🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.9

Radius: 9.7

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.75 AU - 0.77 AU

Year: 457 Days

Day: 10.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,116,592 km

• M1: 120,576 km (0.099 R)
• M2: 513,420 km (0.11 R)
• M3: 866,920 km (0.113 R)
• M4: 1,487,751 km (0.051 R)
• M5: 1,840,503 km (0.112 R)
• M6: 2,202,978 km (0.103 R)
• M7: 3,498,795 km (0.074 R)
• M8: 4,805,233 km (0.12 R)
• M9: 5,311,323 km (0.04 R)
• M10: 5,943,374 km (0.081 R)
• M11: 6,488,359 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 9.9

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.74 AU - 1.22 AU

Year: 670 Days

Day: 12.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,116,592 km

• M1: 123,717 km (0.06 R)
• M2: 446,400 km (0.112 R)
• M3: 966,253 km (0.074 R)
• M4: 1,477,728 km (0.096 R)
• M5: 1,788,592 km (0.102 R)
• M6: 2,143,737 km (0.082 R)
• M7: 3,424,894 km (0.05 R)
• M8: 3,735,908 km (0.093 R)
• M9: 4,399,823 km (0.12 R)
• M10: 4,785,037 km (0.118 R)
• M11: 5,140,482 km (0.108 R)
• M12: 5,549,931 km (0.081 R)
• M13: 5,866,480 km (0.05 R)
• M14: 6,294,181 km (0.105 R)
• M15: 7,388,340 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 9.7

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.11 AU - 2.59 AU

Year: 2487 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,116,592 km

• M1: 120,725 km (0.051 R)
• M2: 463,155 km (0.111 R)
• M3: 820,993 km (0.045 R)
• M4: 1,321,548 km (0.105 R)
• M5: 1,637,797 km (0.045 R)
• M6: 2,413,313 km (0.051 R)
• M7: 2,829,195 km (0.113 R)
• M8: 3,598,128 km (0.114 R)
• M9: 3,922,755 km (0.104 R)
• M10: 4,878,237 km (0.06 R)
• M11: 5,325,385 km (0.034 R)
• M12: 5,929,312 km (0.047 R)
• M13: 6,634,217 km (0.11 R)
• M14: 10,825,949 km (0.118 R)
• M15: 12,130,443 km (0.073 R)
• M16: 12,997,213 km (0.12 R)
• M17: 14,421,534 km (0.05 R)
• M18: 15,146,934 km (0.117 R)
• M19: 17,415,436 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 12.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.4 AU - 2.54 AU

Year: 2680 Days

Day: 8.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,116,592 km

• M1: 152,291 km (0.058 R)
• M2: 1,022,801 km (0.07 R)
• M3: 1,425,369 km (0.026 R)
• M4: 2,042,609 km (0.042 R)
• M5: 3,051,497 km (0.028 R)
• M6: 3,471,568 km (0.105 R)
• M7: 4,662,367 km (0.086 R)
• M8: 5,246,098 km (0.107 R)
• M9: 7,712,668 km (0.114 R)
• M10: 8,337,239 km (0.11 R)
• M11: 9,096,897 km (0.104 R)
• M12: 9,581,594 km (0.082 R)
• M13: 9,974,438 km (0.069 R)
• M14: 11,415,365 km (0.077 R)
• M15: 13,384,222 km (0.119 R)
• M16: 14,240,969 km (0.119 R)
• M17: 14,706,518 km (0.039 R)
• M18: 16,214,315 km (0.117 R)
• M19: 17,822,941 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.3

Radius: 9.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.4 AU - 2.9 AU

Year: 2978 Days

Day: 9.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,116,592 km

• M1: 122,072 km (0.089 R)
• M2: 577,897 km (0.118 R)
• M3: 1,540,409 km (0.112 R)
• M4: 2,469,262 km (0.082 R)
• M5: 3,562,673 km (0.116 R)
• M6: 3,894,332 km (0.118 R)
• M7: 5,036,960 km (0.115 R)
• M8: 7,398,811 km (0.082 R)
• M9: 8,358,183 km (0.06 R)
• M10: 10,001,066 km (0.094 R)
• M11: 12,552,458 km (0.033 R)
• M12: 12,914,485 km (0.095 R)
• M13: 14,875,115 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 14.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.91 AU - 3.47 AU

Year: 3933 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 172.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,116,592 km

• M1: 186,549 km (0.046 R)
• M2: 1,156,691 km (0.114 R)
• M3: 1,728,005 km (0.108 R)
• M4: 2,676,156 km (0.096 R)
• M5: 3,530,659 km (0.071 R)
• M6: 4,848,317 km (0.096 R)
• M7: 5,879,496 km (0.086 R)
• M8: 6,653,964 km (0.115 R)
• M9: 7,752,760 km (0.076 R)
• M10: 9,724,909 km (0.106 R)
• M11: 10,451,206 km (0.08 R)
• M12: 12,208,682 km (0.077 R)
• M13: 13,471,139 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 12.2

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.83 AU - 5.57 AU

Year: 7033 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,116,592 km

• M1: 151,842 km (0.113 R)
• M2: 1,385,875 km (0.106 R)
• M3: 1,830,629 km (0.103 R)
• M4: 2,652,520 km (0.052 R)
• M5: 3,943,101 km (0.064 R)
• M6: 4,965,004 km (0.077 R)
• M7: 6,836,323 km (0.108 R)
• M8: 8,968,093 km (0.058 R)
• M9: 10,070,779 km (0.066 R)
• M10: 11,311,245 km (0.084 R)
• M11: 11,763,629 km (0.064 R)
• M12: 13,138,732 km (0.066 R)
• M13: 13,865,329 km (0.098 R)
• M14: 14,325,642 km (0.106 R)
• M15: 15,095,323 km (0.033 R)
• M16: 18,939,838 km (0.111 R)
• M17: 28,499,142 km (0.1 R)
• M18: 29,527,029 km (0.084 R)
• M19: 32,556,985 km (0.044 R)
• M20: 33,268,771 km (0.086 R)
• M21: 33,680,165 km (0.047 R)
• M22: 36,437,404 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.8

Radius: 6.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.21 AU - 8.27 AU

Year: 14864 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,116,592 km

• M1: 77,043 km (0.107 R)
• M2: 459,714 km (0.097 R)
• M3: 865,124 km (0.112 R)
• M4: 2,338,364 km (0.115 R)
• M5: 2,671,818 km (0.1 R)
• M6: 3,304,617 km (0.113 R)
• M7: 4,513,218 km (0.057 R)
• M8: 5,087,674 km (0.106 R)
• M9: 6,684,332 km (0.064 R)
• M10: 7,283,621 km (0.078 R)
• M11: 7,917,916 km (0.1 R)
• M12: 8,834,053 km (0.061 R)
• M13: 11,210,864 km (0.069 R)
• M14: 11,852,938 km (0.063 R)
• M15: 13,156,385 km (0.114 R)
• M16: 13,482,957 km (0.118 R)
• M17: 17,570,719 km (0.095 R)
• M18: 24,317,433 km (0.054 R)
• M19: 24,562,474 km (0.097 R)
• M20: 29,077,787 km (0.114 R)
• M21: 30,005,294 km (0.113 R)
• M22: 32,706,882 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 14,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit