU - 5.11 AU

Year: 5814 Days

Day: 8.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,692,893 km

• M1: 135,536 km (0.113 R)
• M2: 576,401 km (0.096 R)
• M3: 1,088,923 km (0.118 R)
• M4: 1,547,141 km (0.104 R)
• M5: 1,949,559 km (0.106 R)
• M6: 2,390,275 km (0.106 R)
• M7: 2,755,294 km (0.114 R)
• M8: 3,557,437 km (0.047 R)
• M9: 3,946,093 km (0.104 R)
• M10: 4,484,047 km (0.109 R)
• M11: 5,043,991 km (0.079 R)
• M12: 5,650,012 km (0.101 R)
• M13: 6,120,797 km (0.082 R)
• M14: 9,930,755 km (0.113 R)
• M15: 11,896,322 km (0.096 R)
• M16: 12,970,734 km (0.12 R)
• M17: 15,088,292 km (0.091 R)
• M18: 17,001,200 km (0.078 R)
• M19: 18,554,325 km (0.119 R)
• M20: 19,201,186 km (0.071 R)
• M21: 19,596,573 km (0.086 R)
• M22: 19,997,346 km (0.078 R)
• M23: 21,655,489 km (0.098 R)
• M24: 25,480,257 km (0.053 R)
• M25: 28,521,881 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 18,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit