🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.7

Radius: 9.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.75 AU - 1.01 AU

Year: 560 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,247,281 km

• M1: 123,119 km (0.113 R)
• M2: 474,225 km (0.044 R)
• M3: 838,197 km (0.119 R)
• M4: 1,518,119 km (0.079 R)
• M5: 2,513,394 km (0.113 R)
• M6: 2,921,347 km (0.093 R)
• M7: 3,568,956 km (0.09 R)
• M8: 4,073,400 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.1

Radius: 8.4

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.2 AU - 1.44 AU

Year: 1029 Days

Day: 11.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,247,281 km

• M1: 104,569 km (0.043 R)
• M2: 432,936 km (0.103 R)
• M3: 785,838 km (0.098 R)
• M4: 1,130,661 km (0.089 R)
• M5: 1,511,238 km (0.101 R)
• M6: 1,862,942 km (0.1 R)
• M7: 2,247,708 km (0.08 R)
• M8: 2,556,029 km (0.111 R)
• M9: 3,481,591 km (0.118 R)
• M10: 3,989,626 km (0.095 R)
• M11: 4,597,741 km (0.069 R)
• M12: 5,042,645 km (0.104 R)
• M13: 8,443,453 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 8.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.98 AU - 2.2 AU

Year: 2049 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,247,281 km

• M1: 107,561 km (0.084 R)
• M2: 512,074 km (0.072 R)
• M3: 779,255 km (0.036 R)
• M4: 1,335,460 km (0.098 R)
• M5: 1,915,302 km (0.058 R)
• M6: 2,338,065 km (0.117 R)
• M7: 2,717,445 km (0.028 R)
• M8: 3,123,454 km (0.053 R)
• M9: 3,461,695 km (0.094 R)
• M10: 8,949,393 km (0.082 R)
• M11: 9,604,183 km (0.115 R)
• M12: 10,678,595 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 12.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.9 AU - 2.96 AU

Year: 2569 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,247,281 km

• M1: 154,235 km (0.106 R)
• M2: 668,104 km (0.057 R)
• M3: 1,066,633 km (0.115 R)
• M4: 1,950,457 km (0.08 R)
• M5: 2,510,851 km (0.086 R)
• M6: 5,541,255 km (0.086 R)
• M7: 7,540,630 km (0.04 R)
• M8: 8,449,138 km (0.027 R)
• M9: 8,962,708 km (0.073 R)
• M10: 9,911,757 km (0.115 R)
• M11: 10,483,520 km (0.085 R)
• M12: 11,850,545 km (0.071 R)
• M13: 12,454,023 km (0.04 R)
• M14: 13,419,228 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.4

Radius: 11.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.21 AU - 2.8 AU

Year: 2681 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,247,281 km

• M1: 143,165 km (0.096 R)
• M2: 679,773 km (0.108 R)
• M3: 1,059,003 km (0.079 R)
• M4: 1,413,849 km (0.089 R)
• M5: 1,803,702 km (0.067 R)
• M6: 2,293,186 km (0.101 R)
• M7: 3,617,277 km (0.11 R)
• M8: 5,010,332 km (0.072 R)
• M9: 5,471,093 km (0.117 R)
• M10: 5,880,842 km (0.085 R)
• M11: 6,366,437 km (0.089 R)
• M12: 7,144,794 km (0.109 R)
• M13: 7,985,534 km (0.055 R)
• M14: 8,684,156 km (0.065 R)
• M15: 9,066,080 km (0.096 R)
• M16: 9,531,928 km (0.103 R)
• M17: 10,279,767 km (0.062 R)
• M18: 11,310,048 km (0.077 R)
• M19: 11,934,918 km (0.095 R)
• M20: 13,482,807 km (0.119 R)
• M21: 13,948,805 km (0.116 R)
• M22: 15,461,688 km (0.1 R)
• M23: 16,024,026 km (0.101 R)
• M24: 16,866,113 km (0.107 R)
• M25: 17,243,847 km (0.085 R)
• M26: 18,753,589 km (0.089 R)
• M27: 19,158,999 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.8

Radius: 14.4

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.2 AU - 3.1 AU

Year: 2926 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,247,281 km

• M1: 179,069 km (0.103 R)
• M2: 735,573 km (0.104 R)
• M3: 1,212,940 km (0.116 R)
• M4: 2,009,997 km (0.06 R)
• M5: 2,765,466 km (0.058 R)
• M6: 3,650,338 km (0.092 R)
• M7: 4,980,412 km (0.108 R)
• M8: 5,806,492 km (0.1 R)
• M9: 7,915,523 km (0.12 R)
• M10: 9,211,489 km (0.08 R)
• M11: 13,196,627 km (0.066 R)
• M12: 13,680,875 km (0.074 R)
• M13: 15,591,539 km (0.119 R)
• M14: 17,463,457 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 13.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.13 AU - 3.33 AU

Year: 3059 Days

Day: 10.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,247,281 km

• M1: 174,581 km (0.112 R)
• M2: 626,217 km (0.083 R)
• M3: 1,090,120 km (0.087 R)
• M4: 1,815,669 km (0.052 R)
• M5: 2,499,631 km (0.092 R)
• M6: 3,025,168 km (0.1 R)
• M7: 3,757,300 km (0.035 R)
• M8: 5,015,568 km (0.114 R)
• M9: 6,287,599 km (0.056 R)
• M10: 10,750,701 km (0.045 R)
• M11: 12,067,013 km (0.059 R)
• M12: 12,719,858 km (0.106 R)
• M13: 13,350,413 km (0.089 R)
• M14: 15,722,886 km (0.081 R)
• M15: 16,502,141 km (0.104 R)
• M16: 17,198,370 km (0.071 R)
• M17: 19,287,205 km (0.028 R)
• M18: 20,362,514 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 10.1

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.25 AU - 3.39 AU

Year: 3212 Days

Day: 15 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,247,281 km

• M1: 125,662 km (0.117 R)
• M2: 518,207 km (0.104 R)
• M3: 858,991 km (0.051 R)
• M4: 1,194,689 km (0.042 R)
• M5: 1,531,134 km (0.028 R)
• M6: 2,024,508 km (0.107 R)
• M7: 2,414,958 km (0.119 R)
• M8: 2,977,895 km (0.117 R)
• M9: 3,825,218 km (0.045 R)
• M10: 4,426,751 km (0.073 R)
• M11: 5,434,143 km (0.06 R)
• M12: 6,042,408 km (0.068 R)
• M13: 6,428,819 km (0.086 R)
• M14: 6,941,790 km (0.087 R)
• M15: 8,235,064 km (0.091 R)
• M16: 9,682,423 km (0.089 R)
• M17: 10,761,921 km (0.097 R)
• M18: 12,862,425 km (0.036 R)
• M19: 13,546,985 km (0.061 R)
• M20: 15,411,872 km (0.11 R)
• M21: 15,746,672 km (0.043 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.3

Radius: 14.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.49 AU - 4.01 AU

Year: 3974 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,247,281 km

• M1: 175,329 km (0.078 R)
• M2: 639,531 km (0.117 R)
• M3: 1,928,317 km (0.116 R)
• M4: 2,583,555 km (0.1 R)
• M5: 3,325,112 km (0.105 R)
• M6: 4,466,244 km (0.092 R)
• M7: 5,154,694 km (0.115 R)
• M8: 6,212,351 km (0.056 R)
• M9: 6,744,770 km (0.1 R)
• M10: 7,273,598 km (0.115 R)
• M11: 7,973,567 km (0.089 R)
• M12: 9,068,025 km (0.089 R)
• M13: 12,073,595 km (0.082 R)
• M14: 12,955,924 km (0.108 R)
• M15: 14,198,484 km (0.072 R)
• M16: 17,283,491 km (0.059 R)
• M17: 18,468,007 km (0.099 R)
• M18: 20,515,852 km (0.055 R)
• M19: 21,915,041 km (0.054 R)
• M20: 24,438,159 km (0.08 R)
• M21: 25,215,768 km (0.11 R)
• M22: 26,494,232 km (0.079 R)
• M23: 28,237,196 km (0.043 R)
• M24: 28,834,840 km (0.054 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 12.8

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.23 AU - 5.53 AU

Year: 8464 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,247,281 km

• M1: 176,376 km (0.119 R)
• M2: 630,405 km (0.108 R)
• M3: 1,322,595 km (0.105 R)
• M4: 2,210,608 km (0.04 R)
• M5: 2,667,928 km (0.075 R)
• M6: 3,207,678 km (0.087 R)
• M7: 3,607,403 km (0.051 R)
• M8: 4,656,234 km (0.079 R)
• M9: 6,629,130 km (0.12 R)
• M10: 7,216,003 km (0.084 R)
• M11: 8,607,113 km (0.09 R)
• M12: 9,266,541 km (0.077 R)
• M13: 11,041,071 km (0.096 R)
• M14: 11,961,547 km (0.094 R)
• M15: 13,955,237 km (0.085 R)
• M16: 14,540,315 km (0.1 R)
• M17: 15,476,648 km (0.119 R)
• M18: 16,103,762 km (0.097 R)
• M19: 18,464,566 km (0.038 R)
• M20: 19,235,294 km (0.12 R)
• M21: 20,363,561 km (0.057 R)
• M22: 21,255,913 km (0.09 R)
• M23: 22,606,632 km (0.084 R)
• M24: 23,192,158 km (0.087 R)
• M25: 28,079,072 km (0.088 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 15,477 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit