🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.7

Radius: 13.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 11.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,979,638 km

• M1: 170,392 km (0.116 R)
• M2: 625,469 km (0.102 R)
• M3: 1,212,491 km (0.088 R)
• M4: 1,800,710 km (0.083 R)
• M5: 2,232,898 km (0.077 R)
• M6: 2,966,675 km (0.077 R)
• M7: 3,621,465 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.8

Radius: 9.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.55 AU - 0.57 AU

Year: 284 Days

Day: 10.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,979,638 km

• M1: 123,269 km (0.061 R)
• M2: 556,654 km (0.089 R)
• M3: 983,905 km (0.119 R)
• M4: 1,457,981 km (0.074 R)
• M5: 1,991,746 km (0.064 R)
• M6: 2,512,496 km (0.102 R)
• M7: 2,842,659 km (0.081 R)
• M8: 3,151,728 km (0.086 R)
• M9: 3,781,385 km (0.101 R)
• M10: 4,156,726 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.2

Radius: 11.2

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.12 AU - 1.42 AU

Year: 971 Days

Day: 9.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,979,638 km

• M1: 139,276 km (0.069 R)
• M2: 550,819 km (0.064 R)
• M3: 1,003,951 km (0.096 R)
• M4: 1,419,983 km (0.092 R)
• M5: 2,025,106 km (0.049 R)
• M6: 2,744,223 km (0.086 R)
• M7: 3,232,062 km (0.111 R)
• M8: 3,626,252 km (0.087 R)
• M9: 3,999,050 km (0.067 R)
• M10: 4,777,408 km (0.099 R)
• M11: 5,291,127 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820

Radius: 9.3

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.44 AU - 1.52 AU

Year: 1221 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,979,638 km

• M1: 115,789 km (0.114 R)
• M2: 412,142 km (0.114 R)
• M3: 869,014 km (0.071 R)
• M4: 1,323,792 km (0.115 R)
• M5: 2,402,093 km (0.11 R)
• M6: 3,415,319 km (0.076 R)
• M7: 3,798,739 km (0.116 R)
• M8: 5,124,924 km (0.058 R)
• M9: 5,915,549 km (0.062 R)
• M10: 6,305,101 km (0.112 R)
• M11: 6,711,858 km (0.096 R)
• M12: 7,059,823 km (0.112 R)
• M13: 7,577,731 km (0.086 R)
• M14: 8,748,184 km (0.073 R)
• M15: 9,194,136 km (0.091 R)
• M16: 9,530,581 km (0.119 R)
• M17: 9,938,983 km (0.108 R)
• M18: 10,490,700 km (0.111 R)
• M19: 11,408,633 km (0.068 R)
• M20: 12,342,273 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 9.1

Gravity: 11.46 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.52 AU - 1.78 AU

Year: 1438 Days

Day: 6.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,979,638 km

• M1: 113,545 km (0.071 R)
• M2: 439,369 km (0.042 R)
• M3: 862,133 km (0.113 R)
• M4: 1,190,949 km (0.096 R)
• M5: 1,483,562 km (0.035 R)
• M6: 1,772,884 km (0.049 R)
• M7: 3,040,726 km (0.073 R)
• M8: 3,546,966 km (0.073 R)
• M9: 4,201,456 km (0.108 R)
• M10: 4,567,522 km (0.114 R)
• M11: 5,039,354 km (0.06 R)
• M12: 5,520,610 km (0.105 R)
• M13: 6,524,711 km (0.119 R)
• M14: 7,313,242 km (0.082 R)
• M15: 8,017,847 km (0.09 R)
• M16: 9,047,679 km (0.104 R)
• M17: 9,366,622 km (0.059 R)
• M18: 10,163,231 km (0.043 R)
• M19: 10,932,313 km (0.087 R)
• M20: 11,702,293 km (0.108 R)
• M21: 12,824,277 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.6

Radius: 10.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.57 AU - 2.81 AU

Year: 2992 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,979,638 km

• M1: 129,253 km (0.088 R)
• M2: 537,655 km (0.114 R)
• M3: 945,010 km (0.09 R)
• M4: 1,349,522 km (0.082 R)
• M5: 2,058,467 km (0.066 R)
• M6: 4,266,082 km (0.064 R)
• M7: 5,783,154 km (0.119 R)
• M8: 6,232,995 km (0.082 R)
• M9: 6,727,117 km (0.056 R)
• M10: 7,701,149 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 12.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.19 AU - 6.33 AU

Year: 8182 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,979,638 km

• M1: 152,440 km (0.087 R)
• M2: 623,823 km (0.109 R)
• M3: 1,994,439 km (0.107 R)
• M4: 4,208,039 km (0.057 R)
• M5: 4,837,397 km (0.034 R)
• M6: 5,560,254 km (0.096 R)
• M7: 6,742,077 km (0.116 R)
• M8: 8,373,142 km (0.11 R)
• M9: 9,782,354 km (0.103 R)
• M10: 12,455,220 km (0.092 R)
• M11: 20,013,054 km (0.107 R)
• M12: 20,773,908 km (0.09 R)
• M13: 23,422,239 km (0.083 R)
• M14: 29,477,512 km (0.119 R)
• M15: 30,662,328 km (0.039 R)
• M16: 33,021,486 km (0.058 R)
• M17: 34,083,930 km (0.091 R)
• M18: 34,732,287 km (0.115 R)
• M19: 35,720,232 km (0.051 R)
• M20: 36,389,233 km (0.027 R)
• M21: 37,180,307 km (0.074 R)
• M22: 39,622,193 km (0.105 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: 180 - 19,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit