🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.3

Radius: 14.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.85 AU - 0.87 AU

Year: 507 Days

Day: 14.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,567,102 km

• M1: 185,352 km (0.107 R)
• M2: 714,180 km (0.096 R)
• M3: 1,297,163 km (0.115 R)
• M4: 1,800,859 km (0.054 R)
• M5: 2,662,693 km (0.062 R)
• M6: 3,135,123 km (0.102 R)
• M7: 3,627,599 km (0.046 R)
• M8: 4,361,227 km (0.104 R)
• M9: 4,948,698 km (0.1 R)
• M10: 5,443,867 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 13.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1 AU - 1.18 AU

Year: 724 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,567,102 km

• M1: 162,912 km (0.119 R)
• M2: 728,093 km (0.08 R)
• M3: 1,243,607 km (0.09 R)
• M4: 1,653,206 km (0.097 R)
• M5: 2,095,417 km (0.102 R)
• M6: 3,707,933 km (0.07 R)
• M7: 4,210,582 km (0.092 R)
• M8: 4,758,559 km (0.056 R)
• M9: 5,635,950 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.3

Radius: 13.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.34 AU - 1.9 AU

Year: 1311 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,567,102 km

• M1: 173,534 km (0.111 R)
• M2: 740,360 km (0.077 R)
• M3: 1,250,937 km (0.086 R)
• M4: 1,706,164 km (0.065 R)
• M5: 2,390,424 km (0.077 R)
• M6: 3,008,862 km (0.095 R)
• M7: 3,897,473 km (0.03 R)
• M8: 4,459,064 km (0.058 R)
• M9: 5,155,143 km (0.06 R)
• M10: 5,594,063 km (0.111 R)
• M11: 6,428,669 km (0.064 R)
• M12: 7,088,845 km (0.117 R)
• M13: 7,902,358 km (0.063 R)
• M14: 8,431,186 km (0.105 R)
• M15: 9,314,412 km (0.102 R)
• M16: 9,873,310 km (0.078 R)
• M17: 10,586,892 km (0.11 R)
• M18: 11,092,981 km (0.1 R)
• M19: 11,721,592 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 11.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.77 AU - 2.91 AU

Year: 2276 Days

Day: 6.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,567,102 km

• M1: 149,598 km (0.109 R)
• M2: 568,771 km (0.042 R)
• M3: 1,424,321 km (0.114 R)
• M4: 1,852,171 km (0.08 R)
• M5: 2,352,726 km (0.077 R)
• M6: 3,198,402 km (0.115 R)
• M7: 3,792,904 km (0.09 R)
• M8: 4,216,117 km (0.106 R)
• M9: 4,606,717 km (0.118 R)
• M10: 5,021,701 km (0.104 R)
• M11: 5,952,350 km (0.064 R)
• M12: 7,022,573 km (0.114 R)
• M13: 8,029,516 km (0.085 R)
• M14: 8,697,919 km (0.087 R)
• M15: 9,541,801 km (0.106 R)
• M16: 10,775,834 km (0.112 R)
• M17: 11,274,743 km (0.108 R)
• M18: 12,195,518 km (0.089 R)
• M19: 12,822,333 km (0.111 R)
• M20: 14,095,411 km (0.079 R)
• M21: 15,115,967 km (0.09 R)
• M22: 16,334,891 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.6

Radius: 13.3

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.5 AU - 4.52 AU

Year: 5106 Days

Day: 9.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,567,102 km

• M1: 165,605 km (0.112 R)
• M2: 761,004 km (0.118 R)
• M3: 1,222,514 km (0.107 R)
• M4: 1,974,841 km (0.112 R)
• M5: 3,733,215 km (0.117 R)
• M6: 4,930,596 km (0.092 R)
• M7: 9,155,240 km (0.11 R)
• M8: 9,973,391 km (0.087 R)
• M9: 10,468,859 km (0.096 R)
• M10: 13,413,693 km (0.102 R)
• M11: 15,639,709 km (0.115 R)
• M12: 17,969,846 km (0.097 R)
• M13: 25,245,538 km (0.117 R)
• M14: 25,914,390 km (0.119 R)
• M15: 28,528,015 km (0.092 R)
• M16: 31,601,054 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.8

Radius: 10.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.88 AU - 5.62 AU

Year: 6582 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,567,102 km

• M1: 125,812 km (0.116 R)
• M2: 482,603 km (0.099 R)
• M3: 885,470 km (0.11 R)
• M4: 1,335,610 km (0.086 R)
• M5: 1,909,467 km (0.108 R)
• M6: 2,403,888 km (0.035 R)
• M7: 4,874,347 km (0.088 R)
• M8: 6,353,122 km (0.115 R)
• M9: 7,970,425 km (0.079 R)
• M10: 9,025,539 km (0.104 R)
• M11: 9,488,544 km (0.117 R)
• M12: 12,370,547 km (0.076 R)
• M13: 13,039,100 km (0.046 R)
• M14: 14,710,557 km (0.073 R)
• M15: 16,864,617 km (0.104 R)
• M16: 18,168,362 km (0.11 R)
• M17: 18,907,226 km (0.06 R)
• M18: 19,858,818 km (0.092 R)
• M19: 23,477,890 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.8

Radius: 6.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.22 AU - 11.78 AU

Year: 21633 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,567,102 km

• M1: 79,586 km (0.093 R)
• M2: 880,234 km (0.035 R)
• M3: 2,381,598 km (0.119 R)
• M4: 5,571,773 km (0.089 R)
• M5: 10,607,536 km (0.087 R)
• M6: 19,573,086 km (0.062 R)
• M7: 24,927,792 km (0.113 R)
• M8: 31,182,779 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 14,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit