🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 13.5

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.64 AU - 0.7 AU

Year: 372 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,713,799 km

• M1: 167,849 km (0.051 R)
• M2: 590,463 km (0.077 R)
• M3: 1,466,358 km (0.109 R)
• M4: 1,953,898 km (0.082 R)
• M5: 2,639,954 km (0.078 R)
• M6: 3,824,170 km (0.027 R)
• M7: 4,684,358 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.7

Radius: 13.5

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.65 AU - 1.01 AU

Year: 513 Days

Day: 15 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 56,713,799 km

• M1: 167,998 km (0.112 R)
• M2: 1,128,118 km (0.111 R)
• M3: 1,758,074 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913

Radius: 8.2

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.99 AU - 1.51 AU

Year: 948 Days

Day: 7.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,713,799 km

• M1: 102,026 km (0.113 R)
• M2: 461,360 km (0.108 R)
• M3: 726,746 km (0.045 R)
• M4: 1,085,482 km (0.087 R)
• M5: 1,387,969 km (0.102 R)
• M6: 1,747,004 km (0.108 R)
• M7: 2,103,496 km (0.094 R)
• M8: 3,099,369 km (0.08 R)
• M9: 3,399,013 km (0.102 R)
• M10: 3,686,540 km (0.096 R)
• M11: 4,451,135 km (0.044 R)
• M12: 5,004,198 km (0.05 R)
• M13: 5,643,729 km (0.103 R)
• M14: 5,983,316 km (0.113 R)
• M15: 6,541,316 km (0.117 R)
• M16: 7,280,928 km (0.113 R)
• M17: 7,709,526 km (0.074 R)
• M18: 8,289,068 km (0.098 R)
• M19: 8,897,333 km (0.075 R)
• M20: 9,270,580 km (0.099 R)
• M21: 9,774,276 km (0.105 R)
• M22: 10,901,346 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.2

Radius: 8.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.72 AU - 3.62 AU

Year: 3828 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,713,799 km

• M1: 109,506 km (0.084 R)
• M2: 433,385 km (0.09 R)
• M3: 1,261,559 km (0.099 R)
• M4: 1,672,205 km (0.057 R)
• M5: 1,985,463 km (0.096 R)
• M6: 2,338,065 km (0.119 R)
• M7: 2,979,690 km (0.111 R)
• M8: 3,406,792 km (0.106 R)
• M9: 3,713,917 km (0.055 R)
• M10: 4,231,077 km (0.078 R)
• M11: 4,748,536 km (0.114 R)
• M12: 5,232,335 km (0.067 R)
• M13: 5,563,994 km (0.096 R)
• M14: 6,241,822 km (0.119 R)
• M15: 6,852,630 km (0.087 R)
• M16: 7,281,676 km (0.09 R)
• M17: 8,329,609 km (0.111 R)
• M18: 8,783,041 km (0.1 R)
• M19: 10,926,628 km (0.077 R)
• M20: 13,256,316 km (0.112 R)
• M21: 13,586,927 km (0.079 R)
• M22: 14,562,006 km (0.086 R)
• M23: 17,203,007 km (0.11 R)
• M24: 17,881,433 km (0.039 R)
• M25: 22,066,883 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 12.7

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.27 AU - 4.09 AU

Year: 4788 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,713,799 km

• M1: 157,975 km (0.117 R)
• M2: 688,449 km (0.085 R)
• M3: 1,668,315 km (0.09 R)
• M4: 2,972,210 km (0.063 R)
• M5: 3,561,925 km (0.116 R)
• M6: 4,228,683 km (0.114 R)
• M7: 6,840,213 km (0.093 R)
• M8: 8,023,233 km (0.081 R)
• M9: 9,894,104 km (0.067 R)
• M10: 11,309,001 km (0.068 R)
• M11: 12,959,215 km (0.091 R)
• M12: 14,089,726 km (0.069 R)
• M13: 15,638,513 km (0.04 R)
• M14: 16,546,422 km (0.056 R)
• M15: 25,945,208 km (0.11 R)
• M16: 27,390,024 km (0.097 R)
• M17: 30,161,923 km (0.096 R)
• M18: 32,239,089 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.4

Radius: 13.8

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.08 AU - 6.1 AU

Year: 7789 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,713,799 km

• M1: 171,589 km (0.116 R)
• M2: 630,405 km (0.09 R)
• M3: 1,395,748 km (0.078 R)
• M4: 1,858,754 km (0.118 R)
• M5: 2,847,446 km (0.119 R)
• M6: 3,494,756 km (0.065 R)
• M7: 4,999,561 km (0.069 R)
• M8: 6,043,904 km (0.088 R)
• M9: 6,723,527 km (0.114 R)
• M10: 7,995,707 km (0.117 R)
• M11: 8,773,466 km (0.094 R)
• M12: 9,691,249 km (0.102 R)
• M13: 10,720,333 km (0.113 R)
• M14: 18,623,589 km (0.066 R)
• M15: 19,263,119 km (0.096 R)
• M16: 20,888,201 km (0.096 R)
• M17: 21,501,253 km (0.09 R)
• M18: 22,843,744 km (0.105 R)
• M19: 32,300,125 km (0.1 R)
• M20: 35,339,804 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.8

Radius: 6.1

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.98 AU - 9.06 AU

Year: 16867 Days

Day: 17.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 56,713,799 km

• M1: 78,240 km (0.094 R)
• M2: 299,196 km (0.11 R)
• M3: 542,741 km (0.105 R)
• M4: 774,019 km (0.082 R)
• M5: 1,779,616 km (0.098 R)
• M6: 2,056,223 km (0.112 R)
• M7: 2,302,012 km (0.115 R)
• M8: 3,257,942 km (0.112 R)
• M9: 3,755,355 km (0.077 R)
• M10: 5,993,788 km (0.102 R)
• M11: 7,677,662 km (0.114 R)
• M12: 9,447,704 km (0.045 R)
• M13: 10,564,751 km (0.05 R)
• M14: 10,787,203 km (0.045 R)
• M15: 11,473,109 km (0.097 R)
• M16: 12,006,426 km (0.095 R)
• M17: 13,639,735 km (0.039 R)
• M18: 14,036,619 km (0.056 R)
• M19: 15,701,942 km (0.108 R)
• M20: 16,807,171 km (0.076 R)
• M21: 19,502,626 km (0.113 R)
• M22: 19,753,501 km (0.072 R)
• M23: 21,570,218 km (0.036 R)
• M24: 23,969,917 km (0.073 R)
• M25: 26,644,578 km (0.102 R)
• M26: 27,578,517 km (0.105 R)
• M27: 30,623,731 km (0.118 R)
• M28: 31,076,265 km (0.073 R)
• M29: 33,168,092 km (0.096 R)
• M30: 33,645,459 km (0.066 R)
• M31: 35,600,404 km (0.108 R)
• M32: 36,732,710 km (0.053 R)
• M33: 37,115,531 km (0.108 R)
• M34: 37,888,952 km (0.073 R)
• M35: 38,279,702 km (0.098 R)
• M36: 38,672,994 km (0.116 R)
• M37: 39,467,957 km (0.08 R)
• M38: 40,408,928 km (0.063 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: 201 - 12,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit