🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 8

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.48 AU - 0.56 AU

Year: 254 Days

Day: 11.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,352,045 km

• M1: 99,931 km (0.114 R)
• M2: 377,435 km (0.075 R)
• M3: 632,350 km (0.088 R)
• M4: 1,004,550 km (0.039 R)
• M5: 1,391,859 km (0.062 R)
• M6: 1,680,882 km (0.073 R)
• M7: 1,957,189 km (0.071 R)
• M8: 2,521,921 km (0.092 R)
• M9: 2,847,595 km (0.11 R)
• M10: 3,117,919 km (0.084 R)
• M11: 3,493,858 km (0.099 R)
• M12: 3,768,969 km (0.092 R)
• M13: 4,158,372 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.7

Radius: 9.6

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.99 AU - 1.33 AU

Year: 847 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,352,045 km

• M1: 119,678 km (0.116 R)
• M2: 511,176 km (0.094 R)
• M3: 872,305 km (0.047 R)
• M4: 1,295,966 km (0.046 R)
• M5: 1,778,719 km (0.118 R)
• M6: 2,933,165 km (0.076 R)
• M7: 4,030,466 km (0.103 R)
• M8: 4,761,251 km (0.088 R)
• M9: 5,237,272 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.2

Radius: 13.2

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.33 AU - 3.83 AU

Year: 4594 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,352,045 km

• M1: 164,109 km (0.107 R)
• M2: 590,912 km (0.108 R)
• M3: 1,060,051 km (0.103 R)
• M4: 1,641,986 km (0.12 R)
• M5: 2,264,762 km (0.085 R)
• M6: 2,876,617 km (0.077 R)
• M7: 3,559,233 km (0.071 R)
• M8: 4,935,832 km (0.112 R)
• M9: 7,177,257 km (0.092 R)
• M10: 7,741,391 km (0.046 R)
• M11: 8,234,016 km (0.117 R)
• M12: 10,339,158 km (0.081 R)
• M13: 11,224,627 km (0.05 R)
• M14: 11,899,912 km (0.094 R)
• M15: 15,587,350 km (0.083 R)
• M16: 16,109,596 km (0.099 R)
• M17: 17,189,095 km (0.056 R)
• M18: 18,663,681 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.7

Radius: 12.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.85 AU - 4.91 AU

Year: 6217 Days

Day: 11.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,352,045 km

• M1: 157,975 km (0.052 R)
• M2: 558,598 km (0.092 R)
• M3: 1,113,906 km (0.109 R)
• M4: 1,618,051 km (0.118 R)
• M5: 2,258,329 km (0.114 R)
• M6: 2,745,271 km (0.052 R)
• M7: 3,640,913 km (0.052 R)
• M8: 5,072,116 km (0.103 R)
• M9: 6,748,809 km (0.082 R)
• M10: 7,442,045 km (0.119 R)
• M11: 7,880,517 km (0.118 R)
• M12: 8,297,446 km (0.111 R)
• M13: 10,204,071 km (0.114 R)
• M14: 11,986,978 km (0.046 R)
• M15: 12,438,016 km (0.06 R)
• M16: 13,004,692 km (0.053 R)
• M17: 13,642,428 km (0.106 R)
• M18: 19,383,247 km (0.076 R)
• M19: 20,145,747 km (0.102 R)
• M20: 20,784,231 km (0.087 R)
• M21: 24,102,760 km (0.071 R)
• M22: 24,984,640 km (0.116 R)
• M23: 25,639,280 km (0.087 R)
• M24: 31,770,549 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 13.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.53 AU - 5.73 AU

Year: 7881 Days

Day: 11 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,352,045 km

• M1: 179,517 km (0.092 R)
• M2: 785,987 km (0.114 R)
• M3: 1,231,938 km (0.073 R)
• M4: 5,299,056 km (0.087 R)
• M5: 6,488,957 km (0.102 R)
• M6: 6,991,456 km (0.105 R)
• M7: 7,775,649 km (0.118 R)
• M8: 13,767,941 km (0.066 R)
• M9: 14,375,159 km (0.087 R)
• M10: 16,002,185 km (0.1 R)
• M11: 20,602,320 km (0.058 R)
• M12: 23,670,572 km (0.098 R)
• M13: 27,897,161 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.5

Radius: 6.6

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.95 AU - 7.43 AU

Year: 11736 Days

Day: 20 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,352,045 km

• M1: 84,523 km (0.116 R)
• M2: 309,219 km (0.065 R)
• M3: 535,560 km (0.067 R)
• M4: 1,053,767 km (0.056 R)
• M5: 2,333,278 km (0.09 R)
• M6: 8,824,928 km (0.094 R)
• M7: 9,665,518 km (0.065 R)
• M8: 15,720,492 km (0.105 R)
• M9: 16,220,299 km (0.092 R)
• M10: 17,478,267 km (0.064 R)
• M11: 20,103,411 km (0.068 R)
• M12: 22,170,105 km (0.112 R)
• M13: 23,903,496 km (0.081 R)
• M14: 29,859,436 km (0.1 R)
• M15: 31,405,081 km (0.086 R)
• M16: 32,083,507 km (0.101 R)
• M17: 34,654,945 km (0.062 R)
• M18: 36,360,959 km (0.109 R)
• M19: 43,188,008 km (0.07 R)
• M20: 52,544,307 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.3

Radius: 4.7

Gravity: 44.51 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.08 AU - 11.68 AU

Year: 19485 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,352,045 km

• M1: 77,641 km (0.117 R)
• M2: 1,031,477 km (0.107 R)
• M3: 1,830,629 km (0.082 R)
• M4: 2,135,659 km (0.119 R)
• M5: 2,668,078 km (0.092 R)
• M6: 3,797,841 km (0.106 R)
• M7: 4,123,815 km (0.063 R)
• M8: 6,170,763 km (0.093 R)
• M9: 8,156,674 km (0.052 R)
• M10: 9,035,412 km (0.038 R)
• M11: 11,639,313 km (0.051 R)
• M12: 13,038,950 km (0.107 R)
• M13: 15,342,758 km (0.04 R)
• M14: 15,999,941 km (0.119 R)
• M15: 16,505,133 km (0.107 R)
• M16: 17,725,104 km (0.059 R)
• M17: 18,910,517 km (0.101 R)
• M18: 19,857,771 km (0.106 R)
• M19: 25,638,532 km (0.053 R)
• M20: 26,797,616 km (0.074 R)
• M21: 31,783,713 km (0.101 R)
• M22: 34,773,127 km (0.088 R)
• M23: 39,447,911 km (0.082 R)
• M24: 44,359,658 km (0.083 R)
• M25: 48,256,384 km (0.111 R)
• M26: 50,198,314 km (0.093 R)
• M27: 52,929,223 km (0.113 R)
• M28: 61,919,007 km (0.056 R)
• M29: 70,968,931 km (0.051 R)
• M30: 81,353,716 km (0.178 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 19,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit