🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 13.4

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 9.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,467,880 km

• M1: 166,652 km (0.112 R)
• M2: 633,996 km (0.11 R)
• M3: 1,121,386 km (0.103 R)
• M4: 1,571,077 km (0.087 R)
• M5: 2,573,682 km (0.099 R)
• M6: 3,410,831 km (0.12 R)
• M7: 4,102,273 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.7

Radius: 14.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.8 AU - 0.9 AU

Year: 523 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,467,880 km

• M1: 183,706 km (0.117 R)
• M2: 830,567 km (0.059 R)
• M3: 1,801,009 km (0.106 R)
• M4: 2,291,540 km (0.105 R)
• M5: 3,142,453 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.49 AU - 2.41 AU

Year: 1816 Days

Day: 11.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,467,880 km

• M1: 99,483 km (0.073 R)
• M2: 361,728 km (0.069 R)
• M3: 696,976 km (0.104 R)
• M4: 1,561,203 km (0.092 R)
• M5: 2,783,268 km (0.091 R)
• M6: 3,384,353 km (0.071 R)
• M7: 4,229,730 km (0.114 R)
• M8: 4,701,861 km (0.105 R)
• M9: 5,514,477 km (0.107 R)
• M10: 6,057,667 km (0.113 R)
• M11: 7,041,572 km (0.078 R)
• M12: 7,803,474 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.8

Radius: 9.8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.08 AU - 2.62 AU

Year: 2402 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,467,880 km

• M1: 122,371 km (0.096 R)
• M2: 431,739 km (0.105 R)
• M3: 744,399 km (0.096 R)
• M4: 1,110,465 km (0.069 R)
• M5: 1,748,500 km (0.053 R)
• M6: 2,222,875 km (0.041 R)
• M7: 2,629,931 km (0.063 R)
• M8: 4,387,556 km (0.072 R)
• M9: 5,996,631 km (0.053 R)
• M10: 6,426,276 km (0.057 R)
• M11: 7,317,430 km (0.092 R)
• M12: 7,683,795 km (0.082 R)
• M13: 8,720,957 km (0.099 R)
• M14: 11,637,069 km (0.103 R)
• M15: 14,376,206 km (0.078 R)
• M16: 15,443,587 km (0.117 R)
• M17: 18,286,694 km (0.051 R)
• M18: 19,307,101 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 9.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.31 AU - 5.07 AU

Year: 6773 Days

Day: 13.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 33,467,880 km

• M1: 124,465 km (0.048 R)
• M2: 483,351 km (0.096 R)
• M3: 893,249 km (0.054 R)
• M4: 3,005,272 km (0.075 R)
• M5: 3,440,901 km (0.077 R)
• M6: 4,032,859 km (0.054 R)
• M7: 4,589,363 km (0.074 R)
• M8: 6,284,457 km (0.107 R)
• M9: 6,799,373 km (0.12 R)
• M10: 8,061,380 km (0.101 R)
• M11: 8,630,900 km (0.107 R)
• M12: 12,279,741 km (0.047 R)
• M13: 13,136,937 km (0.071 R)
• M14: 24,331,645 km (0.07 R)
• M15: 26,088,672 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.5

Radius: 11.8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.99 AU - 6.02 AU

Year: 7456 Days

Day: 10.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,467,880 km

• M1: 147,055 km (0.098 R)
• M2: 657,034 km (0.092 R)
• M3: 1,097,300 km (0.117 R)
• M4: 1,751,193 km (0.094 R)
• M5: 2,207,915 km (0.065 R)
• M6: 2,706,973 km (0.084 R)
• M7: 3,073,937 km (0.109 R)
• M8: 4,459,961 km (0.028 R)
• M9: 7,982,842 km (0.064 R)
• M10: 8,912,443 km (0.111 R)
• M11: 12,660,917 km (0.085 R)
• M12: 13,420,126 km (0.088 R)
• M13: 14,209,554 km (0.068 R)
• M14: 15,149,477 km (0.047 R)
• M15: 17,813,666 km (0.08 R)
• M16: 19,327,147 km (0.076 R)
• M17: 23,162,986 km (0.081 R)
• M18: 23,645,290 km (0.047 R)
• M19: 24,463,889 km (0.092 R)
• M20: 25,813,113 km (0.109 R)
• M21: 30,253,177 km (0.102 R)
• M22: 31,315,621 km (0.036 R)
• M23: 34,132,400 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.2

Radius: 9.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.77 AU - 5.81 AU

Year: 8114 Days

Day: 14.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,467,880 km

• M1: 121,174 km (0.065 R)
• M2: 466,147 km (0.051 R)
• M3: 769,681 km (0.078 R)
• M4: 1,319,004 km (0.11 R)
• M5: 1,782,459 km (0.081 R)
• M6: 2,207,167 km (0.079 R)
• M7: 2,790,449 km (0.117 R)
• M8: 3,345,457 km (0.027 R)
• M9: 4,544,185 km (0.071 R)
• M10: 5,760,116 km (0.098 R)
• M11: 6,231,499 km (0.093 R)
• M12: 7,689,779 km (0.101 R)
• M13: 11,171,071 km (0.083 R)
• M14: 11,805,666 km (0.106 R)
• M15: 18,306,142 km (0.096 R)
• M16: 18,777,674 km (0.073 R)
• M17: 21,928,804 km (0.053 R)
• M18: 25,084,870 km (0.117 R)
• M19: 26,857,306 km (0.102 R)
• M20: 28,262,628 km (0.116 R)
• M21: 31,699,340 km (0.106 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: 397 - 16,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit